Seagate HAWK ST15230DC User Manual

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HAWK 4 Family:  
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(Wide Bus)  
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ST15230W/WD/WC  
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ST15230DC  
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Installation Guide  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
1
___________________________________________  
Introduction  
Beforeattemptinganyinstallation,pleasereadthrough  
all applicable sections of this document, including all  
warnings and cautions.  
Warning. This equipment generates, uses and can  
radiate radio frequency energy and if not  
installed in accordance with these instruc-  
tions,maycauseinterferencetoradiocom-  
munications.  
Electromagnetic interference (EMI) con-  
siderations  
The drive(s) described herein, as delivered, are de-  
signed for system integration and installation into a  
suitable enclosure prior to use. As such, the drive(s)  
described herein are supplied as a sub-assembly and  
arenotsubjecttoSubpartJofPart15oftheFCCRules  
and Regulations nor the Radio Interference Regula-  
tionsoftheCanadianDepartmentofCommunications.  
However, theunithasbeentestedusingpropershield-  
ing and grounding and found to be compliant with the  
Class A limits of the FCC Rules and the Regulations of  
the Canadian Department of Communications.  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
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The physical design characteristics of the drive(s)  
described herein, serve to minimize EMI radiation  
when installed in an enclosure that provides reason-  
able shielding. As such, the drive(s) are capable of  
meeting the Class B limits of the FCC Rules and the  
RegulationsoftheCanadianDepartmentofCommuni-  
cations.  
Note. It is the end users' responsibility to assure that  
the drive(s) described herein meet the appro-  
priateEMIrequirementsoftheirsystem.Shielded  
I/O cables may be required if the enclosure does  
not provide adequate shielding. If I/O cables are  
externaltotheenclosure,shieldedcablesshould  
be used, with the shields grounded to the enclo-  
sure and to the host controller.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
3
___________________________________________  
Before you begin  
Verify that the system is switched off and discon-  
nected from main power before any installation is  
attempted.  
Protect yourself, the drive, and your valuable pro-  
grams and data by reading the following cautions  
and warnings.  
• Do not unpack drive from its static shielded bag until  
you are ready to install it in the system.  
• Always handle the drive by the frame or casting.  
• Do not touch printed circuit board (PCB) or the I/O  
connector pins.  
• Never apply pressure to the PCB or to the drive top  
cover.  
• Do not tamper with sealed top cover. Doing so voids  
your warranty. The drive contains no user service-  
able components. See Product Repair section for  
more information.  
• Visually inspect the shipping container for any obvi-  
ous damage.  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
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• Inspectdriveforpossibleshippingdamage.Allclaims  
of this type should be filed promptly with the trans-  
porterinvolved.Saveoriginalpackingmaterialstobe  
used when reshipping.  
• Verifyallpartslistedonshippingbillarereceivedwith  
the equipment. Discrepancies or damage should be  
reported to the shipping company.  
• When transporting or shipping a drive or system,  
please ensure that they are correctly packed in  
original Seagate approved (or equivalent) container  
and shipped via an air-ride carrier experienced in  
handling computer equipment.  
Caution. Thecircuitassembliesandcomponentscon-  
tained in this equipment can be degraded or  
destroyedbyElectrostaticOverstress(EOS)  
or by Electrostatic Discharge (ESD).  
Static electrical charges can accumulate  
quickly on personnel, clothing and synthetic  
materials. The electrostatic fields due to  
these charges when brought in close prox-  
imity to susceptible circuit assemblies and  
components, canresultindegradedreliabil-  
ity or immediate failure of the affected com-  
ponent or assembly.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
5
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To insure optimum reliable equipment op-  
eration, it is required that technical support  
personneldischargethemselvesbywearing  
a grounding strap around the wrist and be  
connected to a grounding terminal while  
working in the vicinity of, and while handling  
EOS/ESD susceptible assemblies/parts. If  
unavailable, ground yourself frequently by  
touching the metal chassis of the system  
before handling any components (this helps  
only if the system is connected to a ground).  
Avoid static-inducing carpeted areas. This  
procedureisespeciallyimportantwhenhan-  
dling printed circuit boards (PCBs).  
6
Hawk 4 (Wide) Family Install Guide, Rev. A  
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Safety instructions  
1. The disc drive(s) are to be installed in a customer  
suppliedenclosurewherethesurroundingairdoes  
not exceed 50oC.  
2. Four (4) 6-32 UNC-2A screws are required for  
installation. Maximum screw length into side of  
drive is 0.15 inches (3.81 mm). Maximum screw  
length into bottom is 0.20 in. (5.08 mm). Maximum  
screw tightening torque is 6.0 in-lb (.675 NM) with  
minimum thread engagement of .12 in. (3.05 mm).  
3. The power requirements are shown in Section 1.0  
Product Information.  
4. The power supply must satisfy the safety require-  
ments for SELV (Safety Extra Low Voltage) cir-  
cuits.  
