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ThinkPad Computer
Hardware Maintenance Manual
January 2006
This manual supports:
(MT 1866, 1867, 1869)
ThinkPad X41 Tablet
ThinkPad X4 Dock (MT 2506)
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Contents
© Lenovo 2006. Portions © IBM Corp. 2006.
iii
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iv MT1866/1867/1869
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About this manual
This manual contains service and reference information for
ThinkPad X41 Tablet (MT 1866/1867/1869) product. Use
this manual along with the advanced diagnostic tests to
troubleshoot problems.
The manual is divided into sections as follows:
v
The common sections provide general information,
guidelines, and safety information required in servicing
computers.
v
The product-specific section includes service, reference,
and product-specific parts information.
Important
This manual is intended for trained service
personnel who are familiar with ThinkPad products.
Use this manual along with the advanced diagnostic
tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to
review the safety information under “Safety notices:
© Lenovo 2006. Portions © IBM Corp. 2006.
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Introduction
Important service information
Important
BIOS and device driver fixes are
customer-installable. The BIOS and device drivers
are posted on the customer support site
Advise customers to contact the Customer Support
Center at 800-426-7378 if they need assistance in
obtaining or installing any diskette fixes.
Customers in Canada should call the Customer
Support Center at 800-565-3344 for assistance or
download information.
Strategy for replacing FRUs
Before replacing parts
Make sure that all diskette fixes are installed before
replacing any FRUs listed in this manual.
Use the following strategy to prevent unnecessary expense
for replacing and servicing FRUs:
v
If you are instructed to replace a FRU but the
replacement does not correct the problem, reinstall
the original FRU before you continue.
v
Some computers have both a processor board and a
system board. If you are instructed to replace either the
processor board or the system board, and replacing one
of them does not correct the problem, reinstall that
board, and then replace the other one.
v
If an adapter or a device consists of more than one
FRU, any of the FRUs may be the cause of the error.
Before replacing the adapter or device, remove the
FRUs, one by one, to see if the symptoms change.
Replace only the FRU that changed the symptoms.
Attention: The setup configuration on the computer you
are servicing may have been customized. Running
Automatic Configuration may alter the settings. Note the
current configuration settings (using the View Configuration
option); then, when service has been completed, verify that
those settings remain in effect.
© Lenovo 2006. Portions © IBM Corp. 2006.
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Important service information
Strategy for replacing a hard disk drive
Always try to run a low-level format before replacing a hard
disk drive.
Attention: The drive startup sequence in the computer
you are servicing may have been changed. Be extremely
careful during write operations such as copying, saving, or
formatting. If you select an incorrect drive, data or
programs can be overwritten.
Important notice for replacing a system
board
Some components mounted on a system board are very
sensitive. Improper handling of a system board can cause
damage to those components, and may cause a system
malfunction.
Attention: When handling a system board:
v
Do not drop a system board or apply any excessive
force to it.
v
v
Avoid rough handling of any kind.
Avoid bending a system board and hard pushing to
prevent cracking at each BGA (Ball Grid Array) chipset.
How to use error messages
Use the error codes displayed on the screen to diagnose
failures. If more than one error code is displayed, begin the
diagnosis with the first error code. Whatever causes the
first error code may also cause false error codes. If no
error code is displayed, see whether the error symptom is
listed in the Symptom-to-FRU Index for the computer you
are servicing.
Strategy for replacing FRUs for CTO,
CMV, and GAV
Product definition
Dynamic Configure To Order (CTO)
This provides the ability for a customer to configure an
IBM® solution from an eSite, and have this configuration
sent to fulfillment, where it is built and shipped directly to
the customer. The machine label, PC Entitlement
Warehouse (PEW), eSupport, and the HMM will load these
products as the 4-digit MT and 3-digit model, where model
= “CTO” (Example: 1829-CTO).
Custom Model Variant (CMV)
This is a unique configuration that has been negotiated
between IBM and the customer. A unique 4-digit MT and
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Important service information
3-digit model is provided to the customer to place orders
(Example: 1829-W15). A CMV is a special bid offering.
Therefore, it is NOT generally announced.
v
The MTM portion of the machine label is the 4-digit MT
and 3-digit model, where model = “CTO” (Example:
1829-CTO). The PRODUCT ID portion of the machine
label is the 4-digit MT and 3-digit CMV model (Example:
1829-W15).
v
v
The PEW record is the 4-digit MT and 3-digit model,
where model = “CTO” (Example: 1829-CTO).
eSupport will show both the CTO and CMV machine
type models (Example: 1829-CTO and 1829-W15 will be
found on the eSupport site.)
v
The HMM will have the 4-digit MT and 3-digit CTO
model only (Example: 1829-CTO). Again, CMVs are
custom models and are not found in the HMM.
General Announce Variant (GAV)
This is a standard model (fixed configuration). GAVs are
announced and offered to all customers. The MTM portion
of the machine label is a 4-digit MT and 3-digit model,
where model = a “fixed part number”, not “CTO” (Example:
1829-F1U). Also, PEW, eSupport, and the HMM will list
these products under the same fixed model number.
FRU identification for CTO, CMV, and
GAV products
There are three information resources to identify which
FRUs are used to support CTO, CMV, and GAV products.
These sources are PEW, eSupport, and the HMM.
Using PEW
v
v
v
PEW is the primary source for identifying FRU part
numbers and FRU descriptions for the key commodities
for CTO, CMV and GAV products at a MT - serial
number level. An example of key commodities are hard
disk drives, system boards, microprocessors, Liquid
Crystal Displays (LCDs), and memory.
Remember, All CTO and CMV products are loaded in
PEW under the 4-digit MT and 3-digit model, where
model = “CTO” (Example: 1829-CTO). GAVs are loaded
in PEW under the 4-digit MT and 3-digit model, where
model = a “fixed part number”, not “CTO” (Example:
1829-F1U).
PEW can be accessed at the following Web site:
Click on MACHINE LOOKUP, followed by WARRANTY
INFORMATION. Input the MT and the Serial number
and the list of key commodities will be returned in the
PEW record under COMPONENT INFORMATION.
Introduction
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Important service information
v
Business Partners using Eclaim will access PEW when
performing Entitlement Lookup. Business Partners will
enter Loc ID, MT and Serial, and the key commodities
will be returned in the Eclaim record under SYSTEM
DETAILS.
v
Authorized IBM Business Partners can access Eclaim at
the following Web site: https://wca.eclaim.com
Using eSupport
For Key Commodities (Examples - hard disk drive,
system board, microprocessor, LCD, and memory)
v
eSupport can be used to view the list of key
commodities built in a particular machine serial (this is
the same record found in PEW).
v
v
eSupport can be accessed at the following Web site:
To view the key commodities, click on PARTS
INFORMATION, then PARTS LOOKUP. Type in the
model type and serial number. The key commodities will
be returned in the eSupport record under PARTS
SHIPPED WITH YOUR SYSTEM.
For the Remaining FRUs (the complete list of FRUs at
the MT Model level)
v
eSupport can be used to view the complete list of FRUs
for a machine type and model.
v
To view the complete list of FRUs, type in the machine
type and model (Example: 1829-CTO) under QUICK
PATH. Under “View by Document Type” select PARTS
INFORMATION. Under “Filter by Category” select
SERVICE PARTS. Under “Parts Information by Date”
select SYSTEM SERVICE PARTS. The list of service
parts by description, with applicable machine type model
and FRU will be displayed.
Using the HMM
Use the HMM as a back-up to PEW and eSupport to view
the complete list of FRUs at the MT Model level.
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Important service information
Important information about replacing
RoHS compliant FRUs
RoHS, The Restriction of Hazardous Substances in
Electrical and Electronic Equipment Directive
(2002/95/EC) is a European Union legal requirement
affecting the global electronics industry. RoHS
requirements must be implemented on Lenovo
products placed on the market after June 2006.
Products on the market before June 2006 are not
required to have RoHS compliant parts. So, if the
original FRU parts are non compliant, replacement
parts can also be non compliant. In all cases if the
original FRU parts are RoHS compliant the
replacement part must also be RoHS compliant.
Lenovo plans to transition to RoHS compliance well before
the implementation date and expects its suppliers to be
ready to support Lenovo's requirements and schedule.
Products sold in 2005, will contain some RoHS compliant
FRUs. The following statement pertains to these products
and any product Lenovo produces containing RoHS
compliant FRUs.
RoHS compliant FRUs have unique FRU part numbers.
Before or after the RoHS implementation date, failed RoHS
compliant parts must always be replaced using RoHS
compliant FRUs, so only the FRUs identified as compliant
in the system HMM or direct substitutions for those FRUs
may be used.
Introduction
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Important service information
Products marketed before
June 2006
Products marketed after June
2006
Current or
original part
Replacement Current or
Replacement
FRU
FRU
original part
Non-RoHS
Can be
Non-RoHS
Must be RoHS Must be RoHS
Non-RoHS
Non-RoHS
Can be RoHS
Can sub to
RoHS
RoHS
Must be RoHS
Note: A direct substitution is a part with a different FRU
part number that is automatically shipped by the
distribution center at the time of the order.
Diskette compatibility matrix
The compatibility of each of the drives with the diskettes
for it is as follows:
Diskette
drive
Diskette
capacity
Compatibility
3.5-inch
1.0 MB
2.0 MB
4.0 MB
Read and write
Read and write
Not compatible
Safety notices: multilingual translations
In this manual, safety notices appear in English with a
page number reference to the appropriate multilingual,
translated safety notice found in this section.
The following safety notices are provided in English,
French, German, Hebrew, Italian, and Spanish.
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Safety notices
Safety notice 1
Before the computer is powered on after FRU
replacement, make sure all screws, springs, and other
small parts are in place and are not left loose inside
the computer. Verify this by shaking the computer and
listening for rattling sounds. Metallic parts or metal
flakes can cause electrical shorts.
Avant de remettre l’ordinateur sous tension après
remplacement d’une unité en clientèle, vérifiez que
tous les ressorts, vis et autres pièces sont bien en
place et bien fixées. Pour ce faire, secouez l’unité et
assurez-vous qu’aucun bruit suspect ne se produit. Des
pièces métalliques ou des copeaux de métal pourraient
causer un court-circuit.
Bevor nach einem FRU-Austausch der Computer
wieder angeschlossen wird, muß sichergestellt werden,
daß keine Schrauben, Federn oder andere Kleinteile
fehlen oder im Gehäuse vergessen wurden. Der
Computer muß geschüttelt und auf Klappergeräusche
geprüft werden. Metallteile oder-splitter können
Kurzschlüsse erzeugen.
Prima di accendere l’elaboratore dopo che é stata
effettuata la sostituzione di una FRU, accertarsi che
tutte le viti, le molle e tutte le altri parti di piccole
dimensioni siano nella corretta posizione e non siano
sparse all’interno dell’elaboratore. Verificare ciò
scuotendo l’elaboratore e prestando attenzione ad
eventuali rumori; eventuali parti o pezzetti metallici
possono provocare cortocircuiti pericolosi.
Antes de encender el sistema despues de sustituir una
FRU, compruebe que todos los tornillos, muelles y
demás piezas pequeñas se encuentran en su sitio y no
se encuentran sueltas dentro del sistema.
Compruébelo agitando el sistema y escuchando los
posibles ruidos que provocarían. Las piezas metálicas
pueden causar cortocircuitos eléctricos.
Introduction
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Safety notices
Safety notice 2
DANGER
Some standby batteries contain a small amount of
nickel and cadmium. Do not disassemble a standby
battery, recharge it, throw it into fire or water, or
short-circuit it. Dispose of the battery as required
by local ordinances or regulations. Use only the
battery in the appropriate parts listing. Use of an
incorrect battery can result in ignition or explosion
of the battery.
Certaines batteries de secours contiennent du
nickel et du cadmium. Ne les démontez pas, ne les
rechargez pas, ne les exposez ni au feu ni à l’eau.
Ne les mettez pas en court-circuit. Pour les mettre
au rebut, conformez-vous à la réglementation en
vigueur. Lorsque vous remplacez la pile de
sauvegarde ou celle de l’horloge temps réel, veillez
à n’utiliser que les modèles cités dans la liste de
pièces détachées adéquate. Une batterie ou une
pile inappropriée risque de prendre feu ou
d’exploser.
Die Bereitschaftsbatterie, die sich unter dem
Diskettenlaufwerk befindet, kann geringe Mengen
Nickel und Cadmium enthalten. Sie darf nur durch
die Verkaufsstelle oder den IBM Kundendienst
ausgetauscht werden. Sie darf nicht zerlegt,
wiederaufgeladen, kurzgeschlossen, oder Feuer
oder Wasser ausgesetzt werden. Die Batterie kann
schwere Verbrennungen oder Verätzungen
verursachen. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Bereitschafts-oder Systembatterie nur
Batterien des Typs verwenden, der in der
Ersatzteilliste aufgeführt ist. Der Einsatz falscher
Batterien kann zu Entzündung oder Explosion
führen.
(continued)
10 MT1866/1867/1869
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Safety notices
(continuation of safety notice 2)
Alcune batterie di riserva contengono una piccola
quantità di nichel e cadmio. Non smontarle,
ricaricarle, gettarle nel fuoco o nell’acqua né
cortocircuitarle. Smaltirle secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la
batteria dell’RTC (real time clock) o la batteria di
supporto, utilizzare soltanto i tipi inseriti
nell’appropriato Catalogo parti. L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.
Algunas baterías de reserva contienen una
pequeña cantidad de níquel y cadmio. No las
desmonte, ni recargue, ni las eche al fuego o al
agua ni las cortocircuite. Deséchelas tal como
dispone la normativa local. Utilice sólo baterías que
se encuentren en la lista de piezas. La utilización
de una batería no apropiada puede provocar la
ignición o explosión de la misma.
Introduction 11
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Safety notices
Safety notice 3
DANGER
The battery pack contains small amounts of nickel.
Do not disassemble it, throw it into fire or water, or
short-circuit it. Dispose of the battery pack as
required by local ordinances or regulations. Use
only the battery in the appropriate parts listing
when replacing the battery pack. Use of an
incorrect battery can result in ignition or explosion
of the battery.
La batterie contient du nickel. Ne la démontez pas,
ne l’exposez ni au feu ni à l’eau. Ne la mettez pas
en court-circuit. Pour la mettre au rebut,
conformez-vous à la réglementation en vigueur.
Lorsque vous remplacez la batterie, veillez à
n’utiliser que les modèles cités dans la liste de
pièces détachées adéquate. En effet, une batterie
inappropriée risque de prendre feu ou d’exploser.
Akkus enthalten geringe Mengen von Nickel. Sie
dürfen nicht zerlegt, wiederaufgeladen,
kurzgeschlossen, oder Feuer oder Wasser
ausgesetzt werden. Bei der Entsorgung die
örtlichen Bestimmungen für Sondermüll beachten.
Beim Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist.
Der Einsatz falscher Batterien kann zu Entzündung
oder Explosion führen.
(continued)
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Safety notices
(continuation of safety notice 3)
La batteria contiene piccole quantità di nichel. Non
smontarla, gettarla nel fuoco o nell’acqua né
cortocircuitarla. Smaltirla secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la
batteria, utilizzare soltanto i tipi inseriti
nell’appropriato Catalogo parti. L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.
