NR-LSR
User Guide
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Contents
FCC/CDC statements..................................................................... vi
Safety information ......................................................................... vii
About this guide............................................................................ viii
How this guide is organized ................................................ viii
Conventions used in this guide ............................................. ix
Where to find more information ............................................. ix
ASUS contact information ...............................................................x
NR-LSR specifications summary.................................................... xi
Chapter 1: Product introduction
1.1 Welcome! ........................................................................... 1-1
1.2 Motherboard items ............................................................. 1-1
1.3 Special features.................................................................. 1-2
1.3.1 Product highlights .................................................. 1-2
1.3.2 Value-added solutions............................................ 1-4
1.4 Motherboard overview ........................................................ 1-6
1.4.1 Major components ................................................. 1-6
1.4.2 Core specifications ................................................ 1-8
Chapter 2: Hardware information
2.1 Motherboard installation ..................................................... 2-1
2.1.1 Placement direction ............................................... 2-1
2.1.2 Screw holes ........................................................... 2-1
2.2 Motherboard layout ............................................................ 2-2
2.3 Before you proceed ............................................................ 2-3
2.4 Central Processing Unit (CPU)........................................... 2-4
2.4.1 Overview ................................................................ 2-4
2.4.2 Installing the CPU .................................................. 2-5
2.4.3 Installing the heatsink ............................................ 2-7
2.5 System memory ................................................................. 2-8
2.5.1 Overview ................................................................ 2-8
2.5.2 Memory configurations .......................................... 2-9
2.5.3 Installing a DIMM ................................................. 2-10
2.5.4 Removing a DIMM ............................................... 2-10
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Contents
2.6 Expansion slots .................................................................2-11
2.6.1 Installing an expansion card .................................2-11
2.6.2 Configuring an expansion card ............................ 2-12
2.7 Switches ........................................................................... 2-13
2.8 Connectors ....................................................................... 2-15
Chapter 3: Powering up
3.1 Starting up for the first time ................................................ 3-1
3.2 Powering off the computer ................................................. 3-2
Chapter 4: BIOS setup
4.1 Managing and updating your BIOS .................................... 4-1
4.1.1 Creating a bootable disk ........................................ 4-1
4.1.2 Updating the BIOS ................................................. 4-3
4.2 BIOS Setup program .......................................................... 4-5
4.2.1 BIOS menu bar ...................................................... 4-6
4.2.2 Legend bar............................................................. 4-6
4.3 Main Menu.......................................................................... 4-8
4.3.1 Primary and Secondary Master/Slave ................. 4-10
4.3.2 Keyboard Features .............................................. 4-14
4.4 Advanced Menu ............................................................... 4-15
4.4.1 Chip Configuration ............................................... 4-17
4.4.2 I/O Device Configuration...................................... 4-18
4.4.3 PCI Configuration ................................................ 4-19
4.5 Power Menu ..................................................................... 4-21
4.5.1 Power Up Control ................................................ 4-23
4.5.2 Hardware Monitor ................................................ 4-24
4.6 Boot Menu ........................................................................ 4-25
4.7 Server Menu ..................................................................... 4-27
4.8 Exit Menu ......................................................................... 4-28
iv
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Contents
Chapter 5: OS Installation
5.1 Microsoft® Windows® NT Server 4.0 ................................... 5-1
5.1.1 LSI® SCSI Driver Installation .................................. 5-1
5.1.2 Intel® 82550PM/82544GC LAN Driver Installation . 5-4
5.1.3 ATI® Rage XL Display Driver Installation................ 5-8
5.2 Microsoft® Windows® 2000 Server ..................................... 5-9
5.2.1 LSI® SCSI Driver Installation .................................. 5-9
5.2.2 Intel® 82550PM/82544GC LAN Driver Installation 5-12
5.2.3 ATI® Rage XL Display Driver Installation.............. 5-15
5.2.4 Enabling ATA100 Feature in Windows 2000 ........ 5-15
5.3 Microsoft® Windows® XP Professional.............................. 5-16
5.4 Novell® NetWare® Server.................................................. 5-18
5.4.1 LSI® SCSI Driver Installation ................................ 5-18
5.4.2 Intel® 82550PM/82544GC LAN Driver Installation 5-20
5.4.3 ATI® Rage XL Display Driver Installation.............. 5-21
5.5 Linux RedHat 7.2.............................................................. 5-22
5.5.1 LSI® SCSI Driver Installation ................................ 5-22
5.5.2 Intel® 82550PM/82544GC LAN Driver Installation 5-22
5.5.3 ATI® Rage XL Display Driver Installation.............. 5-22
v
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FCC/CDC statements
Federal Communications Commission Statement
This device complies with FCC Rules Part 15. Operation is subject to the
following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
manufacturer’s instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the
graphics card is required to assure compliance with FCC regulations.
Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to
operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise
emissions from digital apparatus set out in the Radio Interference
Regulations of the Canadian Department of Communications.
This class B digital apparatus complies with Canadian ICES-003.
vi
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Safety information
Electrical safety
• To prevent electrical shock hazard, disconnect the power cable from
the electrical outlet before relocating the system.
• When adding or removing devices to or from the system, ensure that
the power cables for the devices are unplugged before the signal
cables are connected. If possible, disconnect all power cables from the
existing system before you add a device.
• Before connecting or removing signal cables from the motherboard,
ensure that all power cables are unplugged.
• Seek professional assistance before using an adpater or extension
cord. These devices could interrupt the grounding circuit.
• Make sure that your power supply is set to the correct voltage in your
area. If you are not sure about the voltage of the electrical outlet you
are using, contact your local power company.
• If the power supply is broken, do not try to fix it by yourself. Contact a
qualified service technician or your retailer.
Operation safety
• Before installing the product and adding devices on it, carefully read all
the documentation that came with the package.
• Before using the product, make sure all cables are correctly connected
and the power cables are not damaged. If you detect any damage,
contact your dealer immediately.
• To avoid short circuits, keep paper clips, screws, and staples away from
connectors, slots, sockets and circuitry.
• Avoid dust, humidity, and temperature extremes. Do not place the
product in any area where it may become wet.
• Place the product on a stable surface.
• If you encounter technical problems with the product, contact a
qualified service technician or your retailer.
vii
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About this guide
This user guide contains detailed information on the ASUS NR-LSR
motherboard.
How this guide is organized
This manual contains the following parts:
• Chapter 1: Product introduction
This chapter describes the features of the NR-LSR motherboard. It
includes brief descriptions of the special attributes of the motherboard
and the new technology it supports.
• Chapter 2: Hardware information
This chapter lists the hardware setup procedures that you have to
perform when installing system components. It includes description of
the switches, jumpers, and connectors on the motherboard.
• Chapter 3: Powering up
This chapter describes the power up sequence and gives information
on the BIOS beep codes.
• Chapter 4: BIOS setup
This chapter tells how to change system settings through the BIOS
Setup menus. Detailed descriptions of the BIOS parameters are also
provided.
• Chapter 5: OS Installation
This chapter tells how to install SCSI, LAN, and VGA drivers for
various operating systems.
viii
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Conventions used in this guide
To make sure that you perform certain tasks properly, take note of the
following symbols used throughout this manual.
WARNING: Information to prevent injury to yourself when trying
to complete a task.
CAUTION: Information to prevent damage to the components
when trying to complete a task.
IMPORTANT: Information that you MUST follow to complete a
task.
NOTE: Tips and additional information to aid in completing a task.
Where to find more information
Refer to the following sources for additional information and for product
and software updates.
1. ASUS Websites
The ASUS websites worldwide provide updated information on ASUS
hardware and software products. The ASUS websites are listed in the
ASUS Contact Information on page x.
2. Optional Documentation
Your product package may include optional documentation, such as
warranty flyers, that may have been added by your dealer. These
documents are not part of the standard package.