5. Service is to be provided by trained Seagate ser-  
vice personnel.  
6. The incorporation of the disc drives listed in this  
guide into a customer enclosure must meet the  
appropriate safety requirements of the country in  
which it is used (e.g. UL 1950, CAN/CSA-C22.2  
No. 950-M89, DIN VDE 0805:1993 and EN60950:  
1992 (IEC 950).  
Note. Power must be off when connecting or discon-  
necting.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
7
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Sicherheitsanleitung  
1. DäsGerätisteinEinbaugerät,vorgesehenfüreine  
maximale Umgebungstemperatur von 50oC.  
2. Zur Befestigung der Drive werden 4 Schrauben  
benötigt (6-32 UNC-2A). Die maximale Länge der  
Schrauben in der unteren Seite des Chassis darf  
nicht mehr als 0.20 in (5.08 mm) betragen, die in  
der oberen 0.15 in (3.81 mm). Maximalle  
Schraubenanziehung von 6.0 in-lb. (.675 NM) mit  
minimalen Gewindeansperuch .12 in. (3.05 mm).  
3. Die Versorgungsspannungen werden im Kapitel  
1.0 (Produkt Information) gezeigt.  
4. Die Versorgungsspannung muss SELV entspre-  
chen.  
5. AlleArbeitendürfennurvonausgebildetemSeagate  
Service-Personal durchgefürhrt werden.  
6. Der Einbau des Drives muss den Anforderungen  
gemässDINVDE0805:1993oderEN60950:1992  
(IEC 950).  
Vorsicht  
ÁnsehlussoderEntfernungolerGeräteverbindungnur  
beiabgeschalteterVersorgungsspannungvornehmen.  
8
Hawk 4 (Wide) Family Install Guide, Rev. A  
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Installation Overview  
Installation of the drive can be divided into distinct  
phases as outlined below. Some of these may not be  
applicable to your particular installation requirements.  
Refer to the individual drive installation sections for  
specific information on your drive model.  
Drive configuration: The user must select which of  
thedrivefeaturesareappropriatetoenableforinstal-  
lation in their system. This is done by way of the user  
configuration jumpers found on the drive PCB.  
Mechanical installation: After setting up the drive  
configuration the drive must be mechanically in-  
stalled into the host system and the power and I/O  
cables attached. Previously mentioned precautions  
should be observed  
SCSI drives should not be defined in the CMOS:  
The SCSI Host adapter has its own BIOS to handle  
the Input/output procedures. The CMOS setting for  
SCSI drive is either drive type zero, or the "no drive  
installed" option.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
9
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Low-level formatting: After the drive has been  
properly configured for the system, it does not need  
to be low-level formatted, as this has been done by  
the factory and does not require this step during  
installation. (The low-level format writes the sector  
boundariesandtrackinformationtothedrive).Defect  
managementinformationisreadfromthedrivebythe  
host system when required in the installation proce-  
dure. If an installed drive is low-level formatted, all  
user data stored on the drive will be lost.  
Note. SeagateTechnologyassumes noliability for  
lost user data.  
Partitioningandhighlevelformatting:A drivecan  
be sub-divided into "partitions" which behave as  
individual drives within the system. See your system  
documentation. Present day drive installation pro-  
grams have menus that lead you through these  
installation procedures.  
10  
Hawk 4 (Wide) Family Install Guide, Rev. A  
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Product repair information  
Service requirements  
The special facilities required for the manufacture of  
these drives generally prohibit repair in the field. If  
problemsoccurduringinstallation,pleasecontactyour  
supplier for assistance. Do not attempt to disassemble  
or repair. Drives should be sent to the repair depot  
through the purchase source, if possible. Please ob-  
serve the following cautions.  
Caution.  
• Handle drive with care. Do not drop or bump hard.  
Never remove the cover of these disc drives. Serv-  
icing items in the sealed HDA (heads, media, actua-  
tor, etc.) require special facilities. The drive contains  
no user purchasable parts or PCBs.  
• Opening the sealed HDA voids the drive warranty.  
• Applyingasolderingdevicetothecomponentsonthe  
PCB voids the drive warranty.  
• Place drive on a flat, static dissipative surface and  
handle with extreme care. Always follow all EOS/  
ESD precautions to avoid damage to the electrical  
assemblies.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
11  
___________________________________________  
Shipping: When transporting or shipping a drive, a  
Seagate approved container must be used. Keep your  
original box. They are easily identified by the Seagate  
Approved Package label. Shipping a drive in a non-  
approved container voids the drive warranty.  
Seagate repair centers may refuse receipt of compo-  
nents improperly packaged or obviously damaged in  
transit. Contact your Authorized Seagate Distributor to  
purchaseadditionalboxes.Seagaterecommendsship-  
ping by an air-ride carrier experienced in handling  
computer equipment.  