Las baterías contienen pequeñas cantidades de
níquel. No las desmonte, ni recargue, ni las eche al
fuego o al agua ni las cortocircuite. Deséchelas tal
como dispone la normativa local. Utilice sólo
baterías que se encuentren en la lista de piezas al
sustituir la batería. La utilización de una batería no
apropiada puede provocar la ignición o explosión
de la misma.
Introduction 13
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Safety notices
Safety notice 4
DANGER
The lithium battery can cause a fire, an explosion,
or a severe burn. Do not recharge it, remove its
polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as
required by local ordinances or regulations. Use
only the battery in the appropriate parts listing. Use
of an incorrect battery can result in ignition or
explosion of the battery.
La pile de sauvegarde contient du lithium. Elle
présente des risques d’incendie, d’explosion ou de
brûlures graves. Ne la rechargez pas, ne retirez pas
son connecteur polarisé et ne la démontez pas. Ne
l’exposez pas à une temperature supérieure à
100°C, ne la faites pas brûler et n’en exposez pas
le contenu à l’eau. Mettez la pile au rebut
conformément à la réglementation en vigueur. Une
pile inappropriée risque de prendre feu ou
d’exploser.
Die Systembatterie ist eine Lithiumbatterie. Sie
kann sich entzünden, explodieren oder schwere
Verbrennungen hervorrufen. Batterien dieses Typs
dürfen nicht aufgeladen, zerlegt, über 100 C erhitzt
oder verbrannt werden. Auch darf ihr Inhalt nicht
mit Wasser in Verbindung gebracht oder der zur
richtigen Polung angebrachte Verbindungsstecker
entfernt werden. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist.
Der Einsatz falscher Batterien kann zu Entzündung
oder Explosion führen.
(continued)
14 MT1866/1867/1869
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Safety notices
(continuation of safety notice 4)
La batteria di supporto e una batteria al litio e puo
incendiarsi, esplodere o procurare gravi ustioni.
Evitare di ricaricarla, smontarne il connettore
polarizzato, smontarla, riscaldarla ad una
temperatura superiore ai 100 gradi centigradi,
incendiarla o gettarla in acqua. Smaltirla secondo
la normativa in vigore (DPR 915/82, successive
disposizioni e disposizioni locali). L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.
La batería de repuesto es una batería de litio y
puede provocar incendios, explosiones o
quemaduras graves. No la recargue, ni quite el
conector polarizado, ni la desmonte, ni caliente por
encima de los 100°C (212°F), ni la incinere ni
exponga el contenido de sus celdas al agua.
Deséchela tal como dispone la normativa local.
Introduction 15
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Safety notices
Safety notice 5
If the LCD breaks and the fluid from inside the LCD
gets into your eyes or on your hands, immediately
wash the affected areas with water for at least 15
minutes. Seek medical care if any symptoms from the
fluid are present after washing.
Si le panneau d’affichage à cristaux liquides se brise et
que vous recevez dans les yeux ou sur les mains une
partie du fluide, rincez-les abondamment pendant au
moins quinze minutes. Consultez un médecin si des
symptômes persistent après le lavage.
Die Leuchtstoffröhre im LCD-Bildschirm enthält
Quecksilber. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Der
LCD-Bildschirm besteht aus Glas und kann zerbrechen,
wenn er unsachgemäß behandelt wird oder der
Computer auf den Boden fällt. Wenn der Bildschirm
beschädigt ist und die darin befindliche Flüssigkeit in
Kontakt mit Haut und Augen gerät, sollten die
betroffenen Stellen mindestens 15 Minuten mit Wasser
abgespült und bei Beschwerden anschließend ein Arzt
aufgesucht werden.
Nel caso che caso l’LCD si dovesse rompere ed il
liquido in esso contenuto entrasse in contatto con gli
occhi o le mani, lavare immediatamente le parti
interessate con acqua corrente per almeno 15 minuti;
poi consultare un medico se i sintomi dovessero
permanere.
Si la LCD se rompe y el fluido de su interior entra en
contacto con sus ojos o sus manos, lave
inmediatamente las áreas afectadas con agua durante
15 minutos como mínimo. Obtenga atención medica si
se presenta algún síntoma del fluido despues de
lavarse.
16 MT1866/1867/1869
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Safety notices
Safety notice 6
DANGER
To avoid shock, do not remove the plastic cover
that protects the lower part of the inverter card.
Afin d’éviter tout risque de choc électrique, ne
retirez pas le cache en plastique protégeant la
partie inférieure de la carte d’alimentation.
Aus Sicherheitsgründen die Kunststoffabdeckung,
die den unteren Teil der Spannungswandlerplatine
umgibt, nicht entfernen.
Per evitare scosse elettriche, non rimuovere la
copertura in plastica che avvolge la parte inferiore
della scheda invertitore.
Para evitar descargas, no quite la cubierta de
plástico que rodea la parte baja de la tarjeta
invertida.
Introduction 17
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Safety notices
Safety notice 7
DANGER
Though the main batteries have low voltage, a
shorted or grounded battery can produce enough
current to burn personnel or combustible materials.
Bien que le voltage des batteries principales soit
peu élevé, le court-circuit ou la mise à la masse
d’une batterie peut produire suffisamment de
courant pour brûler des matériaux combustibles ou
causer des brûlures corporelles graves.
Obwohl Hauptbatterien eine niedrige Spannung
haben, können sie doch bei Kurzschluß oder
Erdung genug Strom abgeben, um brennbare
Materialien zu entzünden oder Verletzungen bei
Personen hervorzurufen.
Sebbene le batterie di alimentazione siano a basso
voltaggio, una batteria in corto circuito o a massa
può fornire corrente sufficiente da bruciare
materiali combustibili o provocare ustioni ai tecnici
di manutenzione.
Aunque las baterías principales tienen un voltaje
bajo, una batería cortocircuitada o con contacto a
tierra puede producir la corriente suficiente como
para quemar material combustible o provocar
quemaduras en el personal.
18 MT1866/1867/1869
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Safety notices
Safety notice 8
DANGER
Before removing any FRU, power off the computer,
unplug all power cords from electrical outlets,
remove the battery pack, and then disconnect any
interconnecting cables.
Avant de retirer une unité remplaçable en clientèle,
mettez le système hors tension, débranchez tous
les cordons d’alimentation des socles de prise de
courant, retirez la batterie et déconnectez tous les
cordons d’interface.
Die Stromzufuhr muß abgeschaltet, alle Stromkabel
aus der Steckdose gezogen, der Akku entfernt und
alle Verbindungskabel abgenommen sein, bevor
eine FRU entfernt wird.
Prima di rimuovere qualsiasi FRU, spegnere il
sistema, scollegare dalle prese elettriche tutti i cavi
di alimentazione, rimuovere la batteria e poi
scollegare i cavi di interconnessione.
Antes de quitar una FRU, apague el sistema,
desenchufe todos los cables de las tomas de
corriente eléctrica, quite la batería y, a
continuación, desconecte cualquier cable de
conexión entre dispositivos.
Introduction 19
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Safety information
Safety information
The following section presents safety information with
which you need to be familiar before you service a
ThinkPad computer.
General safety
Follow these rules to ensure general safety:
v
v
Observe good housekeeping in the area of the
machines during and after maintenance.
When lifting any heavy object:
1. Make sure that you can stand safely without
slipping.
2. Distribute the weight of the object equally between
your feet.
3. Use a slow lifting force. Never move suddenly or
twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg
muscles; this action removes the strain from the
muscles in your back. Do not attempt to lift any
object that weighs more than 16 kg (35 lb) or that
you think is too heavy for you.
v
v
Do not perform any action that causes hazards to the
customer, or that makes the equipment unsafe.
Before you start the machine, make sure that other
service representatives and the customer’s personnel
are not in a hazardous position.
v
Place removed covers and other parts in a safe place,
away from all personnel, while you are servicing the
machine.
v
v
Keep your toolcase away from walk areas so that other
people will not trip over it.
Do not wear loose clothing that can be trapped in the
moving parts of a machine. Make sure that your sleeves
are fastened or rolled up above your elbows. If your hair
is long, fasten it.
v
v
Insert the ends of your necktie or scarf inside clothing or
fasten it with a nonconductive clip, about 8 centimeters
(3 inches) from the end.
Do not wear jewelry, chains, metal-frame eyeglasses, or
metal fasteners for your clothing.
Attention: Metal objects are good electrical
conductors.
v
Wear safety glasses when you are hammering, drilling,
soldering, cutting wire, attaching springs, using solvents,
or working in any other conditions that might be
hazardous to your eyes.
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Safety information
v
After service, reinstall all safety shields, guards, labels,
and ground wires. Replace any safety device that is
worn or defective.
v
v
Reinstall all covers correctly before returning the
machine to the customer.
Fan louvers on the machine help to prevent overheating
of internal components. Do not obstruct fan louvers or
cover them with labels or stickers.
WARNING
Handling the cord on this product or cords
associated with accessories sold with this product
will expose you to lead, a chemical known to the
State of California to cause cancer, and birth defects
or other reproductive harm. Wash hands after
handling.
Electrical safety
Observe the following rules when working on electrical
equipment.
Important
Use only approved tools and test equipment. Some
hand tools have handles covered with a soft
material that does not insulate you when working
with live electrical currents.
Many customers have, near their equipment, rubber
floor mats that contain small conductive fibers to
decrease electrostatic discharges. Do not use this
type of mat to protect yourself from electrical shock.
v
Find the room emergency power-off (EPO) switch,
disconnecting switch, or electrical outlet. If an electrical
accident occurs, you can then operate the switch or
unplug the power cord quickly.
v
v
Do not work alone under hazardous conditions or near
equipment that has hazardous voltages.
Disconnect all power before:
–
–
–
Performing a mechanical inspection
Working near power supplies
Removing or installing main units
v
v
Before you start to work on the machine, unplug the
power cord. If you cannot unplug it, ask the customer to
power-off the wall box that supplies power to the
machine, and to lock the wall box in the off position.
If you need to work on a machine that has exposed
electrical circuits, observe the following precautions:
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Safety information
–
Ensure that another person, familiar with the
power-off controls, is near you.
Attention: Another person must be there to switch
off the power, if necessary.
–
Use only one hand when working with powered-on
electrical equipment; keep the other hand in your
pocket or behind your back.
Attention: An electrical shock can occur only when
there is a complete circuit. By observing the above
rule, you may prevent a current from passing through
your body.
–
–
When using testers, set the controls correctly and
use the approved probe leads and accessories for
that tester.
Stand on suitable rubber mats (obtained locally, if
necessary) to insulate you from grounds such as
metal floor strips and machine frames.
Observe the special safety precautions when you work
with very high voltages; Instructions for these
precautions are in the safety sections of maintenance
information. Use extreme care when measuring high
voltages.
v
Regularly inspect and maintain your electrical hand tools
for safe operational condition.
v
v
Do not use worn or broken tools and testers.
Never assume that power has been disconnected from
a circuit. First, check that it has been powered off.
v
v
v
Always look carefully for possible hazards in your work
area. Examples of these hazards are moist floors,
nongrounded power extension cables, power surges,
and missing safety grounds.
Do not touch live electrical circuits with the reflective
surface of a plastic dental mirror. The surface is
conductive; such touching can cause personal injury and
machine damage.
Do not service the following parts with the power on
when they are removed from their normal operating
places in a machine:
–
–
–
–
Power supply units
Pumps
Blowers and fans
Motor generators
and similar units. (This practice ensures correct
grounding of the units.)
v
If an electrical accident occurs:
–
–
–
Use caution; do not become a victim yourself.
Switch off power.
Send another person to get medical aid.
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Safety information
Safety inspection guide
The purpose of this inspection guide is to assist you in
identifying potentially unsafe conditions. As each machine
was designed and built, required safety items were
installed to protect users and service personnel from injury.
This guide addresses only those items. You should use
good judgment to identify potential safety hazards due to
attachment of non-ThinkPad features or options not
covered by this inspection guide.
If any unsafe conditions are present, you must determine
how serious the apparent hazard could be and whether
you can continue without first correcting the problem.
Consider these conditions and the safety hazards they
present:
v
Electrical hazards, especially primary power (primary
voltage on the frame can cause serious or fatal
electrical shock)
v
v
Explosive hazards, such as a damaged CRT face or a
bulging capacitor
Mechanical hazards, such as loose or missing hardware
To determine whether there are any potentially unsafe
conditions, use the following checklist at the beginning of
every service task. Begin the checks with the power off,
and the power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or
sharp edges).
2. Power off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition.
Use a meter to measure third-wire ground
continuity for 0.1 ohm or less between the external
ground pin and the frame ground.
b. The power cord should be the type specified in the
parts list.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-ThinkPad alterations. Use
good judgment as to the safety of any non-ThinkPad
alterations.
6. Check inside the unit for any obvious unsafe
conditions, such as metal filings, contamination, water
or other liquids, or signs of fire or smoke damage.
7. Check for worn, frayed, or pinched cables.
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Safety information
8. Check that the power-supply cover fasteners (screws
or rivets) have not been removed or tampered with.
Handling devices that are sensitive to
electrostatic discharge
Any computer part containing transistors or integrated
circuits (ICs) should be considered sensitive to electrostatic
discharge (ESD.) ESD damage can occur when there is a
difference in charge between objects. Protect against ESD
damage by equalizing the charge so that the machine, the
part, the work mat, and the person handling the part are all
at the same charge.
Notes
1. Use product-specific ESD procedures when they
exceed the requirements noted here.
2. Make sure that the ESD protective devices you
use have been certified (ISO 9000) as fully
effective.
When handling ESD-sensitive parts:
v
Keep the parts in protective packages until they are
inserted into the product.
v
v
Avoid contact with other people.
Wear a grounded wrist strap against your skin to
eliminate static on your body.
v
v
v
Prevent the part from touching your clothing. Most
clothing is insulative and retains a charge even when
you are wearing a wrist strap.
Use the black side of a grounded work mat to provide a
static-free work surface. The mat is especially useful
when handling ESD-sensitive devices.
Select a grounding system, such as those listed below,
to provide protection that meets the specific service
requirement.
Note
The use of a grounding system to guard against
ESD damage is desirable but not necessary.
–
–
Attach the ESD ground clip to any frame ground,
ground braid, or green-wire ground.
When working on a double-insulated or
battery-operated system, use an ESD common
ground or reference point. You can use coax or
connector-outside shells on these systems.
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Safety information
–
Use the round ground prong of the ac plug on
ac-operated computers.
Grounding requirements
Electrical grounding of the computer is required for
operator safety and correct system function. Proper
grounding of the electrical outlet can be verified by a
certified electrician.
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Laser compliance statement
Laser compliance statement
Some models of ThinkPad computer are equipped from
the factory with an optical storage device such as a
CD-ROM drive or a DVD-ROM drive. Such devices are
also sold separately as options. If one of these drives is
installed, it is certified in the U.S. to conform to the
requirements of the Department of Health and Human
Services 21 Code of Federal Regulations (DHHS 21 CFR)
Subchapter J for Class 1 laser products. Elsewhere, the
drive is certified to conform to the requirements of the
International Electrotechnical Commission (IEC) 825 and
CENELEC EN 60 825 for Class 1 laser products.
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Laser compliance statement
If a CD-ROM drive, a DVD-ROM drive, or another laser
device is installed, note the following:
CAUTION:
Use of controls or adjustments or performance of
procedures other than those specified herein might
result in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de
procedimentos diferentes daqueles aqui
especificados pode resultar em perigosa exposição
à radiação.