ix
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ASUS contact information
ASUSTeK COMPUTER INC. (Asia-Pacific)
Address:
150 Li-Te Road, Peitou, Taipei, Taiwan 112
+886-2-2894-3447
+886-2-2894-3449
General Tel:
General Fax:
General Email:
Technical Support
MB/Others (Tel):
Notebook (Tel):
+886-2-2890-7121 (English)
+886-2-2890-7122 (English)
Desktop/Server (Tel): +886-2-2890-7123 (English)
Support Fax:
Support Email:
Web Site:
+886-2-2890-7698
www.asus.com.tw
cscnews.asus.com.tw
Newsgroup:
ASUS COMPUTER INTERNATIONAL (America)
Address:
6737 Mowry Avenue, Mowry Business Center,
Building 2, Newark, CA 94560, USA
+1-510-608-4555
General Fax:
General Email:
Technical Support
Support Fax:
General Support:
Notebook Support:
Web Site:
+1-510-608-4555
+1-502-995-0883
+1-877-918-ASUS (2787)
www.asus.com
Support Email:
ASUS COMPUTER GmbH (Europe)
Address:
Harkortstr. 25, 40880 Ratingen, BRD, Germany
General Fax:
General Email:
+49-2102-442066
[email protected] (for marketing requests only)
Technical Support
Support Hotline:
Notebook (Tel):
Support Fax:
MB/Others: +49-2102-9599-0
+49-2102-9599-10
+49-2102-9599-11
Support (Email):
Web Site:
www.asuscom.de/de/support (for online support)
www.asuscom.de
x
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NR-LSR specifications summary
CPU
Support for Intel® Pentium® 4 on Socket 478
Chipsets
RCC Grand Champion LE Server 2.0 (GCLE)
RCC Champion South Bridge 5.0 (CSB5)
RCC Champion I/O Bridge 2.0 (CIOB-X2)
Front Side Bus (FSB)
Memory
400 MHz
4 x 184-pin DDR DIMM sockets
Supports PC2100/PC1600 registered ECC DDR DIMMs
Supports 64MB to 8GB system memory
Onboard LAN
Intel® 82544GC Gigabit Ethernet controller
Intel® 82550PM Fast Ethernet controller
Onboard SCSI
Onboard VGA
Expansion slot
LSI® 53C1010R PCI SCSI controller
ATI® RAGE-XL PCI-based VGA controller
1 x PCI 64-bit 133/100MHz 3V
Supports two PCI-X cards on a riser card module
Rear panel I/O
1 x PS/2 mouse port
1 x PS/2 keyboard port
2 x RJ-45 ports
1 x Serial port
1 x RJ-45 port (for server management)
1 x VGA port
1 x high density SCSI connector
2 x USB 1.1 ports
Internal connectors
1 x 68-pin Ultra-160 SCSI connectors
1 x Serial Port 2 (COM2) connector
CPU/Power/System fan connectors
24/20-pin ATX power connector
IDE LED/Power LED connectors
SCSI connectors
Chassis intrusion connector
BIOS features
4Mb Flash ROM, Award BIOS with ACPI, DMI, Green, PnP
features, and Enhanced Server BIOS features
Form Factor
Extended ATX form factor: 12 in x 12 in (30.5 cm x 30.5 cm)
Support CD contents
Device drivers
Management software
Utilities
Contact information
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xii
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Chapter 1
This chapter describes the features of the
NR-LSR motherboard. It includes brief
explanations of the special attributes of the
motherboard and the new technology it
supports.
Product introduction
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Chapter summary
1.1 Welcome! ........................................................ 1-1
1.2 Special features ............................................. 1-2
1.3 Motherboard overview................................... 1-6
ASUS NR-LSR motherboard
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1.1 Welcome!
The ASUS® NR-LSR motherboard delivers a host of new features and
latest technologies making it another standout in the long line of ASUS
quality server motherboards!
The NR-LSR supports the Intel® Pentium® 4 processor in 478-pin package
coupled with the ServerWorks® Grand Champion Low End (GCLE)
SystemSet to deliver a reliable and high performance server platform.
The NR-LSR is pre-installed in the ASUS AP160R-S 1U barebone
server system.
The figure below shows the top view of the NR-LSR motherboard installed
in the 1U system.
ASUS NR-LSR motherboard user guide
1-1
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1.2 Special features
1.2.1 Product highlights
Latest processor technology
The NR-LSR motherboard supports the Intel® Pentium® 4 processor via a
478-pin surface mount ZIF socket. The processor features the Intel®
NetBurst™ micro-architecture that includes hyper-pipelined technology, a
rapid execution engine, a 400MHz system bus, and an execution trace cache
to offer a significant increase in performance. See page 2-4 for more
information.
DDR memory support
Employing the Double Data Rate (DDR) memory technology, the NR-LSR
motherboard supports up to 8GB of system memory using PC2100/1600
registered ECC DDR DIMMs. The ultra-fast 200MHz memory bus doubles
the speed of the PC100 SDRAM to deliver the required bandwidth for the
latest 3D graphics, multimedia, and Internet applications. See page 2-10.
Dual-channel Ultra-160/320 SCSI
The LSI® 53C1010R 64-bit/66MHz PCI SCSI controller is onboard to
support dual-channel Ultra-160 SCSI connectors that provide high-speed
data transfer interfaces.
Advanced 64-bit PCI-X slots
The 64-bit/133MHz expansion slot onboard supports a proprietary riser
card with two PCI-X slots (on both sides). The PCI-X slots maximize I/O
bandwidth for the next generation 64-bit PCI-X cards that support
133/100MHz bus. The PCI-X specification 1.0a allows full peer-to-peer
transactions between PCI buses and provides options for intelligent I/O
and server management cards.
Onboard LAN
The motherboard comes with the Intel® 82550PM Fast Ethernet controller
and the Intel® 82544GC Gigabit Ethernet controller to support the latest
LAN technologies.