Product repair and return information  
Seagatecustomerservicecentersaretheonlyfacilities  
authorized to service Seagate drives. Seagate does  
not sanction any third-party repair facilities. Any unau-  
thorized repair or tampering with the factory-seal voids  
the warranty.  
Warranty: Contact your Seagate Authorized Distribu-  
tor, Dealer or other purchase source for warranty  
information.  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
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If the drive is no longer under warranty contact pur-  
chasesourceforrepairinformationorrefertonumbers  
listed in the following paragraph .  
Technical support services  
Please contact your dealer for technical support and  
installation troubleshooting. Product Technical Sup-  
port is available for all Seagate products by calling the  
SeaFAX, SeaFone, SeaTDD or SeaBOARD services.  
These are toll calls.  
SeaFAX: United States  
England  
408/438-2620  
44-62-847-7080  
You can use a Touch-Tone telephone to access  
Seagate's automated FAX delivery system and select  
technicalsupportinformationbyreturnFAX. Thisserv-  
ice is available 24 hours a day, 7 days a week.  
SeaFone: 408/438-8222  
The enhanced phone system provides recorded tech-  
nical information on selected Seagate products while  
you are on hold. Technical support specialists are  
availabletoanswerquestionsfrom8:00AMto5:00PM  
PST, Monday through Friday. Recordings are acces-  
sible 24 hours a day, 7 days a week.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
13  
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SeaTDD: 408/438-5382  
TDD is a Telecommunication Device for the Deaf  
where two people can communicate using a keyboard  
that is connected to the phone line. A TDD device is  
requiredtoaccessthisservice.Thisserviceisavailable  
from8:00AMto5:00PMPST,MondaythroughFriday.  
SeaBOARD:  
TheSeagateTechnicalSupportBulletinBoardSystem  
(BBS) is available 24 hours a day, 7 days a week. A  
modem is required to access this service. Modem  
required. (300–9600 baud, 8-N-1). This is a toll call.  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
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With this service you can access:  
• Specifications and jumper configurations for all  
Seagate products.  
• Reprints of Seagate documentation.  
Adirectoryofinformationandhelpfulutilitiesthatyou  
can download to your own computer.  
BBS  
Modem  
Location  
USA, Mexico, Latin America  
Canada  
England  
France  
Germany  
Singapore  
Australia  
Number  
408/438-8771  
416/856/5581  
44-62-847-8011  
33-1-40-67-1034  
49-89-140-9331  
65-292-6973  
61-2-756-2359  
82-2-556-7294  
Korea  
Note: These are toll calls  
Hawk 4 (Wide) Family Install Guide, Rev. A  
15  
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Drive specifications  
Product  
Hawk 4 family (wide)  
Information  
ST15230W  
ST15230WD  
ST15230WC ST15230DC  
Interface [7]  
Cache Type  
Capacity MB  
Unformatted  
Formatted [1]  
Cylinders  
SCSI-2 Fast  
Multi-segmented, 256 Kb*  
SCSI-2 Fast  
5170  
4294  
3992  
19  
5170  
4294  
3992  
19  
Heads  
Sectors/track (Avg.)[8] 114  
114  
Recording method  
Rev/min  
RLL (1,7)  
5411  
RLL (1,7)  
5411  
Seek time (ms typ.) [2]  
Average  
Read  
Write  
10.4  
11.4  
10.4  
11.4  
Operating environment  
Ambient temp. [4]  
HDA max temp. [3]  
------ 5oC to 50oC-----  
-----------60oC----------  
Power requirements (Versorgungsspannungen)  
+12 V+/-5% (Max [6]  
(Max Start) [5]  
+5 V +/-5% (Max) [6]  
(Max Start)  
1.0 A  
2.0 A  
0.8 A  
0.8 A  
9.0 W  
11.0 W  
1.0  
2.4  
1.05 A  
0.71 A  
9.5  
12.0 W  
A
A
Power Idle  
Oper. (Typ)  
*Optional 1 MB  
(Typ)  
W
16  
Hawk 4 (Wide) Family Install Guide, Rev. A  
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Notes.  
[1] Standardunits arefactoryformattedwith512data  
bytes per sector. ST15230 OEM standard models  
have twelve spare sectors per cylinder and 2  
cylinders at inner tracks reserved for spares.  
[2] Does not Include on-board controller overhead.  
[3] Maximum measured at any location on top cover.  
[4] For best reliability keep below 35oC (95oF).  
[5] Adroopofupto-10%ispermissibleforamaximum  
of 10 seconds at power up. (abfall von -10% ist  
erluabt für 10 Sekunden max).  
[6] Measured with an average reading DC ammeter.  
Instantaneous +12 V current peaks will exceed  
these values.  
[7] CanbecommandedtooperateaccordingtoSCSI-  
1 protocol.  