Pour éviter tout risque d’exposition au rayon laser,
respectez les consignes de réglage et d’utilisation
des commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als
hier festgesetzt verwendet, kann gefährliche
Laserstrahlung auftreten.
L’utilizzo di controlli, regolazioni o l’esecuzione di
procedure diverse da quelle specificate possono
provocare l’esposizione a.
El uso de controles o ajustes o la ejecución de
procedimientos distintos de los aquí especificados
puede provocar la exposición a radiaciones
peligrosas.
Opening the CD-ROM drive, the DVD-ROM drive, or any
other optical storage device could result in exposure to
hazardous laser radiation. There are no serviceable parts
inside those drives. Do not open.
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Laser compliance statement
A CD-ROM drive, a DVD-ROM drive, or any other storage
device installed may contain an embedded Class 3A or
Class 3B laser diode. Note the following:
DANGER
Emits visible and invisible laser radiation when
open. Do not stare into the beam, do not view
directly with optical instruments, and avoid direct
exposure to the beam.
Radiação por raio laser ao abrir. Não olhe fixo no
feixe de luz, não olhe diretamente por meio de
instrumentos óticos e evite exposição direta com o
feixe de luz.
Rayonnement laser si carter ouvert. Évitez de fixer
le faisceau, de le regarder directement avec des
instruments optiques, ou de vous exposer au
rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht direkt
oder über optische Instrumente in den Laserstrahl
sehen und den Strahlungsbereich meiden.
Kinyitáskor lézersugár ! Ne nézzen bele se szabad
szemmel, se optikai eszközökkel. Kerülje a
sugárnyalábbal való érintkezést !.
Aprendo l’unità vengono emesse radiazioni laser.
Non fissare il fascio, non guardarlo direttamente
con strumenti ottici e evitare l’esposizione diretta al
fascio.
Radiación láser al abrir. No mire fijamente ni
examine con instrumental óptico el haz de luz.
Evite la exposición directa al haz.
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General descriptions
This chapter includes descriptions for any ThinkPad model
that has the PC-Doctor® for DOS diagnostics program.
Some descriptions might not apply to your particular
computer.
Read this first
Before you go to the checkout guide, be sure to read this
section.
Important notes
v
v
v
v
Only certified trained personnel should
service the computer.
Read the entire FRU removal and replacement
page before replacing any FRU.
Use new nylon-coated screws when you
replace FRUs.
Be extremely careful during such write
operations as copying, saving, or formatting.
Drives in the computer that you are servicing
sequence might have been altered. If you select
an incorrect drive, data or programs might be
overwritten.
v
v
Replace FRUs only for the correct model.
When you replace a FRU, make sure the model
of the machine and the FRU part number are
correct by referring to the FRU parts list.
A FRU should not be replaced because of a
single, unreproducible failure. Single failures
can occur for a variety of reasons that have
nothing to do with a hardware defect, such as
cosmic radiation, electrostatic discharge, or
software errors. Consider replacing a FRU only
when a problem recurs. If you suspect that a
FRU is defective, clear the error log and run the
test again. If the error does not recur, do not
replace the FRU.
v
Be careful not to replace a nondefective FRU.
What to do first
When you do return a FRU, you must include the following
information in the parts exchange form or parts return form
that you attach to it:
__ 1. Name and phone number of servicer
__ 2. Date of service
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Read this first
__ 3. Date on which the machine failed
__ 4. Date of purchase
__ 5. Failure symptoms, error codes appearing on the
display, and beep symptoms
__ 6. Procedure index and page number in which the
failing FRU was detected
__ 7. Failing FRU name and part number
__ 8. Machine type, model number, and serial number
__ 9. Customer’s name and address
Note for warranty:
During the warranty period, the customer may be
responsible for repair costs if the computer damage was
caused by misuse, accident, modification, unsuitable
physical or operating environment, or improper
maintenance by the customer. The following list provides
some common items that are not covered under warranty
and some symptoms that might indicate that the system
was subjected to stress beyond normal use.
Before checking problems with the computer, determine
whether the damage is covered under the warranty by
referring to the following:
The following are not covered under warranty:
v
LCD panel cracked from the application of excessive
force or from being dropped
v
v
Scratched (cosmetic) parts
Distortion, deformation, or discoloration of the cosmetic
parts
v
Cracked or broken plastic parts, broken latches, broken
pins, or broken connectors caused by excessive force
Damage caused by liquid spilled into the system
Damage caused by the improper insertion of a PC Card
or the installation of an incompatible card
Damage caused by foreign material in the diskette drive
Diskette drive damage caused by pressure on the
diskette drive cover or by the insertion of a diskette with
multiple labels
v
v
v
v
v
v
v
Damaged or bent diskette eject button
Fuses blown by attachment of a nonsupported device
Forgotten computer password (making the computer
unusable)
v
Sticky keys caused by spilling a liquid onto the keyboard
The following symptoms might indicate damage
caused by nonwarranted activities:
v
Missing parts might be a symptom of unauthorized
service or modification.
v
If the spindle of a hard disk drive becomes noisy, it may
have been subjected to excessive force, or dropped.
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Related service information
Related service information
This section provides information about the following:
v
v
v
v
Service Web site
When the latest maintenance diskette and the system
program service diskette become available, they will be
posted on http://www.lenovo.com/think/spm
Restoring the pre-installed system
When the hard disk drive is replaced because of a failure,
no Product Recovery program is on the new hard disk. In
this case, you must use the recovery CD for the computer.
Order the recovery CD and the hard disk drive at the same
time so that you can recover the new hard disk drive with
the pre-installed software when they arrive. For information
on which CD to order, see “Recovery CDs” on page 128
Recovery to Factory Contents by using
Product Recovery CDs
To create the service partition and install the factory
contents from the recovery CD, do the following:
Note
The recovery process might take up to 2 hours.
1. Insert the recovery CD into the CD or DVD drive, then
restart the computer.
2. Following message is displayed: “Your computer
originally included a Product Recovery program ...
Reinstall the Product Recovery program? (Y/N) [ ]”.
3. Press Y key. The service partition is created and
loaded with the Product Recovery program files.
4. At next window, press Enter to continue.
v
v
v
v
The service partition is created. The system
automatically reboots during this process.
The recovery process copies some files to the
service partition, and PKUNZIPs others.
Follow the prompts. You may be prompted to
change CDs.
When the process is complete, the system reboots.
5. If you get a message asking which operating system to
install, select the proper operating system and press
Enter.
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6. A message is displayed: “Full Recovery:”. Press Enter
to select.
7. On each of the next three windows, press the Y key.
8. Follow the prompts to complete the recovery.
Passwords
As many as three passwords may be needed for any
ThinkPad computer: the power-on password (POP), the
hard disk password (HDP), and the supervisor password
(SVP).
If any of these passwords has been set, a prompt for it
appears on the screen whenever the computer is turned
on. The computer does not start until the password is
entered.
Exception: If only an SVP is installed, the password
prompt does not appear when the operating
system is booted.
Power-on password
A power-on password (POP) protects the system from
being powered on by an unauthorized person. The
password must be entered before an operating system can
be booted.
Hard disk password
There are two hard disk passwords (HDPs):
v
v
User HDP—for the user
Master HDP—for the system administrator, who can use
it to get access to the hard disk even if the user has
changed the user HDP
Note: There are two modes for the HDP: User only and
Master + User. The Master + User mode requires
two HDPs; the system administrator enters both in
the same operation. The system administrator then
provides the user HDP to the system user.
Attention: If the user HDP has been forgotten, check
whether a master HDP has been set. If it has, it can be
used for access to the hard disk drive. If no master HDP is
available, neither Lenovo nor Lenovo authorized servicers
provide any services to reset either the user or the master
HDP, or to recover data from the hard disk drive. The hard
disk drive can be replaced for a scheduled fee.
Supervisor password
A supervisor password (SVP) protects the system
information stored in the BIOS Setup Utility. The SVP must
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be entered in order to get access to the BIOS Setup Utility
and make changes to system configuration settings.
Attention: If the SVP has been forgotten and cannot be
made available to the servicer, there is no service
procedure to reset the password. The system board must
be replaced for a scheduled fee.
How to remove the power-on password
To remove a POP that you have forgotten, do the
following:
(A) If no SVP has been set:
1. Turn off the computer.
2. Remove the battery pack.
For how to remove the battery pack, see “1010 Battery
3. Remove the backup battery.
For how to remove the backup battery, see “1110
4. Turn on the computer and wait until the POST ends.
After the POST ends, the password prompt does not
appear. The POP has been removed.
5. Reinstall the backup battery and the battery pack.
(B) If an SVP has been set and is known by the servicer:
1. Turn on the computer; then, while the “To interrupt
normal startup, press the blue Access IBM button”
message is displayed at the lower-left of the screen,
press the Access IBM button.
2. Enter the SVP. Select Start setup utility.
3. Select Security, using the cursor keys to move down
the menu.
4. Select Password.
5. Select Power-On Password.
6. At the Enter Current Password field, enter the SVP.
7. When the Enter New Password field opens, leave it
blank and press Enter twice.
8. In the Changes have been saved window, press Enter.
9. Press F10; then, in the Setup confirmation window,
select Yes .
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How to remove the hard disk password
Attention: If User only mode is selected and the user
HDP has been forgotten and cannot be made available to
the servicer, neither Lenovo nor Lenovo authorized
servicers provide any services to reset the user HDPs or to
recover data from the hard disk drive. The hard disk drive
can be replaced for a scheduled fee.
To remove a user HDP that has been forgotten, when the
SVP and the master HDP are known, do the following:
1. Turn on the computer; then, while the “To interrupt
normal startup, press the blue Access IBM button”
message is displayed at the lower-left of the screen,
press the Access IBM button.
2. Press F1 while HDP icon is appearing on the screen;
then enter the master HDP. For the other models,
enter the master HDP.
3. Double—click Start setup utility. Enter SVP.
4. Select Security, using the cursor keys to move down
the menu.
5. Select Password.
6. Select hard disk x password, where x is the letter of
the hard disk drive. A pop-up window opens.
7. Select Master HDP.
8. Enter the master HDP; then leave the New Password
field blank and press Enter twice.
9. Press F10.
10. Select Yes in the Setup Configuration window.
Both user HDP and master HDP will have been
removed.
Power management
To reduce power consumption, the computer has three
power management modes: screen blank, standby, and
hibernation.
Screen blank mode
Screen blank mode has three variants, as follows:
1. If you press Fn+F3, or the time set on the “LCD off
timer” in BIOS Setup Utility expires,
v
v
v
The LCD backlight turns off.
The hard disk drive motor stops.
The speaker is muted.
2. If you are using the ACPI operating system and you
press Fn+F3,
v
The LCD backlight turns off.
The hard disk drive motor stops.
v
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3. If the time set on the “Turn off monitor” timer in the
operating system expires,
v
The LCD backlight turns off.
To end screen blank mode and resume normal operation,
press any key.
Standby mode
When the computer enters standby mode, the following
events occur in addition to what occurs in screen blank
mode:
v
v
v
The LCD is powered off.
The hard disk drive is powered off.
The CPU stops.
To enter standby mode, press Fn+F4.
Note: You can change the action of Fn+F4, if you are
using the ACPI operating system.
In certain circumstances, the computer goes into standby
mode automatically:
v
If a “suspend time” has been set on the timer, and the
user does not do any operation with the keyboard, the
TrackPoint, the hard disk, the parallel connector, or the
diskette drive within that time.
v
If the battery indicator blinks orange, indicating that the
battery power is low. (Alternatively, if Hibernate when
battery becomes low has been selected in the “Power
Management Properties” window, the computer goes
into hibernation mode.)
If you are using the ACPI operating system, only the
low-battery alarm is available.
To cause the computer to return from standby mode and
resume operation, do one of the following:
v
v
Press the Fn key.
Open the LCD cover. (only if you are using Windows Me
and you entered standby mode by closing the LCD
cover.)
v
Turn on the power switch.
Also, in either of the following events, the computer
automatically returns from standby mode and resumes
operation:
v
The ring indicator (RI) is signaled by a serial device or a
PC Card device (Windows 2000 does not support the
ring indicator (RI) resume by PC Card device.)
v
The time set on the resume timer elapses.
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Note: The computer does not accept any input
immediately after it enters standby mode. Wait a
few seconds before taking any action to reenter
operation mode.
Hibernation mode
In hibernation mode, the following occurs:
v
v
The system status, RAM, VRAM, and setup data are
stored on the hard disk.
The system is powered off.
Note: If the computer enters the hibernation mode while it
is docked to the docking station, do not undock it
from the docking station before resuming normal
operation. If you do undock it and then try to
resume normal operation, you will get an error
message, and you will have to restart the system.
To cause the computer to enter hibernation mode, do any
of the following:
v
v
Press the Fn+F12 keys.
If you are using the ACPI operating system and have
defined one of the following actions as the event that
causes the system to go into hibernation mode, perform
that action.
–
–
–
Closing the lid.
Pressing the power button.
Pressing Fn+F4 keys.
Also, the computer goes into hibernation mode
automatically in either of the following conditions:
v
If a “hibernation time” has been set on the timer, and the
user does not do any operation with the keyboard, the
TrackPoint, the hard disk drive, the parallel connector, or
the diskette drive within that time.
v
If the timer conditions are satisfied in suspend mode.
When the power is turned on, the computer returns from
hibernation mode and resumes operation. The hibernation
file in the boot record on the hard disk drive is read, and
system status is restored from the hard disk drive.
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Checkout guide
Checkout guide
Use the following procedures as a guide in identifying and
correcting problems with the ThinkPad computer.
Note: The diagnostic tests are intended to test only
ThinkPad products. The use of non-ThinkPad
products, prototype cards, or modified options can
lead to false indications of errors and invalid system
responses.
1. Identify the failing symptoms in as much detail as
possible.
2. Verify the symptoms. Try to re-create the failure by
running the diagnostic test or by repeating the
operation.
Testing the computer
The ThinkPad computer has a test program called
PC-Doctor® for DOS (hereafter called PC-Doctor). You can
detect errors by running the diagnostics test included in
PC-Doctor. This section is an overview of the procedure.
For details that depend on model-unique functions, refer to
For some possible configurations of the computer,
PC-Doctor might not run correctly. To avoid this problem,
you need to initialize the computer setup by use of the
BIOS Setup Utility before you run PC-Doctor. On the BIOS
Setup Utility screen, press F9, Enter, F10, and then Enter.
Note: When you initialize the computer configuration,
some devices are disabled, such as the serial port.
If you test one of these devices, you will need to
enable it by using PS2.EXE.
PC-Doctor cannot be used to test a device that is in the
docking station, even if the computer supports the docking
station. To test a USB device, connect it to the USB
connector of the computer. To test the Ultrabay device,
install it in the Ultrabay Slim slot of the computer.
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Creating the PC-Doctor diagnostics diskette
In X41 series, the PC-Doctor disk can be created by
using the Access IBM Predesktop Area.
To create the PC-Doctor disk from the Access IBM
Predesktop Area, do as follows:
1. Enter the Predesktop application by pressing the
Access IBM button during POST.
2. When the Access IBM application finishes
loading, double-click the “Create Diagnostic
Diskettes” icon.
3. It will take about 15 seconds to authenticate the
digital signature, and then the ThinkPad
computer will reboot into PC-DOS.