1-2
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Onboard VGA
The ATI Rage-XL PCI-based VGA controller integrates an 8MB display
SDRAM to provide onboard video solution.
Integrated IDE bridge
The motherboard includes two connectors to support an IDE board with
dual-channel bus master IDE connectors. The IDE connectors support
Ultra DMA 100/66/33, PIO modes 3 & 4 devices.
ASUS NR-LSR motherboard user guide
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1.2.2 Value-added solutions
Temperature, fan, and voltage monitoring
The CPU temperature is monitored by the ASUS ASIC to prevent
overheating and damage. The system fan rotations per minute (RPM) is
monitored for timely failure detection. The system voltage levels are
monitored to ensure stable supply of current for critical components.
Dual function power switch
While the system is ON, pressing the power switch for less than 4 seconds
puts the system to sleep mode or to soft-off mode, depending on the BIOS
setting. Pressing the power switch for more than 4 seconds lets the
system enter the soft-off mode regardless of the BIOS setting.
Remote Ring In
This feature allows the system to wake up remotely through an internal or
external modem, if present.
Wake-Up support
The motherboard includes Wake-On-LAN, Wake-On-Ring, and BIOS
Wake-Up features.
Server management
The motherboard comes with an ASMC connector that supports the
optional ASMC-HE/ME/LE card to comply with server reliability, availability,
and serviceability requirements. Remote management response via
remote diagnostics and troubleshooting still works even when the
operating system has stopped functioning.
ACPI ready
The Advanced Configuration power Interface (ACPI) provides more energy
saving features for operating systems that support OS Direct Power
Management (OSPM).
Concurrent PCI
This feature allows multiple PCI transfers from PCI master buses to the
memory and processor.
1-4
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Auto fan off
The system fans power off automatically when the system is in sleep
mode. This feature reduces both power consumption and system noise.
Chassis intrusion detection
The motherboard supports chassis intrusion monitoring through the ASUS
ASIC. A chassis intrusion event is retained in the system memory for more
protection.
Smart BIOS
The 4Mbit firmware gives an easy-to-use interface that provides more
control and protection to the motherboard. The BIOS has a boot block
write protection and HD/SCSI/MO/ZIP/CD/Floppy boot selection, and is
Year 2000 certified.
Compliance
Both the BIOS and the hardware levels of the motherboard meet the
stringent requirements for SDG 2.0 certification. The new SDG 2.0
requirements for systems and components are based on the following
high-level goals: support for Plug-and-Play compatibility and power
management for configuring and managing all system components, 32-bit
device drivers, and installation procedures for Windows NT/2000/XP.
Color-coded connectors and descriptive icons make identification easy as
required by the PC ‘99 specification.
ASUS NR-LSR motherboard user guide
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1.3 Motherboard overview
Before you install the NR-LSR motherboard, familiarize yourself with its
physical configuration and available features to facilitate the motherboard
installation and future upgrades. A sufficient knowledge of the motherboard
specifications will also help you avoid mistakes that may damage the
board and its components.
1.3.1 Major components
The following are the major components of the NR-LSR motherboard as
pointed out in the picture on page 1-7.
1. Intel® 82550PM Fast Ethernet
controller
2. Intel® 82544GC Gigabit Ethernet
controller
15. LPC super I/O controller
16. ASUS ASIC
17. LSI® SCSI controller
18. Ultra-160 SCSI connector
(internal)
3. ATI Rage-XL VGA controller
4. DDR DIMM sockets
5. ServerWorks® Grand Champion
LE North Bridge (CMIC-LE)
6. ServerWorks® 64-bit I/O Bridge
(CIOB-X2)
19. PCI extended power connector
20. 64-bit 133/100MHz PCI slot
21. PS/2 mouse port
22. PS/2 keyboard port
23. RJ-45 port (100/10 Mbps)
24. RJ-45 port (1000/100/10 Mbps)
25. Serial port
7. 5-switch DIP (CLKSW)
8. CPU Socket 478
9. 24/20-pin ATX power connector
26. RJ-45 port (for server
management)
10. Backplane bridge board
connectors
27. VGA port
11. Flash ROM
28. SCSI LED
12. 8-switch DIP (U78)
29. High-density SCSI connector
30. USB 1.1 ports
31. Location switch
32. Location LED
13. ServerWorks® Champion South
Bridge (CSB5)
14. Server Management
daughterboard connectors
See page 1-8 for the specifications of each component. Refer to
Chapter 2 for detailed information on the components.