[8] Average only. Each different zone has a different  
number of sectors per track.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
17  
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Initial setup information  
For the initial setup connect the cables, set the SCSI  
bus address and enable or disable (as required by  
system configuration), the SCSI I/O line terminator  
resistors (model "W" drives only). Note whether the  
drive model number ends in W, WC, DC or WD. These  
procedures are described in paragraphs following.  
SCSI interface cable connection  
The drives covered by this manual are SCSI interface  
drives. For "W" and "WD"" models, system connection  
is via a 68 pin, SCSI connector. For "WC and DC"  
models system connection is via an 80 pin SCSI  
connector.Normally"WCandDC"modelsplugdirectly  
intoaPCBorbulkheadmountedmating80pinconnec-  
tor. Interfacing "WC and DC" models via a cable is not  
recommended. Pin 1 is noted in Figures 1a and 1b.  
Some cables have a contrasting color stripe on one  
edge to indicate pin 1. The I/O connector is keyed by  
virtue of its shape. There is only one way it can mate  
with the mating input connector. Strain relief is recom-  
mended at the cable for drives using cables. Do not  
block system cooling air flow in routing of cables.  
DC Power connection  
ModelST15230W/WDfamilydrivesreceiveDCpower  
through a 4 pin connector mounted on the PCB next to  
the SCSI I/O connector. See Figure 1.  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
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J1  
J1-Auxiliary  
Pin Power  
1P +12V  
2P +12V ret  
3P + 5V ret  
4P + 5V  
4P 3P 2P 1P  
DC Power  
68 Pin SCSI I/O  
Connector  
Connector  
Figure 1. DC power connection, 68 pin SCSI I/O  
connector  
ST15230WC and ST15230DC model drives receive  
power from the host computer through the 80 pin  
combined SCSI I/O and power connector (not shown,  
since a separate DC power cable not required). No  
separate DC power connector is provided on the drive.  
SCSI address selection  
On "W" and "WD" model drives, make sure that the  
SCSIbusaddressjumperplugsareproperlysetforthe  
bus address assigned to the drive. In some systems, a  
cableplugsintoeitherJ6orJ1auxiliary, sodriveIDcan  
besetatsomeremotelocation. SeeFigures3aand3b  
showingthebusaddressselectheaderandthejumper  
configurationsthatselectaddresses0through15. ID7  
has the highest priority during bus arbitration on (both  
8 and 16 device systems). Bus arbitration priority  
decreases to ID 0, then ID 15 down to ID 8. ID 8 is the  
verylowestpriority.Typicallytheprimarybootdeviceis  
set to ID 0 the host is ID 7, and the subsequent SCSI  
drives are jumpered as appropriate for the particular  
system involved.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
19  
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If the drive LED shows no on/off activity when the host  
is trying to communicate with it, an incorrect bus  
address selection at the drive (or remote ID select  
location) should be suspected.  
On "WC and DC" model drives the SCSI ID can be and  
presumably will be, set over the 80 pin interface by the  
host computer. Unless directed to do so by the system  
documentation, no jumpers should be installed for  
address selection. On "WC and DC" model drives, the  
hostsystemalsohascompletecontrolovermotorstart  
functions, so no Motor Start or Delayed Motor Start  
Jumpers should be installed.  
Terminator resistor packs  
ModelST15230WfamilydriveshaveI/Olineterminator  
resistors that are permanently installed, but can be  
enabled or disabled by jumper plug. See jumper in  
Figure 3a. If you are installing a single drive, the  
terminator resistors must remain enabled. If you are  
installingmultipleharddiscdrives,disablethetermina-  
tion resistors from all the drives but the one connected  
to the end of the SCSI I/O cable.  
20  
Hawk 4 (Wide) Family Install Guide, Rev. A  
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Modelnumbersthatendin"WDandDC"havedifferen-  
tialI/Ocircuitsandthesedrivesand"WC"modeldrives  
have no provisions for terminators on the drive PCB.  
The system manufacturer must provide some external  
means of I/O line termination. The ST15230W/WD  
drives can provide power for external terminators if the  
TP jumper is installed on the last position on the right  
end of J2. See Figure 3a. Do not mix "W" model and  
"WD" model drives on the same I/O bus. Do not mix  
"WC" and "DC" model drives on the same bus.  
Read/Write head auto-park  
Seagatediscdrivesdescribedhereinmentionedinthis  
drive park the heads automatically at power off. This  
feature requires no operator intervention.  
Optional parity bit enable  
Some systems require parity bit checking. Consult the  
system documentation for the specific requirements.  
See Figure 3a for location of Parity Bit enable jumper.  
Jumper-installed enables parity reporting by the SCSI  
bus.  
Write precompensation and reduced write  
current  
NotrequiredonSeagateSCSIInterfacedrivescovered  
by this manual.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
21  
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J1-DC Power  
Pin 1P  
J1-Auxiliary  
Pin 1A  
J1 Pin 1  
J2  
68 Pin  
SCSI I/O  
Connector  
J6  
Figure 2a. Hawk 4 family ST15230W/WD model I/O con-  
nection 68 pin SCSI I/O and DC power con-  
nector). Terminators are not provided.  