4. A batch file will automatically start up to prompt
the user through creating the boot diskettes. The
user will be informed how many diskettes will be
needed.
a. The user will be prompted to insert each
diskette in sequence.
b. Typically, the user only needs to press the
Enter key for the proper floppy drive to
format and create the diskette.
c. Each diskette will be erased and formatted
with the PC-Doctor for DOS boot image.
5. Once all the diskettes have been created, the
ThinkPad computer will reboot. The user is
asked to remove all diskettes from the drive, or
to insert the first diskette created if it is desired
to run the diagnostics.
To run the test, do as follows:
Note: In the following procedure, you can select an item
not only with the arrow keys, but also with the
TrackPoint. Instead of pressing Enter, click the left
button.
1. Insert the PC-Doctor disk into the diskette drive; then
power on the computer.
If the computer cannot be powered on, go to “Power
system checkout” on page 40, and check the power
sources.
If an error code appears, go to “Symptom-to-FRU
On the first screen, select the model and press Enter.
Follow the instructions on the screen.
2. The main panel of PC-Doctor appears.
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3. Select Diagnostics with the arrow keys, and press
Enter.
A pull-down menu appears. (Its exact form depends on
the model.)
Note: PC-Doctor menu does not mean the formal
support device list. Some unsupported device
names may appear in the PC-Doctor menu.
The options on the test menu are as follows:
Diagnostics
Interactive Tests
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Run Normal Test
Run Quick Test
CPU/Coprocessor
Systemboard
Video Adapter
Serial Ports
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Keyboard
Video
Internal Speaker
Mouse
Diskette
System Load
CD-ROM/DVD Test
Intel Wireless Radio
Parallel Ports
Fixed Disks
Diskette Drives
Other Devices
ThinkPad Devices
Communication
Wireless LAN
Memory Test – Full
Memory Test – Quick
Notes:
v
In the Keyboard test in Interactive Tests, the Fn key should
be held down for at least 2 seconds; otherwise, it cannot be
sensed.
v
Video Adapter test supports only the LCD display on the
ThinkPad computer. If you have an external monitor attached
to your computer, detach it before running PC-Doctor for DOS.
To test Digital Signature Chip, the chip must be enabled.
To test Serial Ports or Parallel Ports, the ThinkPad computer
must be attached to the X4 Dock.
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Diagnostics
Hardware Info
Interactive Tests
Utility
F1=Help
Quit
Run Normal Test
Run Quick Test
CPU/Coprocessor
Systemboard
Video Adapter
Serial Ports
Parallel Ports
Fixed Disks
Diskette Drives
Other Devices
ZIP Drive
Communication
Memory Test
Memory Test
-
-
Full
Quick
PC-DOCTOR 2.0 Copyright 2001 PC-Doctor, Inc. All Rights Reserved.
Use the cursor keys and ESC to move in menus. Press ENTER to select.
4. Run the applicable function test.
5. Follow the instructions on the screen. If there is a
problem, PC-Doctor shows messages describing it.
6. To exit the test, select Quit — Exit Diag.
To cancel the test, press Esc.
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Note: After executing PC-Doctor, check the system
time/date and reset them if needed.
Detecting system information with
PC-Doctor
PC-Doctor can detect the following system information:
Hardware Info
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System Configuration
Memory Contents
Physical Disk Drives
Logical Disk Drives
VGA Information
IDE Drive Info
PCI Information
PNPISA Info
SMBIOS Info
VESA LCD Info
Hardware Events Log
Utility
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Run External Tests
Surface Scan Hard Disk
Benchmark System
DOS Shell
Tech Support Form
Battery Rundown
View Test Log
Print Log
Save Log
Full Erase Hard Drive
Quick Erase Hard Drive
Power system checkout
To verify a symptom, do the following:
1. Power off the computer.
2. Remove the battery pack.
3. Connect the ac adapter.
4. Check that power is supplied when you power on the
computer.
5. Power off the computer.
6. Disconnect the ac adapter and install the charged
battery pack.
7. Check that the battery pack supplies power when you
power on the computer.
If you suspect a power problem, see the appropriate one
of the following power supply checkouts:
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v
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Checking the ac adapter
You are here because the computer fails only when the ac
adapter is used:
v
If the power problem occurs only when the port
replicator is used, replace the port replicator.
If the power-on indicator does not turn on, check the
power cord of the ac adapter for correct continuity and
installation.
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If the computer does not charge during operation, go to
″Checking operational charging.″
To check the ac adapter, do the following:
1. Unplug the ac adapter cable from the computer.
2. Measure the output voltage at the plug of the ac
adapter cable. See the following figure:
Pin
1
Voltage (V dc)
+15.5 to +17.0
Ground
2
1
2
(16 - 10 V)
3. If the voltage is not correct, replace the ac adapter.
4. If the voltage is acceptable, do the following:
v
Replace the system board.
If the problem persists, go to “Product overview” on
v
Note: Noise from the ac adapter does not always indicate
a defect.
Checking operational charging
To check whether the battery charges properly during
operation, use a discharged battery pack or a battery pack
that has less than 50% of the total power remaining when
installed in the computer.
Perform operational charging. If the battery status indicator
or icon does not turn on, remove the battery pack and let it
return to room temperature. Reinstall the battery pack. If
the charge indicator or icon still does not turn on, replace
the battery pack.
If the charge indicator still does not turn on, replace the
system board. Then reinstall the battery pack. If it is still
not charged, go to the next section.
Checking the battery pack
Battery charging does not start until the Power Meter
shows that less than 95% of the total power remains;
under this condition the battery pack can charge to 100%
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of its capacity. This protects the battery pack from being
overcharged or from having a shortened life.
To check the status of your battery, move your cursor to
the Power Meter icon in the icon tray of the Windows
taskbar and wait for a moment (but do not click), and the
percentage of battery power remaining is displayed. To get
detailed information about the battery, double-click the
Power Meter icon.
Note: If the battery pack becomes hot, it may not be able
to charge. Remove it from the computer and leave it
at room temperature for a while. After it cools down,
reinstall and recharge it.
To check the battery pack, do the following:
1. Power off the computer.
2. Remove the battery pack and measure the voltage
between battery terminals 1 (+) and 5 (−). See the
following figure:
Terminal Voltage (V dc)
1
5
+ 0 to + 16.8
Ground (−)
1(+)
2
3
4
5(-)
3. If the voltage is less than +14.4 V dc, the battery pack
has been discharged.
Note: Recharging will take at least 3 hours, even if the
indicator does not turn on.
If the voltage is still less than +14.4 V dc after
recharging, replace the battery.
4. If the voltage is more than +14.4 V dc, measure the
resistance between battery terminals 4 and 5. The
resistance must be 4 to 30 K ꢀ.
If the resistance is not correct, replace the battery
pack. If the resistance is correct, replace the system
board.
Checking the backup battery
Do the following:
1. Power off the computer, and unplug the ac adapter
from it.
2. Turn the computer upside down.
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5. Measure the voltage of the backup battery. See the
following figure.
Red (+)
Wire
Voltage (V dc)
Red
+2.5 to +3.2
Black Ground
Black (-)
v
v
v
If the voltage is correct, replace the system board.
If the voltage is not correct, replace the backup battery.
If the backup battery discharges quickly after
replacement, replace the system board.
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Product overview
Product overview
This section presents the following product-unique
information:
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Specifications
Feature
Description
Processor
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Intel® Pentium® M Processor Low Voltage
758 (1.5 GHz), L2 2 MB cache
Intel Pentium M Processor Ultra Low
Voltage 753 (1.2 GHz), L2 2 MB cache
Intel Pentium M Processor Low Voltage
778 (1.6 GHz), L2 2 MB cache
Memory (standard)
Memory (optional)
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256 MB SDRAM on-board (PC4200)
512 MB SDRAM on-board (PC4200)
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256-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card X 1
512-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card X 1
1-GB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card X 1
(maximum of 1280 MB for 256M model, and
1536 MB for 512 model)
Bus architecture
Video
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HUB link
PCI bus
LPC bus
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Graphics chip: Intel 915GM
Total video memory: UMA, 128MBmax
CMOS RAM
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242 bytes
Hard disk drive
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20.0 GB, 1.8-inch, IDE interface
30.0 GB, 1.8-inch, IDE interface
40.0 GB, 1.8-inch, IDE interface
60.0 GB, 1.8-inch, IDE interface
Display
12.1-inch, 16M colors, super wide viewing
angle XGA (1024 × 768 resolution) TFT
color LCD
(continued)
ThinkPad X41 Tablet 47
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Product overview
Feature
Description
I/O port (system)
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External monitor connector
RJ11 connector
RJ45 connector
Stereo headphone jack
Monaural microphone jack
Universal serial bus (USB) connector × 2
PCMCIA cardbus
Infrared port
Docking connector
DC-in
Bluetooth antenna (Bluetooth models
only)
I/O port (X4 Dock)
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External monitor connector
RJ11
RJ45
Parallel connector
Serial connector
Keyboard or mouse PS/2 connector
Universal serial bus (USB) connector × 3
DC-in
Stereo speakers
Internal modem
Audio
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56.6 Kbps
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Internal monaural speaker
Software control volume
Infrared transfer
Mini PCI card
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IrDA 1.1
802.11a/b/g combo (Wireless) Mini PCI
Card
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802.11b/g (Wireless) Mini PCI Card
PC card
One Type-II
SD card
With IO support
Ultrabay device
UltraBay Slim (supported by X4 Dock)
Communication
daughter card
(CDC)
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ThinkPad Integrated 56K Modem (MDC-2)
ThinkPad Integrated Blutooth IV with 56K
Modem (BMDC-3)
AC adapter
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56-watt type
Diskette drive
(external)
USB diskette drive
Battery pack
(main)
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1 parallel of 4 series of cells (1P4S) Li-Ion
battery pack (1.9 AH) (Standard Battery)
2 parallel of 4 series of cells (2P4S) Li-Ion
battery pack (4.3 AH) (HyBrid Battery)
Preinstalled
operating system
v
Windows XP Tablet
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Product overview
Status indicators for X41 Tablet
The system status indicators show the status of the
computer, as follows:
1
2
3
4
5
6
7
8
Indicator
Meaning
Green:
ꢀ1ꢁ Wireless
Wireless is operational and radio
on state. This indicator is on when
the data is transmitted.
status
ꢀ2ꢁ Bluetooth
Green:
The Bluetooth is operational. This
indicator is on when the Bluetooth
is on and not in suspend mode.
status
(continued)
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Indicator
Meaning
Green:
ꢀ3ꢁ Num lock
The numeric keypad on the
keyboard is enabled. To enable or
disable the keypad, press and hold
the Shift key, and press the NumLk
(ScrLk) key.
ꢀ4ꢁ Caps lock
Green:
Green:
Caps Lock mode is enabled. To
enable or disable Caps Lock mode,
press the Caps Lock key.
ꢀ5ꢁ Drive in
Data is being read from or written
to the hard disk drive, or the drive
in the Ultrabay device. When this
indicator is on, do not put the
computer into standby mode or
turn off the computer.
use
Note: Do not move the system while the
Green drive in use light is on. Sudden physical
shock could cause drive errors.
ꢀ6ꢁ Power on
Green:
The computer is on and ready to
use. This indicator stays lit
whenever the computer is on and
is not in standby mode.
ꢀ7ꢁ Battery
Green:
The battery is in use and has
enough power. The ac adapter has
charged the battery completely.
status
Blinking green:
The battery is being charged, but
still has enough power to operate.
(At regular intervals, the indicator
light turns off briefly.)
Orange: The battery is being charged, but
the battery power is still low.
Blinking orange:
The battery needs to be charged.
When the indicator starts blinking
orange, the computer beeps three
times.
ꢀ8ꢁ Standby
Green:
Blinking green:
The computer is entering standby
The computer is in standby mode.
status
mode or hibernation mode, or is
resuming normal operation.
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Product overview
FRU tests
The following table shows the test for each FRU.
FRU
Applicable test
System board
1. Diagnostics --> CPU/Coprocessor
2. Diagnostics --> Systemboard
3. If the docking station or the port replicator is
attached to the ThinkPad computer, undock
it. Place the computer on a horizontal
surface, and run Diagnostics --> ThinkPad
Devices --> HDD Active Protection Test.
Note: Do not apply any physical shock to the
computer while the test is running.
Power
Diagnostics --> ThinkPad Devices --> AC
Adapter, Battery 1 (Battery 2)
LCD unit
1. Diagnostics --> Video Adapter
2. Interactive Tests --> Video
Modem, MDC
or BMDC
1. Make sure the modem is set up correctly.
2. Replace the modem jack and the modem
card in turn, and run the following test in
Diagnostics --> Communication:
a. Conexant Smart Modem Interrupt
b. Conexant Smart Modem Dialtone
Audio
1. Interactive Tests --> Internal Speaker
2. Diagnostics --> Other Devices --> Analog
Devices AC97 CODEC Test
Speaker
Interactive Tests --> Internal Speaker
PC Card slots
1. Diagnostics --> Systemboard --> PCMCIA
2. Insert a PC Card Wrap Plug into every PC
Card Slot, and run Diagnostics -->
Systemboard --> PCMCIA External Loop
Keyboard
1. Diagnostics --> Systemboard -->
Keyboard
2. Interactive Tests --> Keyboard
TrackPoint or
If the TrackPoint does not work, check the
pointing device configuration in the ThinkPad Configuration
program. If the TrackPoint is disabled, select
Enable to enable it.
After you use the TrackPoint, the pointer may
drift on the screen for a short time. This drift
can occur when a slight, steady pressure is
applied to the TrackPointing Stick. This
symptom is not a hardware problem. If the
pointer stops after a short time, no service
action is necessary.
If enabling the TrackPoint does not correct the
problem, continue with the following:
v
Interactive Tests --> Mouse
(continued)
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Product overview
FRU
Applicable test
Hard disk drive Diagnostics --> Fixed Disks
Diskette drive
1. Diagnostics --> Diskette Drives
2. Interactive Tests --> Diskette
CD-ROM or
DVD drive
1. Diagnostics --> Other Devices -->
CD-ROM/DVD
2. Interactive Tests --> CD-ROM/DVD Test
Memory
1. If two DIMMs are installed, remove one of
them and run Diagnostics --> Memory
Test - Quick.
2. If the problem does not recur, return the
DIMM to its place, remove the other one,
and run the test again.
3. If the test does not detect the error, run
Diagnostics --> Memory Test - Full.
Fan
1. Turn on the computer and check the air
turbulence at the louver near the power
switch.
2. Run Diagnostics --> ThinkPad Devices -->
Fan.
Digitizer
Diagnostics --> ThinkPad Devices -->
Digitizer Firmware, Digitizer Sampling.
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Product overview
Fn key combinations
The following table shows the function of each combination
of Fn with a function key.
Key
Description
combination
Fn+F1
Fn+F2
Fn+F3
Reserved.
Reserved.
Standby mode
Turn off the LCD display, leaving the screen
blank. Hard disk drive spindown while CPU still
works. To turn the LCD display on again, press
any key or the TrackPoint stick.
Fn+F4
Fn+F5
Sleep mode
This function causes the system to enter a low
power sleep state. The unit may remain in the
Sleep state for an extended time. For ACPI
systems the OS will determine which state the
system will enter by user setting on the control
panel.
Wireless radio on/off switching
Enable or disable the built-in wireless
networking features ( the IEEE 802.11 standard)
and the Bluetooth features. If this combination
of keys are pressed, a list of wireless features is
displayed in the Wireless Radio Control window.
The user can quickly change the power state of
each feature in the list.
Fn+F6
Fn+F7
Reserved.
Switch a display output location
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External monitor (CRT display)
Computer display and external monitor (LCD
+ CRT display)
v
Computer display (LCD)
Note: For any operating system other than
Windows 2000 or Windows XP, no additional
procedure is needed; just press Fn+F7.
Note:
1. This function does not work when different
desktop images are displayed on the
computer display and the external monitor
(the Extend desktop function).
2. This function does not work while a DVD
movie or a video clip is playing.
3. For Windows 2000 or Windows XP, a hotkey
application might take over the switching
function.
(continued)
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Product overview
Key
Description
combination
Fn+F8
Display expansion
Horizontal/Vertical screen expansion (hardware
stretch) function is enabled, so that VGA mode
screen will be expanded to whole size of SVGA
LCD or XGA LCD.
Note:
1. In ACPI OS (Windows XP, Windows 2000,
and later), this function is not supported.
2. When hardware overlay screen or 3D full
screen application is active, this
hotkey-function will be disabled.
Fn+F9
Issue device ejection
Opens the ThinkPad EasyEject Utility screen.
Buttons for the following choices are displayed:
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Run EasyEject Actions: User can select,
stop, and remove external devices connected
to the ThinkPad computer.
Configure EasyEject Actions: User can
open the ThinkPad EasyEject Utility main
window.
Fn+F9 Settings: User can configure the
settings for the Fn+F9 function.
Note: This function is supported only in
Windows XP and Windows 2000.
Fn+F10
Fn+F11
Fn+F12
Reserved.
Reserved.
Hibernation
Turn hibernation mode on. To return to normal
operation, press the power button for less than
four seconds.
Note: To use Fn+F12 for hibernation in
Windows XP and Windows 2000, the PM device
driver must have been installed on the
computer.
Fn+Home
Fn+End
LCD brightness up
The LCD becomes brighter.
LCD brightness down
The LCD becomes less bright.
Fn+Spacebar
FullScreen magnifier
Enable the FullScreen Magnifier function.
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Symptom-to-FRU index
Symptom-to-FRU index
The symptom-to-FRU index in this section lists symptoms
and errors and their possible causes. The most likely
cause is listed first, in boldface type.
Note: Do the FRU replacement or other actions in the
sequence shown in the column headed “FRU or
action, in sequence.” If replacing a FRU does not
solve the problem, put the original part back in the
computer. Do not replace a nondefective FRU.
This index can also help you determine, during regular
servicing, what FRUs are likely to need to be replaced
next.
A numeric error is displayed for each error detected in
POST or system operation. In the displays, n can be any
number.
If no numeric code is displayed, check the narrative
descriptions of symptoms. If the symptom is not described
there, go to “Intermittent problems” on page 67.
Note
For a device not supported by diagnostic codes in
the ThinkPad notebook computers, see the manual
for that device.
Numeric error codes
Symptom or error
FRU or action, in sequence
0175
System board
Replace planar.(System halt)
Bad CRC1, stop POST
task—EEPROM CRC1 is not
correct (block #6)
0176
1. Run BIOS Setup Utility,
and then save current
setting by pressing F10.
2. System board.
System Security—The system
has been tampered with.
0177
System board
Bad SVP data, stop POST
task—Checksum of the
supervisor password in the
EEPROM is not correct.
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
0182
1. Run BIOS Setup Utility.
Press F9, and Enter to
load the default setting.
Then save current setting
by pressing F10.
Bad CRC2. Enter BIOS Setup
and load Setup
defaults.—Checksum of the
CRS2 setting in the EEPROM
is not correct.
2. System board.
0185
1. Run BIOS Setup Utility.
Press F9, and Enter to
load the default setting.
Then save current setting
by pressing F10.
Bad startup sequence settings.
Enter BIOS Setup and load
Setup defaults.
0187
System board.
EAIA data access
error—EEPROM access (read
or write) is failed.
0188
System board.
Replace planar. Box serial
number needs to be reinstalled.
Invalid RFID Serialization
Information Area or Bad
CRC2—EEPROM checksum is
not correct (block #0,1).
EEPROM CRC2 is not correct
(block #6).
0189
System board.
Replace planar. UUID needs to
be reinstalled.
Invalid RFID configuration
information area—EEPROM
checksum is not correct (block
#4,5).
0190
1. Charge the battery pack.
Critical low-battery error
2. Battery pack.
0191
1. Run BIOS Setup Utility,
and then save current
setting by pressing F10.
2. System board.
System Security—Invalid
Remote Change requested.
0192
System board.
System Security—IBM
Embedded Security hardware
tamper detected.
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
0199
1. Run BIOS Setup Utility,
and then save current
setting by pressing F10.
2. System board.
System Security—IBM Security
password retry count exceeded.
01C8
1. Remove either a Mini-PCI
Card. Otherwise, press
Esc to ignore the warning
message.
More than one modem devices
are found. Remove one of
them. Press <Esc> to continue.
2. System board.
01C9
1. Remove the Ethernet
device that you installed;
or press Esc to ignore the
warning message.
More than one Ethernet devices
are found. Remove one of
them. Press <Esc> to continue.
2. System board.
0200
1. Reseat the hard disk
drive.
2. Load Setup Defaults in
BIOS Setup Utility.
3. Hard disk drive.
4. System board.
Failure Fixed Disk—Fixed disk
is not working or not configured
properly.
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
0210
Enter here.
Stuck key—Stuck key on
keyboard
0211
Run interactive tests of the
keyboard and the auxiliary
input device.
Keyboard error—Keyboard not
working.
0212
Replace keyboard controller..
Keyboard Controller
Failed—Keyboard controller
failed test.
0213
Unlock the system to
proceed.
Keyboard locked—Unlock key
switch
0220
Load Setup Defaults in BIOS
Setup Utility.
Monitor type does not match
CMOS —Monitor type not
correctly identified in Setup
0230
System board.
Shadow Ram Failed at offset:
nnnn—Shadow RAM failed at
offset nnnn of the 64k block at
which the error was detected.
0231
1. DIMM.
System RAM Failed at offset:
nnnn—System RAM failed at
offset nnnn of in the 64k block
at which the error was detected
2. System board.
0232
1. DIMM.
Extended RAM Failed at offset:
nnnn —Extended memory not
working or not configured
properly at offset nnnn..
2. System board.
0250
Replace the backup battery
and run BIOS Setup Utility to
reset the time and date.
System battery is dead —The
CMOS clock battery indicator
shows the battery is dead
0251
Replace the backup battery
and run BIOS Setup Utility to
reset the time and date.
System CMOS checksum bad
—Default configuration used.
0252
Reset the password by
Password checksum bad—The running BIOS Setup Utility.
password is cleared.
0260
1. Replace the backup
battery and run BIOS
Setup Utility to reset the
time and date.
System timer error—The timer
test failed
2. System board.
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
0270
Real time clock
error—Real-Time Clock fails
BIOS hardware test
1. Replace the backup
battery and run BIOS
Setup Utility to reset the
time and date.
2. System board.
0271
Run BIOS Setup Utility to
reset the time and date.
Date and time error—BIOS
found date or time out of range
and reset the Real-Time Clock.
0280
1. Load “Setup Default” in
BIOS Setup Utility.
2. DIMM.
Previous boot
incomplete—Default
configuration used.
3. System board.
0281
1. Enter here.
Memory Size found by POST
differed from CMOS—Memory
Size found by POST differed
from CMOS
02B0
Check to see that the drive is
Diskette drive A error—Drive A: defined with the proper
is present but fails the BIOS
POST diskette tests.
diskette type in Setup and
that the diskette drive is
attached correctly.
02B1
Check to see that the drive is
Diskette drive B error—Drive B: defined with the proper
is present but fails the BIOS
POST diskette tests.
diskette type in Setup and
that the diskette drive is
attached correctly.
02B2
1. Diskette drive.
2. External FDD cable.
3. I/O card.
Incorrect drive A type—Type of
floppy drive A: not correctly
identified in Setup.
4. Run setup
02B3
1. Diskette drive.
2. External FDD cable.
3. I/O card.
Incorrect drive B type—Type of
floppy drive B: not correctly
identified in Setup.
4. Run setup
02D0
On older boards, check the
cache jumpers. You may have
System cache error.—RAM
cache failed and BIOS disabled to replace the cache
the cache
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
02F0
CPU ID.—CPU socket number
for Multi-Processor error
02F4
1. Load Setup Defaults in
BIOS Setup Utility.
2. Replace the backup battery.
3. System board.
EISA CMOS not
writable—ServerBIOS2 test
error: Cannot write to EISA
CMOS.
02F5
1. DIMM.
DMA test failed—ServerBIOS2
test error: Cannot write to
extended DMA (Direct Memory
Access) registers.
2. System board.
02F6
1. DIMM.
Software NMI
2. System board.
failed—ServerBIOS2 test error:
Cannot generate software NMI
(Non-Maskable Interrupt).
02F7
1. DIMM.
Fail-safe timer NMI
failed—ServerBIOS2 test error:
Fail-Safe Timer takes too long
2. System board.
1801
Shut down the computer and
Unsupported docking station is remove it from the docking
attached—Attached docking
station is not supported by the
product
station.
1802
1. Remove Mini PCI network
card.
2. System board.
Unauthorized network card is
plugged in—Power off and
remove the miniPCI network
card.
1803
1. Remove the daughter
card that you installed.
2. System board.
Unauthorized daughter card is
plugged in—Power off and
remove the daughter card.
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
1810
1. If the Access IBM
Predesktop Area has been
previously disabled, then
go the the BIOS Setup
Utility by pressing F1 to
open the BIOS Setup
Utility. Select
Hard disk partition layout error
Security->Predesktop
Area-> Access IBM
Predesktop Area. Set this
item to Disabled. Save
and exit.
2. If the Access IBM
Predesktop Area has not
been previously disabled,
press Enter to load Access
IBM Predesktop Area. Then
run RECOVER TO
FACTORY CONTENTS in
Access IBM Predesktop
Area.
3. If item 2 failed, press F3 in
welcome screen in
RECOVER TO FACTORY
CONTENTS. Run FDISK,
and then delete all
partitions. Run RECOVER
TO FACTORY CONTENTS
in Access IBM Predesktop
Area again.
4. If item 3 failed, select
CD-ROM boot in Startup in
Access IBM Predesktop
Area. Boot from Recovery
CD and perform full
recovery from it.
5. If item 4 failed, replace the
hard disk drive.
2000
1. Undock docking station or
port replicator if it is
Hard Drive Active Protection
sensor diagnostics failed.
Press <Esc> to continue.
Press <F1> to enter SETUP
attached to the ThinkPad
computer, and place the
computer on a horizontal
surface. Do not apply any
physical shock to the
computer.
2. Run Diagnostics –> Other
Devices –> HDD Active
Protection Test.
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
2010
Inform the following information
to the customer:
The hard disk drive you have
installed has not been qualified If in the primary bay the
for use in this computer or does customer is using a non-IBM or
not have the latest firmware.
Using a drive that is not
qualified may cause
compatibility issues and
potential data loss.
To automatically continue after
this message is displayed
non-Lenovo hard disk drive
(HDD), or an old generation
IBM HDD which is not
supported by this system, with
the risk in mind, the customer
can still use it by pressing ESC.
If in the primary drive bay the
without having to press <Esc>, customer is using a supported
restart the computer, press IBM/Lenovo HDD with an old
<F1> during Power-on and look firmware, the customer needs
under ″Startup″ in the BIOS
Setup Utility.
to update its firmware to the
latest. The latest version is
available at
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Symptom-to-FRU index
Error messages
Symptom or error
FRU or action, in sequence
Device address conflict.
1. Load “Setup Defaults” in
BIOS Setup Utility.
2. Backup battery.
3. System board.
Allocation error for device.
1. Load “Setup Defaults” in
BIOS Setup Utility.
2. Backup battery.
3. System board.
Failing bits: nnnn.
1. DIMM.
2. System board.
Invalid system configuration
data.
1. DIMM.
2. System board.
I/O device IRQ conflict.
1. Load “Setup Defaults” in
BIOS Setup Utility.
2. Backup battery.
3. System board.
Operating system not found.
1. Check that the operating
system has no failure and is
installed correctly.
2. Enter BIOS Setup Utility
and see whether the hard
disk drive and the
diskette drive are properly
identified.
3. Reseat the hard disk drive.
4. Reinstall the operating
system.
5. Diskette drive.
6. Hard disk drive.
7. System board.
Hibernation error.
1. Restore the system
configuration to what it
was before the computer
entered hibernation mode.
2. If memory size has been
changed, re-create the
hibernation file.
Fan error.
Fan.
Thermal sensing error.
System board.
Authentication of system
The Predesktop Area in the
services failed. Press <Esc> to hard disk drive is corrupted.
resume.
Restore it from a recovery
CD.
CD ROM drive
Entering SETUP
1. DIMM.
2. System board.
1. DIMM.
2. System board.
(continued)
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Symptom-to-FRU index
Symptom or error
FRU or action, in sequence
Fixed disk n
1. DIMM.
2. System board.
P/S 2 mouse boot summary
screen
1. DIMM.
2. System board.
One or more I2O block storage 1. DIMM.
devices were excluded from the
setup boot menue
2. System board.
Parity Check 1 nnnn
1. DIMM.
2. System board.
Parity Check 2 nnnn
1. DIMM.
2. System board.
Press F1 to resume, F2 to
Setup, F3 for previous
1. DIMM.
2. System board.
Press F2 to enter Setup
1. DIMM.
2. System board.
PS/2 Mouse
1. DIMM.
2. System board.
Run the I2O Configuration
Utility
1. DIMM.
2. System board.
System BIOS shadowed
1. DIMM.
2. System board.
UMB upper limit segment
address: nnnn
1. DIMM.
2. System board.
Video BIOS shadowed
1. DIMM.
2. System board.
Do you want abort resume from 1. DIMM.
hibernation? (Y/N)System
memory removed, press F3 to
power off systemand restore
memory chip, press F4 to
normal boot
2. System board.
Docking station is removed or
its ID is different,press F3 to
power off system and restore
No error appears when;
undock -> hibernation ->
dock -> wakeup. The docking
correctdocking station, press F4 is configured by OS.
to normal boot
WRONG MEMORY: Serial
Presence Detected (SPD)
indicates 66MHz Memory. This
processor requires 100MHz
memory. Shut system down.
Shut system down.(Stop this
point).
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Symptom-to-FRU index
Beep symptoms
Symptom or error
FRU or action, in sequence
One beep and a blank,
unreadable, or flashing LCD.
1. Reseat the LCD
connector.
2. LCD assembly.
3. External CRT.
4. System board.
One long and two short beeps, 1. System board.
and a blank or unreadable
LCD.
2. LCD assembly.
3. DIMM.
Two short beeps with error
codes.
POST error. See “Numeric
Two short beeps and a blank
screen.
1. System board.
2. DIMM.
Three short beeps, pause,
three more short beeps, and
one short beep.
1. DIMM.
2. System board
One short beep, pause, three
short beeps, pause, three more
short beeps, and one short
beep.
Only cursor appears.
Reinstall operating system.
Four cycles of four short beeps System board (security chip)
and a blank screen.
Five short beeps and a blank
screen.