J2  
80 Pin  
SCSI I/O  
and DC Power  
Connector  
Pin 1  
J6  
Figure 2b.Hawk 4 family ST15230WC/DC model drive  
physical interface (80 pin SCSI I/O and DC  
power connector). Terminators are not pro-  
vided.  
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Hawk 4 (Wide) Family Install Guide, Rev. A  
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Drive configuration  
Eachdiscdrivehasoptionselectheaderconnectorson  
the back, side and front where jumper plugs are in-  
stalled to select the way that the drive is to be config-  
ured and to select its ID (0 - 15) on the I/O bus. See  
"Initial set-up information" and see notes following  
Figure 3b.  
ST15230W/WD family 68 pin SCSI I/O drives  
OnHawk4family,W/WDmodeldriveseitherJ6(onthe  
front of the drive) or J1-auxiliary (at the rear, beside the  
DC Power connector) may be used to set the drive ID.  
To avoid possible incorrect ID setting, do not use both  
J1-auxiliary and J6 for ID selection. The following  
figures show where these headers are located on the  
different drives covered by this manual. See notes  
following Figures 3a and 3b where explanations are  
givenaboutthepurposeofeachjumperandspecifythe  
standard factory (called "default") settings of these  
jumpers (i.e., settings used for most common single  
driveapplication).Changestothesesettingsshouldbe  
made only if it is known that the system requires a  
different configuration.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
23  
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ST15230WC/DC family 80 pin SCSI I/O drives  
OnHawk4family,ST15230WC/DCmodeldrivesthere  
isnoJ1-auxiliary.J6canbeusedtosetdriveID,butthe  
host probably does it over the 80 pin interface. J6 may  
be used to drive the external drive activity LED. This is  
described in the notes following Figure 3b.  
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SCSI I/O  
Connector  
Drive with HDA up,  
PCB down, viewed from front  
Pin 1  
End  
Pin 1  
HDA  
J6  
Drive Front  
J1-  
SCSI I/O  
J6 [1]  
See  
Figure  
3b  
J1-  
Auxiliary  
Reserved  
A
J1-DC Power  
Connector  
A
A
A
3
2
1
0
SCSI ID = 0  
SCSI ID = 1  
SCSI ID = 2  
SCSI ID = 3  
SCSI ID = 4  
SCSI ID = 5  
SCSI ID = 6  
SCSI ID = 7  
SCSI ID = 8  
SCSI ID = 9  
SCSI ID = 10  
SCSI ID = 11  
SCSI ID = 12  
SCSI ID = 13  
SCSI ID = 14  
SCSI ID = 15  
J2  
Pin 1  
J2  
[8]  
S
S
Jumper  
Positions  
Enable  
Terminator  
T
E
D
S
M W  
P
P
E
T
P
T
P
E
[3]  
Delay  
Motor Start  
Enable  
Motor Start  
Write Protect  
[7]  
Parity Option  
Term. Power  
from Drive  
Term. Power  
to SCSI Bus  
Term. Power  
from SCSI Bus  
[5]  
[6]  
[5]  
Position A  
Shipped with cover installed.  
Do not install jumpers; retain cover  
unless 20 pin plug is installed.  
Reserved  
Host  
Alternate  
Usage Plug:  
[4]  
Pins  
11  
9
7
5
3
1
8
6
4
2
Optional connections to switching circuits in host  
equipment to establish drive ID. Pins 2, 4, 6 and 8 are  
driven low for 250 ms after PWR ON and reset to  
+5V  
Ground  
[4]  
allow jumper selectable SCSI ID.  
Remote LED  
[4] Dashed area is optional host circuitry (external to the drive) connected to host  
supplied optional usage plug. Drive PCB circuitry for Pin 8 includes a 150 series resistor.  
Do not connect anything to pins 13-20.  
Figure 3a. Drive configurator Hawk 4 family  
ST15230W/WD model (Wide bus)  
Hawk 4 (Wide) Family Install Guide, Rev. A  
25  
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68 Pin SCSI I/O  
Connector  
J1-Auxiliary  
Pin 1A [2]  
Drive  
HDA  
Pin 1  
J1-DC Power  
4P  
3P 2P  
1P  
J1  
PCB  
SCSI ID = 0  
SCSI ID = 1  
SCSI ID = 2  
SCSI ID = 3  
SCSI ID = 4  
SCSI ID = 5  
SCSI ID = 6  
SCSI ID = 7  
[3]  
SCSI ID = 8  
SCSI ID = 9  
SCSI ID = 10  
SCSI ID = 11  
SCSI ID = 12  
SCSI ID = 13  
SCSI ID = 14  
SCSI ID = 15  
A
A
A
A
1
3
2
1
0
Host Time Shared  
Alternate Usage:  
[4]  
+5V Ground  
11  
9
7
5
3
Optional connections to switching circuits  
in host equipment to establish drive ID.  
Pins 2, 4, 6 and 8 are driven low for  
250 ms after PWR ON and reset to  
allow jumper selectable SCSI ID. [4]  
Busy  
[4] Dashed area is optional host circuitry (external  
to the drive) connected to host supplied optional  
usage plug. Drive PCB circuitry for Pin 8 includes  
a 150 series resistor.  
Do not connect anything to pins 13-20.  
Figure 3b. Drive configurator Hawk 4 family  
ST15230W/WD model (Wide bus)  
26  
Hawk 4 (Wide) Family Install Guide, Rev. A  
___________________________________________  
Drive with HDA up,  
PCB down, viewed from front  
Pin 1 End  
Pin 1  
HDA  
J6  
Drive Front  
J1  
J6  
[1]  
+5V  
Ground  
Reserved  
A
A
A A  
1 0  
3
2
J2  
SCSI ID = 0  
SCSI ID = 1  
SCSI ID = 2  
SCSI ID = 3  
SCSI ID = 4  
SCSI ID = 5  
SCSI ID = 6  
SCSI ID = 7  
SCSI ID = 8  
SCSI ID = 9  
SCSI ID = 10  
SCSI ID = 11  
SCSI ID = 12  
SCSI ID = 13  
SCSI ID = 14  
SCSI ID = 15  
Pin 1  
J2  
Jumper  
Positions  
T
E
D
M
W
P
S
T
T
S
E
P
E
S
P
P
Delay  
Motor Start  
Enable  
Motor Start  
Write Protect  
Parity Option  
[7]  
[3]  
[8] [5]  
Shipped with cover installed.  
Do not install jumpers; retain cover  
unless 20 pin plug is installed.  
Reserved  
Pins  
Host  
[4]  
11  
9
7
5
3 1  
Alternate  
Usage Plug:  
8
6
4
2
Optional connections to switching circuits in host  
equipment to establish drive ID. Pins 2, 4, 6 and 8  
are driven low for 250 ms after PWR ON and  
reset to allow jumper selectable SCSI ID. [4]  
+5V  
Ground  
Remote LED  
[4] Dashed area is optional host circuitry (external to the drive)  
connected to host supplied optional usage plug. Drive PCB  
circuitry for Pin 8 includes a 150 series resistor.  
Do not connect anything to pins 13-20.  
Figure 3c. Drive configurator Hawk 4 family  
ST15230WC/DC model (Wide bus)  
Hawk 4 (Wide) Family Install Guide, Rev. A  
27  
___________________________________________  
Notes for Figure 3a, 3b and 3c:  
[1] Notesexplainingthefunctionsofthevariousjump-  
ers on jumper header connectors J2, J1-auxiliary  
and J6 are given below in left to right order of  
jumper position. The term "default" means as  
standard OEM units are configured when shipped  
from factory. "Off" means no jumper is installed;  
"On" means a jumper is installed. Off or Onunder-  
lined is factory default condition.  
[2] The PCB on "WC and DC" models does not have  
connector J1-auxiliary, but has a single 80 pin  
combined SCSI I/O and DC power connector in-  
stead of the 68 pin SCSI I/O and 4 pin DC power  
connectors. Included among the 80 pins are the  
SCSI ID, Motor Start and Delayed Motor Start  
selectfunctions,andtheremoteLEDsignal.Donot  
use J2 and J6 for these five functions if the host  
uses the ones included in the 80 pin connector.  
[3] Drive ID may be established by installing jumper  
plugsinoneofthepatternsshowninFigures3a,3b  
and 3c, or by plugging onto J6 or J1-auxiliary a  
cable that leads to an external ID selection circuit.  
Both jumper plugs and an external ID selection  
source should not be used. See [4] for other func-  
tions of these two headers that are time-shared  
with the drive ID function.  
28  
Hawk 4 (Wide) Family Install Guide, Rev. A  
___________________________________________  
[4] The drive time-shares the ID and LED functions of  
J6 and J1-auxiliary. That is, a cable may be at-  
tachedtooneoftheseheaderstopickupthe signal  
that lights the external LED indicator. If lines for  
external ID selection are not also included in the  
cable, jumper plugs must be used on the header  
not having a cable connected in order to establish  
drive ID. The drive reads the ID from J6 and J1-  
auxiliary for 250 ms after power-on or drive reset,  
and then uses these headers for the LED function  
the remainder of the time. Host system documen-  
tation should describe the application of the LED  
indicator if it connects a cable to use this option.  
[5] Hawk 4 family model ST15230W only.  
[6] Applies to Hawk 4 family ST15230W and WD  
models only.  
[7] Applies to Hawk 4 family ST15230WC/DC models  
only.  
[8] Reserved usage. Do not install a jumper.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
29  
___________________________________________  
J2  
Jumper.  