System board
No-beep symptoms
Symptom or error
FRU or action, in sequence
No beep, power-on indicator
on, LCD blank, and no POST.
1. Make sure that every
connector is connected
tightly and correctly.
2. DIMM.
3. System board.
No beep, power-on indicator
on, and LCD blank during
POST.
1. Reseat DIMM.
2. System board.
The power-on password prompt A power-on password or a
appears.
supervisor password is set.
Type the password and press
Enter.
The hard-disk password prompt A hard-disk password is set.
appears.
Type the password and press
Enter.
The DOS full screen looks
smaller than it should.
Start the ThinkPad
Configuration program and set
the Screen expansion
function.
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Symptom-to-FRU index
LCD-related symptoms
Important
The TFT LCD for the notebook computer contains
many thin-film transistors (TFTs). The presence of a
small number of dots that are missing, discolored, or
always lighted is characteristic of TFT LCD
technology, but excessive pixel problems can cause
viewing concerns. The LCD should be replaced if
the number of missing, discolored, or lighted dots in
any background is:
v
XGA: 8 or more bright dots, 8 or more dark dots,
or a total of 9 or more bright and dark dots.
Note: A bright dot means a pixel is always on
(white or color.) A dark dot means a pixel is
always off (black color.)
Symptom or error
FRU or action, in sequence
No beep, power-on indicator
on, and a blank LCD during
POST.
System board.
v
v
v
LCD backlight not working.
LCD too dark.
LCD brightness cannot be
adjusted.
1. Reseat the LCD
connectors.
2. LCD assembly.
3. System board.
v
LCD contrast cannot be
adjusted.
v
v
v
v
LCD screen unreadable.
Characters missing pixels.
Screen abnormal.
1. See important note for
“LCD-related symptoms.”
2. Reseat all LCD connectors.
3. LCD assembly.
Wrong color displayed.
4. System board.
Horizontal or vertical lines
displayed on LCD.
LCD assembly.
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Symptom-to-FRU index
Intermittent problems
Intermittent system hang problems can be due to a variety
of causes that have nothing to do with a hardware defect,
such as cosmic radiation, electrostatic discharge, or
software errors. FRU replacement should be considered
only when a problem recurs.
When analyzing an intermittent problem, do the following:
1. Run the diagnostic test for the system board in loop
mode at least 10 times.
2. If no error is detected, do not replace any FRUs.
3. If any error is detected, replace the FRU shown by the
FRU code. Rerun the test to verify that no more errors
exist.
Undetermined problems
If the diagnostic tests did not identify the adapter or device
that has failed, if wrong devices are installed, or if the
system simply is not operating, follow these procedures to
isolate the failing FRU (do not isolate FRUs that have no
defects).
Verify that all attached devices are supported by the
computer.
Verify that the power supply being used at the time of the
failure is operating correctly. (See “Power system
1. Turn off the computer.
2. Visually check each FRU for damage. Replace any
damaged FRU.
3. Remove or disconnect all of the following devices:
a. Non-ThinkPad devices
b. Devices attached to the port replicator
c. Printer, mouse, and other external devices
d. Battery pack
e. Hard disk drive
f. External diskette drive
g. DIMM
h. CD-ROM and diskette drive in the Ultrabay
i. PC Cards
4. Turn on the computer.
5. Determine whether the problem has been solved.
6. If the problem does not recur, reconnect the removed
devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one
at a time (do not replace a nondefective FRU):
a. System board
b. LCD assembly
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FRU replacement notices
FRU replacement notices
This section contains notices related to removing and
replacing parts. Read this section carefully before replacing
any FRU.
Screw notices
Loose screws can cause a reliability problem. In the
ThinkPad computer, this problem is addressed with special
nylon-coated screws that have the following characteristics:
v
They maintain tight connections.
They do not easily come loose, even with shock or
vibration.
v
v
v
They are harder to tighten.
Each one should be used only once.
Do the following when you service this machine:
v
Keep the screw kit (for the P/N, see “Miscellaneous
parts” on page 129) in your tool bag.
Always use new screws.
v
v
Use a torque screwdriver if you have one.
Tighten screws as follows:
v
Plastic to plastic
Turn an additional 90 degrees after the screw head
touches the surface of the plastic part:
90 degrees more
(Cross-section)
v
Logic card to plastic
Turn an additional 180 degrees after the screw head
touches the surface of the logic card:
180 degrees more
(Cross-section)
Torque driver
v
If you have a torque driver, refer to the “Torque” column
for each step.
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FRU replacement notices
v
Make sure that you use the correct screw. If you have a
torque screwdriver, tighten all screws firmly to the torque
shown in the table. Never use a screw that you
removed. Use a new one. Make sure that all of the
screws are tightened firmly.
Retaining serial numbers
This section includes the following descriptions:
v
v
v
Restoring the serial number of the system
unit
When the computer was manufactured, the EEPROM on
the system board was loaded with the serial numbers of
the system and all major components. These numbers
need to remain the same throughout the life of the
computer.
If you replace the system board, you must restore the
serial number of the system unit to its original value.
Before replacing the system board, save the original serial
number by doing the following:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.71 or later, and restart the computer.
2. From the main menu, select 1. Set System
Identification.
3. Select 2. Read S/N data from EEPROM.
The serial number of each device in your computer is
displayed; the serial number of the system unit is listed as
follows:
v
20: Serial number
Write down that number.
Note: The serial number of the system unit is also written
on the label attached to the bottom of the computer.
After you have replaced the system board, restore the
serial number by doing the following:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.71 or later and restart the computer.
2. From the main menu, select 1. Set System
Identification.
3. Select 1. Add S/N data from EEPROM.
Follow the instructions on the screen.
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FRU replacement notices
Retaining the UUID
The Universally Unique Identifier (UUID) is a 128-bit
number uniquely assigned to your computer at production
and stored in the EEPROM of your system board. The
algorithm that generates the number is designed to provide
unique IDs until the year A.D. 3400. No two computers in
the world have the same number.
When you replace the system board, you must set the
UUID on the new system board as follows:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.71 or later, and restart the computer.
2. From the main menu, select 4. Assign UUID.
A new UUID is created and written. If a valid UUID
already exists, it is not overwritten.
Reading or writing the ECA information
Information on Engineering Change Announcements (ECA)
are stored in the EEPROM of the system board. The
electronic storage of this information simplifies the
procedure to check if the ECA has been previously applied
to a machine. The machine does not need to be
disassembled to check for the ECA application.
To check what ECAs have been previously applied to the
machine, use the ECA Information Read/Write function on
the ThinkPad Hardware Maintenance Diskette Version 1.71
or later.
1. Insert the ThinkPad Hardware Maintenance Diskette
Version 1.71 or later, and restart the computer.
2. From the main menu, select 6. Set ECA Information.
3. To read ECA information, select 2. Read ECA/rework
number from EEPROM and follow the instruction.
4. To read box build date, select 5. Read box build date
from EEPROM, and follow the instruction on the
screen.
After an ECA has been applied to the machine, the
EEPROM must be updated to reflect the ECA's
application. Use the ThinkPad Hardware Maintenance
Diskette Version 1.71 or later to update the EEPROM.
Note: Only the ECA number is stored in the EEPROM.
The machine type of the ECA is assumed be the
same as the machine type of the machine that had
the ECA applied to it.
1. Insert the ThinkPad Hardware Maintenance Diskette
Version 1.71 or later, and restart the computer.
2. From the main menu, select 6. Set ECA Information.
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FRU replacement notices
3. To write ECA information, select 1. Write ECA/rework
number from EEPROM, and follow the instruction.
4. To write box build date, select 4. Write box build date
from EEPROM, and follow the instruction on the
screen.
If the system board is being replaced, try to read the ECA
information from the old system board and transfer the
information to the new system. If the system board is
inoperable, this will not be possible.
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Removing and replacing a FRU
Removing and replacing a FRU
This section presents directions and drawings for use in
removing and replacing a FRU. Be sure to observe the
following general rules:
1. Do not try to service any computer unless you have
been trained and certified. An untrained person runs
the risk of damaging parts.
3. Begin by removing any FRUs that have to be removed
before the failing FRU. Any such FRUs are listed at the
top of the page. Remove them in the order in which
they are listed.
4. Follow the correct sequence in the steps for removing
the FRU, as given in the drawings by the numbers in
square callouts.
5. When turning a screw to replace a FRU, turn it in the
direction as given by the arrow in the drawing.
6. When removing the FRU, move it in the direction as
given by the arrow in the drawing.
7. To put the new FRU in place, reverse the removal
procedure and follow any notes that pertain to
replacement. For information about connecting and
arranging internal cables, see “Locations” on page 113.
8. When replacing a FRU, use the correct screw as
shown in the procedures.
DANGER
Before removing any FRU, turn off the computer,
unplug all power cords from electrical outlets,
remove the battery pack, and then disconnect any
interconnecting cables.
Attention: After replacing a FRU, do not turn on the
computer until you have made sure that all screws,
springs, and other small parts are in place and none are
loose inside the computer. Verify this by shaking the
computer gently and listening for rattling sounds. Metallic
parts or metal flakes can cause electrical short circuits.
Attention: The system board is sensitive to, and can be
damaged by, electrostatic discharge. Before touching it,
establish personal grounding by touching a ground point
with one hand or by using an electrostatic discharge (ESD)
strap (P/N 6405959).
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Removing and replacing a FRU
(continued)
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Removing and replacing a FRU
6
When installing: Make hinge cap parallel to LCD, and
then pullup hinge to install well.
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Removing and replacing a FRU
1030 Hard disk drive
Attention
v
Do not drop or apply any shock to the hard
disk drive. The hard disk drive is sensitive to
physical shock. Incorrect handling can cause
damage and permanent loss of data.
v
v
Before removing the drive, have the user make a
backup copy of all the information on the drive if
possible.
Never remove the drive while the system is
operating or is in suspend mode.
For access, remove following FRU:
v
Step Screw (quantity)
ꢀ1ꢁ M3 × 4 mm, wafer-head,
Color
Torque
Black
0.294 Nm
(3 kgfcm)
nylon-coated (1)
(continued)
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Removing and replacing a FRU
When installing: Make sure that the hard disk is
connected firmly.
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Removing and replacing a FRU
1040 DIMM cover
For access, remove following FRU:
v
Note: Loosen the screws ꢀ1ꢁ, but do not remove them.
Step Screw (quantity)
ꢀ1ꢁ M2 × 3 mm, wafer-head,
Color
Torque
Black
0.157 Nm
(1.6 kgfcm)
nylon-coated (3)
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Removing and replacing a FRU
1070 MDC-2
For access, remove following FRUs, in order:
v
v
MDC-2 (IBM Integrated 56K Modem)
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 3.5 mm, wafer-head,
nylon-coated (2)
Silver
0.196 Nm
(2 kgfcm)
When installing: Route the modem cable as shown
below
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Removing and replacing a FRU
1080 BMDC-3
For access, remove following FRUs, in order:
v
v
BMDC (IBM Integrated Bluetooth IV with 56K Modem)
Step Screw (quantity)
ꢀ1ꢁ M2 × 3.5 mm, wafer-head,
Color
Torque
Silver
0.196 Nm
(2 kgfcm)
nylon-coated (2)
When installing:
v
Route the modem cable as shown below.
Route the Bluetooth antenna cable between the system
board and the BMDC-3.
v
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Removing and replacing a FRU
1090 Keyboard
For access, remove following FRU:
v
Remove 6 screws with keyboard icon to remove keyboard.
1
1
1
1
1
1
Step Icon
Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 6 mm, wafer-head, Black
nylon-coated (6)
0.196 Nm
(2 kgfcm)
(continued)
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Removing and replacing a FRU
Gently push the keyboard forward, as shown in step ꢀ2ꢁ.
Then lift up the keyboard slightly, as shown in step ꢀ3ꢁ.
Detach the keyboard connector to remove the keyboard.
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Removing and replacing a FRU
When installing: Follow the steps below.
1. Attach the connector.
2. Make sure that the keyboard edges, shown in the step
ꢀ2aꢁ, are under the frame. Then press the keys
indicated by step ꢀ2bꢁ to latch the keyboard firmly in
place.
3. To make sure that the front side of the keyboard is
housed firmly, gently press the keys with your thumbs
and try to slide the keyboard toward you, shown in the
step ꢀ3ꢁ.
4. Secure the keyboard by tightening the screws from the
bottom side of the computer.
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Removing and replacing a FRU
1100 Upper case
For access, remove following FRUs, in order:
v
v
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 6 mm, wafer-head,
nylon-coated (9)
Black
0.196 Nm
(2 kgfcm)
ꢀ2ꢁ
M2 × 3.5 mm, wafer-head,
nylon-coated (4)
Silver
0.196 Nm
(2 kgfcm)
(continued)
ThinkPad X41 Tablet 87
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Removing and replacing a FRU
Detach microphone cable, as shown in step ꢀ3ꢁ.
Gently lift upper case up, as shown in step ꢀ4ꢁ and ꢀ5ꢁ, to
remove upper case.
(continued)
88 MT1866/1867/1869
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Removing and replacing a FRU
When installing: Follow the steps below to make sure
that the upper case is installed firmly.
Note: After installing the upper case, route the wireless
LAN antenna cable as shown in ꢀ3aꢁ.
3a
Note: For the models have BMDC-3, route the wireless
LAN antenna cable and the Bluetoogh antenna
cable as shown in ꢀ3bꢁ.
3b
ThinkPad X41 Tablet 89
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Removing and replacing a FRU
1110 Backup battery
DANGER
Use only the battery specified in the parts list for
your computer. Any other battery could ignite or
explode.
For access, remove following FRUs, in order:
v
v
When installing: Make sure that the battery connector is
attached firmly.
90 MT1866/1867/1869
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Removing and replacing a FRU
1120 LCD assembly
For access, remove following FRUs, in order:
v
v
v
v
v
Before removing LCD assembly, release the cables as in
step ꢀ1ꢁ and ꢀ2ꢁ below. Then, remove the connector ꢀ3ꢁ.
Step Screw (quantity)
ꢀ4ꢁ M2 × 8 mm, wafer-head,
Color
Torque
Silver
0.196 Nm
(2 kgfcm)
nylon-coated (2)
(continued)
ThinkPad X41 Tablet 91
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Removing and replacing a FRU
Step Screw (quantity)
Color
Torque
ꢀ6ꢁ
M2.5 × 5 mm, wafer-head,
nylon-coated (2)
Black
0.294 Nm
(3 kgfcm)
ꢀ7ꢁ
M2.5 × 5 mm, wafer-head,
nylon-coated (2)
Black
0.294 Nm
(3 kgfcm)
(continued)
92 MT1866/1867/1869
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Removing and replacing a FRU
ThinkPad X41 Tablet 93
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Removing and replacing a FRU
1130 Hard disk housing assembly
For access, remove following FRUs, in order:
v
v
v
v
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 8 mm, wafer-head,
nylon-coated (2)
Silver
0.196 Nm
(2 kgfcm)
ꢀ2ꢁ
M2 × 3.5 mm, wafer-head,
nylon-coated (2)
Silver
0.196 Nm
(2 kgfcm)
94 MT1866/1867/1869
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Removing and replacing a FRU
1140 Top shielding
For access, remove following FRUs, in order:
v
v
v
v
v
v
v
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
M2 × 8 mm, wafer-head,
nylon-coated (2)
Silver
0.196 Nm
(2 kgfcm)
ꢀ2ꢁ
M2 × 3.5 mm, wafer-head,
nylon-coated (2)
Silver
0.196 Nm
(2 kgfcm)
ThinkPad X41 Tablet 95
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Removing and replacing a FRU
1150 System board
For access, remove following FRUs, in order:
v
v
v
v
v
v
v
v
v
Before removing system board, remove speaker cable first.