Position Jumper Function Description  
TE  
(Applies to "W" models only)  
On  
With the jumper installed, the optional on-  
board (non-removable) terminator circuits  
are enabled (connected to the I/O lines).  
Default is jumper installed.  
Off  
TerminatorcircuitsnotconnectedtoI/Olines.  
DS ME  
Off Off Spindle starts immediately after power up -  
Default setting.  
Off On Drive spindle does not start until Start Unit  
command received from host.  
On Off SpindleStart-upisdelayedbySCSIIDtimes  
12 seconds after power is applied, i.e., drive  
0spindlestartsimmediatelywhenDCpower  
connected, drive 1 starts after 12 second  
delay, drive 2 starts after 24 second delay,  
etc.  
On On Drive spindle starts when Start Unit com-  
mand received from host. Delayed start fea-  
ture is overridden and does not apply when  
ME jumper is installed.  
30  
Hawk 4 (Wide) Family Install Guide, Rev. A  
___________________________________________  
continued from previous page  
WP  
On  
Off  
Entire drive is write protected.  
Drive is not write protected. Default is no  
WP jumper installed.  
PE  
On  
Parity checking and parity error reporting by  
the drive is enabled. Default is PE jumper  
installed.  
Off  
Drive does not report result of parity check-  
ing to host.  
SS  
Reserved Jumper position. Do not install a  
jumper.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
31  
___________________________________________  
continued from previous page  
TP TP  
Off Off  
On Off  
(Not applicable to "WC and DC" model  
drives)  
No terminator power is connected to drive  
terminators or SCSI bus I/O pin 26.  
Drive supplies its own terminator power  
only. Jumper on this position is factory  
default.  
Off On  
Drive supplies power to I/O pin 26 of SCSI  
bus; none to internal terminators. When  
driveshavedifferentialI/Ocircuitsajumper  
on the rightTP position may be needed to  
power external terminator (see system  
documentation). The Hawk 4 family  
ST15230WD drive has differential I/O cir-  
cuits which have no terminator circuits on  
the drive.  
On On  
Drive supplies terminator power to itself  
(internal connection) and to I/O pin 26 of  
SCSI bus. This is a legal jumper setting.  
TP Position A  
On  
Thishorizontallypositionedjumperacross  
the two TP positions nearest PCB edge,  
connectsterminatorpowerfromSCSIbus  
I/O pin 26 to the drive's internal termina-  
tors (for single-ended I/O only).  
Off  
See above explanations for TP jumpers.  
32  
Hawk 4 (Wide) Family Install Guide, Rev. A  
___________________________________________  
J6 and J1-Auxiliary  
Jumper  
InstallationJumper Function Description  
A3,A2,A1,A0*Drive ID on SCSI Bus. The drive ID is  
binary coded positionwise i.e., jumper in  
position A3 is drive ID 8, in position A2 is  
drive ID 4, in position A1 is ID 2, position A0  
is ID 1 and no jumpers is ID 0. Default is  
ID = 0.  
Either J1-auxiliary or J6 may be used to  
select drive ID. Both should not be used at  
the same time, because at some future  
timewhentheIDischangedtheusercould  
fail to configure both J1-auxiliary and J6  
the same. Default is ID = 0.  
BUSY  
Connection for optional external Drive  
Busy indicator.  
*See notes on page 27, 28 and 29  
Hawk 4 (Wide) Family Install Guide, Rev. A  
33  
___________________________________________  
Drive installation  
This section describes the physical mounting of the  
drive in the host cabinet and the logical installation as  
a system member, which is called drive setup.  
Disc drive mounting  
Do not touch the connector pins or any PCB compo-  
nents without observing static-discharge precautions.  
Always handle the drive by the frame only.  
The drive may be mounted in any orientation.  
• See notes on Figures 4 and 5 pertaining to proper  
drive installation.  
• Verify that all connections between the drive and the  
hostsystemarecorrectlyinstalled.Mostcableshave  
acontrastingcolorstripeindicatingpin1.Pin1onthe  
drive I/O, J1-auxiliary DC power connectors are  
indicated in the figures in the Initial Set-up Informa-  
tion section.  
• Verify option select and drive ID select jumpers. See  
Drive Configuration section.  
34  
Hawk 4 (Wide) Family Install Guide, Rev. A  
___________________________________________  
G
[3]  
C
L
[4]  
D
[1]  
F
E
A
Notes:  
[1] Mounting holes three on each side, 6-32  
UNC. Max screw length into side of drive  
0.15 in. (3.81 mm). Screw tightening torque  
6.0 in-lb (.675 NM) max with minimum thread  
engagement of .12 in. (3.05 mm).  
[2] Mounting holes four on bottom, 6-32 UNC.  
Max screw length into bottom of drive  
0.20 in. (5.08 mm). Screw tightening  
torque 6.0 in-lb (.675 NM) max with  
minimum thread engagement of .12 in.  