When installing: Make sure that the speaker cable is
firmly connected.
(continued)
96 MT1866/1867/1869
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Removing and replacing a FRU
Step Screw (quantity)
ꢀ2ꢁ M2 × 3.5 mm, wafer-head,
Color
Torque
Silver
0.1372 Nm
(1.4 kgfcm)
nylon-coated (2)
(continued)
ThinkPad X41 Tablet 97
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Removing and replacing a FRU
When installing: Attach the system board so that the two
small projections ꢀaꢁ and ꢀbꢁ on the
base cover fit into the holes provided,
and then secure the system board with
the screw.
a
b
98 MT1866/1867/1869
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Removing and replacing a FRU
For models with LV processor
Step Screw (quantity)
Color
Torque
ꢀ2ꢁ
M2 × 7.3 mm, wafer-head,
nylon-coated (4)
Silver
0.196 Nm
(2 kgfcm)
ꢀ3ꢁ
M2 × 3.5 mm, wafer-head,
nylon-coated (2)
Silver
0.196 Nm
(2 kgfcm)
100 MT1866/1867/1869
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Removing and replacing a FRU
2010 LCD bezel
For access, remove following FRUs, in order:
v
v
For models without fingerprint card
1a
2a
1a
2a
1a
2a
1b
1a
2b
2a
1b
2b
1a
2a
For models with fingerprint card
1a
2a
1a
2a
1a
2a
1b
1a
2b
2a
1b
2b
1c
2a
Step Screw (quantity)
Color
Torque
ꢀ2aꢁ M2.5 × 5 mm, wafer-head,
Black
0.294 Nm
(3 kgfcm)
nylon-coated (4)
ꢀ2bꢁ M2.5 × 8 mm, wafer-head,
Black
0.294 Nm
(3 kgfcm)
nylon-coated (2)
Note: The adhesive on the bezel would make bezel
removal difficult.
(continued)
ThinkPad X41 Tablet 101
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Removing and replacing a FRU
For models without fingerprint card
3
For models with fingerprint card
3
4
(continued)
102 MT1866/1867/1869
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Removing and replacing a FRU
When installing: The replacement bezel should have
adhesive pre-applied; therefore, remove
the covering from the bezel to expose
the adhesive, and then place the top
edge under the frame, shown as ꢀ1ꢁ,
then push the bezel down and secure
with the latches firmly. Be careful not to
make the bezel touch the Bluetooth
antenna from being deformed downward
or inward as ꢀBꢁ. Make sure Bluetooth
antenna is not deformed as ꢀAꢁ.
A
B
ThinkPad X41 Tablet 103
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Removing and replacing a FRU
2020 Hinge
For access, remove following FRUs, in order:
v
v
v
v
v
v
v
v
v
v
Step Screw (quantity)
ꢀ1ꢁ M2.5 × 5 mm, wafer-head,
Color
Torque
Black
0.294 Nm
(3 kgfcm)
nylon-coated (2)
(continued)
104 MT1866/1867/1869
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Removing and replacing a FRU
When installing: Fold the cable, shown as ꢀ1ꢁ, then
insert the cable into hinge, shown as
ꢀ2ꢁ.
ThinkPad X41 Tablet 105
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Removing and replacing a FRU
2030 Inverter card
For access, remove following FRUs, in order:
v
v
v
Step Screw (quantity)
ꢀ1ꢁ M2 × 3.5 mm, wafer-head,
Color
Torque
Silver
0.1568 Nm
(1.6 kgfcm)
nylon-coated (3)
(continued)
106 MT1866/1867/1869
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Removing and replacing a FRU
3
2
4
When installing: Make sure that all the connectors
attached firmly.
ThinkPad X41 Tablet 107
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Removing and replacing a FRU
ThinkPad X41 Tablet 109
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Removing and replacing a FRU
2050 Wireless LAN antenna cables and
Bluetooth antenna cable
For access, remove following FRUs, in order:
v
v
v
v
v
v
v
v
v
v
v
v
v
Remove wireless LAN antenna cables (AUX antenna ꢀ6ꢁ
and MAIN antenna ꢀ4ꢁ) first, and then remove Bluetooth
wireless antenna ꢀ2ꢁ.
Step Screw (quantity)
Color
Torque
ꢀ1ꢁ
ꢀ3ꢁ
ꢀ5ꢁ
M2 × 3.5 mm, wafer-head,
nylon-coated (1)
Silver
0.1568 Nm
(1.6 kgfcm)
M2 × 3.5 mm, wafer-head,
nylon-coated (2)
Silver
Silver
0.1568 Nm
(1.6 kgfcm)
M2 × 3.5 mm, wafer-head,
nylon-coated (1)
0.1568 Nm
(1.6 kgfcm)
110 MT1866/1867/1869
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Removing and replacing a FRU
2060 Digitizer assembly
For access, remove following FRUs, in order:
v
v
v
v
v
v
v
v
v
v
v
v
v
Step Screw (quantity)
ꢀ1ꢁ M2 × 2.5 mm, wafer-head,
Color
Torque
Silver
0.098 Nm
(1 kgfcm)
nylon-coated (2)
(continued)
ThinkPad X41 Tablet 111
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Removing and replacing a FRU
A
Note: One piece of tape, indicated as ꢀAꢁ, sticks between
digitizer board and LCD module. Be careful to
remove digitizer board slowly in step ꢀ2ꢁ.
When installing: If digitizer board is defective and needs
to be replaced, remove protection sheet
from tape before attaching digitizer
board to rear side of LCD module as
shown. Tpae can be reused if there is
no need to replace digitizer board.
112 MT1866/1867/1869
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Locations
Locations
Front view for X41 Tablet
ꢀ1ꢁ
ꢀ2ꢁ
Computer display
Power switch
ꢀ3ꢁ
ꢀ4ꢁ
ꢀ5ꢁ
ꢀ6ꢁ
Fingerprint reader (for some models)
Security keyhole
Modem connector
Ethernet connector
USB connector
ꢀ7ꢁ
ꢀ8ꢁ
Infrared port
ꢀ9ꢁ
SD card slot
ꢀ10ꢁ
ꢀ11ꢁ
ꢀ12ꢁ
ꢀ13ꢁ
ꢀ14ꢁ
ꢀ15ꢁ
Stereo headphone jack
Microphone jack
PC card slot
TrackPoint stick
Access IBM button
System status indicators
15
1
2
14
3
13
4
5
6
7
8
12
9
11
10
ThinkPad X41 Tablet 113
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Locations
Front View for X4 Dock
ꢀ1ꢁ
ꢀ2ꢁ
ꢀ3ꢁ
ꢀ4ꢁ
ꢀ5ꢁ
ꢀ6ꢁ
Power switch
Eject request button
Eject button
Docking connector
Ultrabay latch
Ultrabay slim device
Note: The Ultrabay slim device accepts several
storage devices, such as a DVD drive, a CD-RW
/ DVD combo drive, or a second hard disk drive.
Adjuster
ꢀ7ꢁ
ꢀ8ꢁ
Stereo speakers
1
2
8
3
7
6
4
5
116 MT1866/1867/1869
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Locations
Rear View for X4 Dock
ꢀ1ꢁ
ꢀ2ꢁ
ꢀ3ꢁ
ꢀ4ꢁ
ꢀ5ꢁ
ꢀ6ꢁ
ꢀ7ꢁ
ꢀ8ꢁ
ꢀ9ꢁ
ꢀ10ꢁ
Security lock key
Power jack
Security keyhole
Keyboard/mouse connector
USB connectors
Modem connector
Ethernet connector
Parallel connector
Serial connector
External monitor connector
10
9
8
7
1
6
5
2
4
3
ThinkPad X41 Tablet 117
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Parts list
Each FRU is available for all types or models, unless
v
v
specific types or models are specified.
A CRU (customer-replacable unit) is identified by a
single asterisk (*) or two asterisks (**) in the CRU ID
column. An N in the CRU ID column means the part is
not a CRU. A single asterisk (*) means the part is a Tier
1 CRU; two asterisks (**) means the part is a Tier 2
CRU.
v
v
FRUs marked with ꢀOPꢁ are available as options.
FRUs marked with ꢀRꢁ are RoHS compliant.
No. FRU
P/N
CRU
ID
a
1
2
LCD unit (see “LCD FRUs” on page 125).
Keyboard bezel (with release lever and
magnet)
26R9160
39T2541
39T2543
39T2545
N
*
3
Hard disk drive, 20 GB, 7 mm, 4,200
rpm with tray and screws, Hitachi ꢀOPꢁ
Hard disk drive, 30 GB, 7 mm, 4,200
rpm with tray and screws, Hitachi ꢀOPꢁ
*
Hard disk drive, 40 GB, 9.5 mm, 4,200
*
rpm with tray and screws, Hitachi ꢀOPꢁ
v
1866-1Cx, 1Gx, 2Cx, 2Gx, 3Gx, 4Cx,
4Dx, 4Gx, 5Gx, 6Gx, 6Hx, 4Ex, 6Jx,
GGx, DCx, EGx, DGx
v
v
v
1867-1Gx, 2Cx, 3Gx, 4Gx, 5Gx
1869-5Cx
1866-CTO, 83x, 87x, 8Gx, 97x, 9Gx,
A3x, A7x, ACx, ADx, AEx, B7x, BFU,
BGx, CGx, CHx
v
v
v
1867-CTO, 9Gx, AGx, BGx
1868-CTO, BCx, BGx
1869-CTO, BCx
Hard disk drive, 60 GB, 9.5 mm, 4,200
39T2547
*
rpm with tray and screws, Hitachi ꢀOPꢁ
v
v
1866-3Rx, 6Sx, 6Tx, Hxx
1866-CTO, 9Mx, 9Rx, 9Xx, BTx, CRx,
CTx, CXx, CYx, CZx
v
v
v
1867-CTO, 9Mx
1868-CTO, BXx, BZx, CUx, CZx
1869-CTO, CMx, CNx, CSx
4
5
Hard disk drive cover with pen latch
assembly
26R9162
41V9664
*
*
Hard disk drive cover with pen latch
assembly ꢀRꢁ
Fan assembly LV Dothan Alviso
Fan assembly ULV Dothan Alviso
26R9618
26R9619
N
N
ThinkPad X41 Tablet 119
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Parts list
No. FRU
P/N
CRU
ID
6
ThinkPad Integrated 56K Modem
(MDC-2)
39T0061
*
v
1866-1xx, 2xx, 3xx, 5xx, GGx, DCx,
EGx, DGx
v
v
1867-1xx, 2xx, 3xx, 5xx
1869-5Cx
ThinkPad Integrated 56K Modem
(MDC-2)
93P4212
*
v
v
v
v
1866-all except Axx, Cxx
1867-all except Axx
1868-all except Cxx
1869-all except Cxx
ThinkPad Integrated Bluetooth IV with
56K Modem (BMDC-3)
39T0024 **
39T0026 **
v
v
1866-4xx, 6xx, Hxx
1867-4xx
ThinkPad Integrated Bluetooth IV with
56K Modem (BMDC-3)
v
v
v
v
1866-Axx, Cxx
1867-Axx
1868-Cxx
1869-Cxx
7
Keyboard* (see “Keyboard” on page 127.)