(3.05 mm).  
B
J
[3] Power and interface connections can extend  
past the "A" dimension by 0.040 in. (1.02 mm).  
[2]  
[4] Decorative front panel.  
Inches  
Millimeters  
A
B
C
5.74  
4.00  
1.620  
±
±
+
0.010 145.80 ± .25  
H
K
0.010 101.60 ± .25  
0.026  
0.021  
0.010  
0.010  
41.15 + .66  
– .53  
60.00 ± .25  
15.75 ± .25  
D
E
F
G
H
J
K
L
M
N
P
2.362  
.620  
4.000  
.250  
1.750  
3.750  
2.370  
1.725  
4.000  
0.19  
±
±
±
±
±
±
±
±
±
±
0.010 101.60 ± .25  
0.018  
0.010  
0.010  
0.010  
0.010  
6.35 ± .46  
44.45 ± .25  
95.25 ± .25  
60.20 ± .25  
43.82 ± .25  
P
N
0.010 101.60 ± .25  
0.010  
4.83 ± .25  
0.381 max  
M
[4]  
0.015 max  
Figure 4. Hawk 4 family ST15230W/WD model drive  
mounting dimensions (68 pin SCSI I/O  
connector)  
Hawk 4 (Wide) Family Install Guide, Rev. A  
35  
___________________________________________  
G
[3]  
C
D
[1]  
F
E
A
Notes:  
[1] Mounting holes three on each side, 6-32 UNC.  
Max screw length into side of drive 0.15 in.  
(3.81 mm). Screw tightening torque 6.0 in-lb  
(.675 NM) max with minimum thread engage-  
ment of .12 in. (3.05 mm).  
L
[4]  
[2] Mounting holes four on bottom, 6-32 UNC.  
Max screw length into bottom of drive 0.20 in.  
(5.08 mm). Screw tightening torque 6.0 in-lb  
(.675 NM) max with minimum thread engage-  
ment of .12 in. (3.05 mm).  
Pin 1  
Connector Centerline  
B
J
[3] Power and interface connections can extend past  
the "A" dimension by 0.040 in. (1.02 mm).  
[4] Connector is centered (side to side) on drive  
within ±0.020 in. (.508 mm).  
[2]  
H
Inches  
Millimeters  
A
B
C
5.74  
4.00  
1.620  
±
±
+
0.010 145.80 ± .25  
0.010 101.60 ± .25  
0.026  
0.021  
0.010  
0.010  
41.15 + .66  
.53  
D
E
F
G
H
J
2.362  
.620  
4.000  
.250  
1.750  
3.750  
2.370  
0.181  
±
±
±
±
±
±
±
+
60.00 ± .25  
15.75 ± .25  
0.010 101.60 ± .25  
0.018  
0.010  
0.010  
0.010  
0.018  
0.013  
6.35 ± .46  
44.45 ± .25  
95.25 ± .25  
60.20 ± .25  
4.597 + .45  
K
K
L
.33  
Figure 5. Hawk 4 family ST15230WC/DC model drive  
mounting configuration dimension (80 pin  
I/O connector)  
36  
Hawk 4 (Wide) Family Install Guide, Rev. A  
___________________________________________  
Do not power up the host system until the drive is  
mounted and the system cover is replaced.  
• Connect DC power connector to the drive. (does not  
apply to "WC and DC" models which have DC power  
lines in the 80 pin I/O connector).  
• Replace the Host System cover.  
• Turn on DC power.  
• Boot the system from the floppy drive or from a  
previously installed hard-drive if there is one.  
• Proceed with drive setup of the new hard drive.  
Grounding  
Signal ground (PCB) and HDA ground are connected  
together in the Hawk 4 (Wide bus) drive and cannot be  
separated by the user. The equipment in which the  
drive is mounted is connected directly to the HDA and  
PCB with no electrically isolating shock mounts. If it is  
desired for the system chassis to not be connected to  
the HDA/PCB ground, the systems integrator or user  
must provide a nonconductive (electrically isolating)  
method of mounting the drive in the host equipment.  
Hawk 4 (Wide) Family Install Guide, Rev. A  
37  
___________________________________________  
SCSI interface drives  
The SCSI interface handles both drive geometry and  
defect management internally. The "no drive installed"  
option is selected for systems with SCSI drives.  
All SCSI interface drives are low-level formatted at the  
factory. You may wish to low-level format the drive to  
optimize its performance for your system. Consult the  
controller documentation for information on low-level  
formatting. Partitioning and high-level formatting can  
be done through DOS by way of the FDISK utility for  
partitioning, and FORMAT for high-level formatting.  
Consult your DOS manual for FORMAT and FDISK  
command options.  
Seagate Technology, Inc.  
920 Disc Drive  
Scotts Valley, CA. 95066-4544, USA  
Publication Number: 77767477, Rev. A  
Printed in USA  

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