(continued)
120 MT1866/1867/1869
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Parts list
No. FRU
P/N
CRU
ID
8
256-MB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card ꢀOPꢁ
73P3841
*
v
v
1866-1Cx, 1Gx, 2Cx, 2G
1867-1Gx, 2C
512-MB DDR2-533 SDRAM SO-DIMM
73P3843
*
(PC2-4200) card ꢀOPꢁ
v
1866-3Gx, 3Rx, 4Cx, 4Dx, 4Gx, 5Gx,
6Gx, 6Hx, 6Sx, 4Ex, 6Jx, 6Tx
1867-3Gx, 4Gx, 5Gx
v
v
1869-5Cx
1-GB DDR2-533 SDRAM SO-DIMM
(PC2-4200) card ꢀOPꢁ
73P3845
26R9166
26R9165
26R9322
26R9323
26R9324
26R9168
26R9167
26R9325
26R9326
26R9327
26R9328
26R9329
26R9330
26R9331
*
9
Lower case with label, 1866 Korea
N
N
N
N
N
N
N
N
N
N
N
N
N
N
v
1866-xxK
Lower case with label, 1866 WW
v
1866-All except xxK, xxG, xxV, xxC
Lower case with label, 1866 EMEA
v
1866-xxG
Lower case with label, 1866 Taiwan
v
1866-xxV
Lower case with label, 1866 China
v
1866-xxC
Lower case with label, 1867 Korea
v
1867-xxK
Lower case with label, 1867 WW
v
1867-All except xxK, xxG, xxV, xxC
Lower case with label, 1867 EMEA
v
1867-xxG
Lower case with label, 1867 Taiwan
v
1867-xxV
Lower case with label, 1867 China
v
1867-xxC
Lower case with label, 1868 WW
v
1868-All except xxK, xxG, xxV
Lower case with label, 1868 Korea
v
1868-xxK
Lower case with label, 1868 EMEA
v
1868-xxG
Lower case with label, 1868 Taiwan
v
1868-xxV
(continued)
ThinkPad X41 Tablet 121
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Parts list
No. FRU
P/N
CRU
ID
9
Lower case with label, 1869 WW
1869-All except xxG
26R9333
26R9335
N
v
Lower case with label, 1869 EMEA
1869-xxG
N
v
10 Speaker kit
39T0802
26R8536
41V9077
26R8537
13N5332
39T5519
N
*
11 X4 Dock assembly
X4 Dock assembly ꢀRꢁ
*
—
—
Adjuster
*
X4 Dock security screw
*
12 System board for LV 1.5 GHz Dothan
Alviso 256 MB with security chip
N
v
v
1866-2Cx, 2Gx
1867-2Cx
System board for LV 1.5 GHz Dothan
Alviso 512 MB with security chip
39T5521
39T5523
N
N
v
1866-3Gx, 3Rx, 4Cx, 4Dx, 4Gx, 5Gx,
6Gx, 6Hx, 6Sx, 4Dx, 6Jx, 6Tx
1867-3Gx, 4Gx, 5Gx
v
v
1869-5Cx
System board for ULV 1.2 GHz Dothan
Alviso 256 MB with security chip
v
v
1866-1Cx, 1Gx
1867-1Gx
System board for LV 1.6 GHz Dothan
Alviso 256 MB with security chip
41W1044
41W1046
41W1068
N
N
N
v
1866-DCx, DGx
System board for LV 1.6 GHz Dothan
Alviso 512 MB with security chip
v
1866-GGx, EGx, HSx, HTx
System board for ULV 1.2 GHz Dothan
Alviso 256 MB with security chip ꢀRꢁ
v
v
v
v
1866-CTO
1867-CTO
1868-CTO
1869-CTO
System board for LV 1.6 GHz Dothan
Alviso 256 MB with security chip ꢀRꢁ
41W1070
41W1072
N
N
v
1866-8xx
System board for LV 1.6 GHz Dothan
Alviso 512 MB with security chip ꢀRꢁ
v
v
v
v
1866-Axx, Bxx, Cxx, 9xx
1867-Axx, Bxx, 9xx
1868-Bxx, Cxx
1869-Bxx, Cxx
13 Mini-PCI and DIMM door with screws
26R8938
*
122 MT1866/1867/1869
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Parts list
No. FRU
P/N
CRU
ID
14 Battery 4-Cell Main battery Li-Ion Sanyo 92P1083
-W/W
*
v
v
v
v
v
v
v
1866-1Cx, 2Cx, 4Cx, 4Dx, DCx
1867-2Cx
1869-5Cx
1866-83x, 9Mx, A3x, ACx, ADx, AEx
1867-9Mx
1868-BCx, CUx
1869-BCx, CMx, CNx
Battery 8-Cell Main battery Li-Ion Sanyo 92P1085
-W/W
*
v
1866-1Gx, 2Gx, 3Gx, 3Rx, 4Gx, 5Gx,
6Gx, 6Hx, 6Sx, 6Jx, 6Tx, GGx, EGx,
DGx, Hxx
v
v
1867-1Gx, 3Gx, 4Gx, 5Gx
1866-87x, 8Gx, 97x, 9Gx, 9Rx, 9Xx,
A7x, B7x, BGx, BTx, CGx, CHx, CRx,
CTx, CXx, CYx, CZx
v
v
v
1867-9Gx, AGx, BGx
1868-BGx, BXx, BZx, CZx
1869-CSx
Extended battery
92P1007
92P1151
*
*
Extended battery - W/W ꢀRꢁ
(continued)
ThinkPad X41 Tablet 123
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Parts list
No. FRU
P/N
CRU
ID
—
Extended battery support bracket
26R9173
13N5312
27K9932
*
15 PC card slot mech
N
*
16 Intel PRO Wireless 2200BG Mini-PCI
Adapter (US, Canada) ꢀOPꢁ
Intel PRO Wireless 2200BG Mini-PCI
Adapter (Others) ꢀOPꢁ
27K9934
39T0355
39T0357
39T0427
27K9999
27K9936
27K9938
27K9940
27K9942
91P8318
*
*
*
*
*
*
*
*
*
N
ThinkPad 11a/b/g Wireless LAN
Mini-PCI Adapter II (US, Canada) ꢀOPꢁ
ThinkPad 11a/b/g Wireless LAN
Mini-PCI Adapter II (EMEA) ꢀOPꢁ
ThinkPad 11a/b/g Wireless LAN
Mini-PCI Adapter II (Japan) ꢀOPꢁ
ThinkPad 11a/b/g Wireless LAN
Mini-PCI Adapter II (Taiwan) ꢀOPꢁ
Intel PRO Wireless 2915ABG Mini-PCI
Adapter (US, Canada) ꢀOPꢁ
Intel PRO Wireless 2915ABG Mini-PCI
Adapter (EMIA) ꢀOPꢁ
Intel PRO Wireless 2915ABG Mini-PCI
Adapter (Japan) ꢀOPꢁ
Intel PRO Wireless 2915ABG Mini-PCI
Adapter (High-Band) ꢀOPꢁ
17 Microphone cable assembly
18 Backup battery (3 V with wire)
19 TrackPoint cap set
92P1004 **
91P9642
91P6831
39T0422
*
20 Cable assembly kit, RJ11
N
N
21 Fingerprint card
v
v
v
v
v
v
v
1866-5xx, 6xx, GGx, Hxx
1867-5xx, 6xx
1869-5Cx
1868-Bxx, Cxx
1867-Bxx
1868-Bxx, Cxx
1869-Bxx, Cxx
22 Fingerprint cable
91P6926
N
v
v
v
v
v
v
v
1866-5xx, 6xx, GGx, Hxx
1867-5xx, 6xx
1869-5Cx
1868-Bxx, Cxx
1867-Bxx
1868-Bxx, Cxx
1869-Bxx, Cxx
23 Pen (colored)
39T7303
*
124 MT1866/1867/1869
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Parts list
No. FRU
P/N
CRU
ID
1
LCD front bezel assembly 12.1-in. TFT
with seal
26R9157
N
v
1866-1Cx, 1Gx, 2Cx, 2Gx, 3Gx, 3Rx,
4Cx, 4Dx, 4Gx, 4Ex, DCx, EGx, DGx
1867-5Gx
1868-9xx, 8xx, Axx
1867-9xx
v
v
v
LCD front bezel assembly fingerprint
12.1-in. TFT with seal
26R9158
N
v
1866-5Gx ,6Gx, 6Hx, 6Sx, 6Jx, 6Tx,
GGx, Hxx
v
v
v
v
v
v
1867-1Gx, 2Cx, 3Gx, 4Gx
1869-5Cx
1868-Bxx, Cxx
1867-Bxx
1868-Bxx, Cxx
1869-Bxx, Cxx
2
3
Antenna cable set
91P6924
91P6925
N
N
Bluetooth antenna cable set
v
v
v
v
v
v
1866-4xx, 6xx, Hxx
1867-4xx
1866-Axx, Cxx
1867-Axx
1868-Cxx
1869-Cxx
4
5
6
7
8
LCD rear cover assembly, 12.1-in. TFT
LCD hinge assembly
26R9156
26R9163
26R9164
91P6927
39T0423
41W1109
92P5599
N
N
N
N
N
N
N
LCD hinge cap kit
LCD cable assembly
LCD inverter card
LCD inverter card ꢀRꢁ
9
LCD unit 12.1-in. XGA with protection
plate assembly AG/AR
10 LCD icon plate X41Tablet
11 Center latch assembly (LCD side)
12 Digitizer assembly
26R9171
26R9159
39T0805
91P6928
N
N
N
N
13 Digitizer cable assembly
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Parts list
Keyboard
Language
P/N (NMB) P/N
CRU
(Chicony) ID
Arabic
39T0821
39T0818
39T0832
39T0826
39T0815
39T0812
39T0810
39T0806
39T0807
39T0808
39T0811
39T0809
39T0828
39T7227
39T0827
39T0823
39T0816
39T0831
39T0833
39T0814
39T0824
39T0820
39T0822
39T0830
39T0829
39T0817
39T0834
39T0813
39T0819
39T0835
39T0825
39T0836
39T0883 **
Belgian
39T0880
39T0894
39T0888
39T0877
39T0874
39T0872
39T0868
39T0869
39T0870
39T0873
39T0871
39T0890
—
Chinese, Traditional
Czech
Danish
Dutch
English, U.K.
English, U.S.
French, Canadian
French, Canadian (058)
French, European
German
Greek
Greek
Hungarian
Hebrew
39T0889
39T0885
39T0878
39T0893
39T0895
39T0876
39T0886
39T0882
39T0884
39T0892
39T0891
39T0879
39T0896
39T0875
39T0881
39T0897
39T0887
—
Italian
Japanese
Korean
Norwegian
Polish
Portuguese
Russian
Slovakian
Slovenian
Spanish, European
Spanish, Latin American
Swedish / Finnish
Swiss
Thailand
Turkish
US English International
ThinkPad X41 Tablet 127
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Parts list
Recovery CDs
For Windows XP Tablet
Windows XP Tablet is preinstalled as the operating system
in following models:
v
1866-1Cx, 1Gx, 2Cx, 2Gx, 3Gx, 3Rx, 4Cx, 4Dx, 4Gx,
5Gx, 6Gx, 6Hx, 6Sx, 4Ex, 6Jx, 6Tx
1867-1Gx, 2Cx, 3Gx, 4Gx, 5Gx
1869-5Cx
v
v
Language
P/N
CRU
ID
Chinese, Simplified
Chinese, Traditional
Czech
39K8970
39K8971
39K8963
39K8961
39K8962
39K8955
39K8951
39K8964
39K8952
39K8953
39K8969
39K8957
39K8958
39K8972
39K8959
39K8965
39K8956
39K8966
39K8968
39K8954
39K8960
39K8967
*
Danish
Dutch
English, U.K.
English, U.S.
Finnish
French
German
Hungarian
Italian
Japanese
Korean
Norwegian
Polish
Portuguese, Brazilian
Russian
Slovenian
Spanish
Swedish
Turkish
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Parts list
Miscellaneous parts
FRU
P/N
CRU
ID
Screw pack:
26R9169 N
v
v
v
v
v
v
v
v
Screw wafer M2.5 x 5 B-ZN (10)
Screw M2.5 x 8L B-ZN nylok 700 (3)
Screw mach wafer M3 x L4 ZN (1)
Screw mach wafer M2 x L3.5 ZN (29)
Screw mach wafer M2 x L2.5 ZN (3)
Screw wafer M2 x L8 NI (6)
Screw M2 x L6 ZN (15)
Screw hex with spring (2)
Base cover miscellaneous parts kit:
26R9170 N
v
v
v
v
v
v
v
Knob battery lock
Lens IR
Battery latch knob
Battery latch
Battery lock
SPG battery
Spring CDROM DD
Rubber kit
26R9172
26R9161
*
System miscellaneous parts kit:
N
v
v
v
v
v
Assembly I/O bracket
Assembly holder heat sink
LCD bezel screw mylar
(a) Top shielding
Fingerprint bracket
Note: Italicized letter in parentheses is
reference to the exploded view on page 118.
AC adapters
FRU
P/N
CRU
ID
2-pin (56 W, 16 V) AC adapter ꢀOPꢁ
v
Models-CTO, xxE, xxF, xxJ, xxP, xxS, xxU, xxY
DELTA
02K6814
02K6816
92P1045
*
*
*
LITEON
LITEON ꢀRꢁ
3-pin (56 W, 16 V) AC adapter ꢀOPꢁ
Models-CTO, xxA, xxB, xxC, xxG, xxH, xxK, xxM, xxQ, xxV
v
DELTA
02K6813
02K6815
92P1043
*
*
*
LITEON
LITEON ꢀRꢁ
ThinkPad X41 Tablet 129
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Parts list
Common parts list
Tools
Tool
P/N
Triconnector wrap plug
PC test card
72X8546
35G4680
66G5180
05K2580
95F3598
05K4695
05K4694
27L8126
1650840
93F2838
00P6967
—
Audio wrap cable
USB parallel test cable
Screwdriver kit
Torque screwdriver
5 mm socket wrench
Screwdriver
1/4" drive spinner handle
1/4" Sq. to 1/4" hex torx adapter
TR7-TR-10 tamper resistant torx bits
ThinkPad Hardware Maintenance Diskette Version
1.71 or later
Note: Download the file from the following Web site:
Power cords (system)
A ThinkPad power cord for a specific country or region is
usually available only in that country or region:
For 2-pin power cords:
Country or region
P/N
CRU
ID
Argentina
36L8870
39M5020
74P4331
39M5040
13H5264
39M5016
**
Argentina ꢀRꢁ
Japan
Japan ꢀRꢁ
US and Canada
US and Canada ꢀRꢁ
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Parts list
For 3-pin power cords:
Country or region
P/N
CRU
ID
Australia and New Zealand
Australia and New Zealand ꢀRꢁ
China (P.R.C.)
China (P.R.C.) ꢀRꢁ
Denmark
76H3514 **
39M4960
02K0539
39M4996
76H3520
39M4968
76H3518
39M4964
76H3532
39M4988
76H3530
39M4984
76H3535
39M5000
76H3522
39M4972
76H3528
39M4980
76H3524
39M4976
76H3516
39M4955
Denmark ꢀRꢁ
Europe
Europe ꢀRꢁ
Israel
Israel ꢀRꢁ
Italy
Italy ꢀRꢁ
Korea
Korea ꢀRꢁ
South Africa and India
South Africa and India ꢀRꢁ
Switzerland
Switzerland ꢀRꢁ
U.K.
U.K. ꢀRꢁ
U.S., Canada, and Thailand
U.S., Canada, and Thailand ꢀRꢁ
ThinkPad X41 Tablet 131
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Parts list
Telephone cable
Country or region
P/N
CRU
ID
Australia
27L0467
27L0449
27L0451
27L0447
27L0446
27L0443
27L0441
27L0448
27L0444
27L0462
27L0450
27L0445
27L0442
27L0465
**
Austria
Belgium
Denmark
Finland, Norway
France
Germany
Italy
Holland
Switzerland
Spain
Sweden
U.K., Ireland, New Zealand
U.S., Canada, Japan, Taiwan, APS, Brazil
132 MT1866/1867/1869
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Notices
Notices
Lenovo may not offer the products, services, or features
discussed in this document in all countries. Consult your
local Lenovo representative for information on the products
and services currently available in your area. Any
reference to a Lenovo product, program, or service is not
intended to state or imply that only that Lenovo product,
program, or service may be used. Any functionally
equivalent product, program, or service that does not
infringe any Lenovo intellectual property right may be used
instead. However, it is the user’s responsibility to evaluate
and verify the operation of any other product, program, or
service.
Lenovo may have patents or pending patent applications
covering subject matter described in this document. The
furnishing of this document does not give you any license
to these patents. You can send license inquiries, in writing,
to:
Lenovo (United States), Inc.
500 Park Offices Drive, Hwy. 54
Research Triangle Park, NC 27709
U.S.A.
Attention: Lenovo Director of Licensing
LENOVO GROUP LTD. PROVIDES THIS PUBLICATION
“AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. Some jurisdictions do
not allow disclaimer of express or implied warranties in
certain transactions, therefore, this statement may not
apply to you.
This information could include technical inaccuracies or
typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in
new editions of the publication. Lenovo may make
improvements and/or changes in the product(s) and/or the
program(s) described in this publication at any time without
notice.
The products described in this document are not intended
for use in implantation or other life support applications
where malfunction may result in injury or death to persons.
The information contained in this document does not affect
or change Lenovo product specifications or warranties.
Nothing in this document shall operate as an express or
implied license or indemnity under the intellectual property
rights of Lenovo or third parties. All information contained
in this document was obtained in specific environments
ThinkPad X41 Tablet 133
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Notices
and is presented as an illustration. The result obtained in
other operating environments may vary.
Lenovo may use or distribute any of the information you
supply in any way it believes appropriate without incurring
any obligation to you.
Any references in this publication to non-Lenovo Web sites
are provided for convenience only and do not in any
manner serve as an endorsement of those Web sites. The
materials at those Web sites are not part of the materials
for this Lenovo product, and use of those Web sites is at
your own risk.
Any performance data contained herein was determined in
a controlled environment. Therefore, the result obtained in
other operating environments may vary significantly. Some
measurements may have been made on development-level
systems and there is no guarantee that these
measurements will be the same on generally available
systems. Furthermore, some measurements may have
been estimated through extrapolation. Actual results may
vary. Users of this document should verify the applicable
data for their specific environment.
134 MT1866/1867/1869
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Trademarks
Trademarks
The following terms are trademarks of Lenovo in the
United States, other countries or both:
Lenovo
ThinkPad
ThinkPad Port Replicator
TrackPoint
Ultrabay
The following terms are trademarks of the International
Business Machines Corporation in the United States, other
countries, or both:
IBM (used under license)
Microsoft, Windows, and Windows NT are trademarks of
Microsoft Corporation in the United States, other countries,
or both.
Intel and Pentium are trademarks or registered trademarks
of Intel Corporation or its subsidiaries in the United States
and other countries.
Other company, product, or service names may be the
trademarks or service marks of others.
ThinkPad X41 Tablet 135
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Part Number: 39T9290
(1P) P/N: 39T9290
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