1-6
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1 2 3
4
5 6
7
8
9
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18
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16
15 14
13 12 11 10
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24
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26
27
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1.3.2 Core specifications
®
Intel 82550PM Fast Ethernet controller. This LAN controller fully
1
2
supports 10BASE-T/100BASE-TX networking protocols.
®
Intel 82544GC Gigabit Ethernet controller. This controller is an
integrated Ethernet LAN component that supports 1000Mbps,
100Mbps, and 10Mbps data rates. The 82544GC is optimized for
LAN on Motherboard designs (LOM), enterprise networking, and
Internet appliances that use PCI or PCI-X bus. The controller
provides a 32/64-bit, 33/66MHz interface to the PCI bus that
supports PCI Specification Rev. 2.2, and to the PCI-X extension to
the PCI Local Bus Rev 1.0a at clock rates of up to 133MHz.
3
4
5
ATI Rage-XL VGA controller. This PCI-based VGA controller
supports up to 8MB display SDRAM for 1280x1024 and true color
resolutions.
DDR DIMM sockets. These six 184-pin DIMM sockets support up
to 8GB system memory using registered ECC PC2100/1600 DDR
DIMMs.
®
ServerWorks Grand Champion LE north bridge (CMIC-LE).
The Champion Memory and I/O Controller LE (CMIC-LE) acts as
the host bridge of the Grand Champion Low End (GCLE)
SystemSet. The CMIC-LE device interfaces directly to the
processor bus, and integrates the functions of the main memory
controller and the Inter Module Bus (IMB) interface unit. The
processor interface supports a 400MHz Front Side Bus (FSB)
providing a 3.2GB/s bandwidth, 2-way interleaved 3.2GB/s memory
bandwidth with up to 8GB registered ECC PC2100/1600 DDR
DIMMs, and two high speed IMBs plus one thin IMB to connect to
the south bridge CSB5.
6
7
®
ServerWorks 64-bit I/O Bridge (CIOB-X2). The Champion I/O
Bridge (CIOB-X2) provides a high performance data flow path
between the IMB and the I/O subsystem, which supports multiple
PCI/PCI-X interfaces that allows large, efficient, and flexible I/O
configurations. The CIOB-X2 supports 64-bit PCI/PCI-X I/O buses
that comply with PCI 2.2 specification.
5-switch DIP (CLKSW). This 5-switch Dual Inline Package (DIP)
allows you to set the CPU external frequency.
1-8
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CPU Socket 478. A 478-pin surface mount, Zero Insertion Force
(ZIF) socket for the Intel Pentium 4 processor with 400 MHz
system bus that allows up to 3.2GB/s data transfer rate.
8
®
®
9
24/20-pin ATX power connector. This power connector is for an
ATX power supply.
10
Backplane bridge board connectors. These connectors are for
the bridge board that connects the motherboard to the backplane
board.
11
12
Flash ROM. This 4Mb firmware contains the programmable BIOS
program.
8-switch DIP (CLKSW). This 8-switch Dual Inline Package (DIP)
allows you to select the CPU frequency multiple.
®
13
ServerWorks Champion south bridge (CSB5). The Champion
South Bridge (CSB5) primarily acts as a PCI to Low Pin Count
(LPC) bridge, but also supports several integrated functions
including dual-channel ATA/100 IDE controller, 4-port USB 1.1
interface, ACPI power management and detection, XIO-APIC, and
legacy functions 8237DMA, 8259APIC, and 8254 timer.
14
15
Daughterboard connectors. These connectors are for the
optional ASUS Server Management daughterboard.
LPC super I/O controller. This Low Pin Count (LPC) interface
provides the commonly used Super I/O functionality. The chipset
supports UART compatible serial ports, one parallel port with EPP
and ECP capabilities, a floppy drive, and PS/2 keyboard and
mouse.
16
17
18
ASUS ASIC. This chip performs multiple system functions that
include hardware and system voltage monitoring, IRQ routing,
among others.
LSI® SCSI controller. The LSI 53C1010R SCSI controller supports
up to 30 SCSI devices through the onboard dual-channel SCSI
connectors.
Ultra-160 SCSI connector (internal). This dual-channel 68-pin
Ultra-160 SCSI connector supports up to 30 SCSI devices, and
data transfers of 160Mbps.
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PCI extended power connector. This connector provides the
additional power required by PCI cards.
19
20
64-bit 133/100MHz PCI slot. This PCI expansion slot is for the
proprietary riser card with dual PCI-X slots. The PCI-X slots support
bus master PCI-X/PCI cards.
21
22
PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse.
PS/2 keyboard port. This purple 6-pin connector is for a PS/2
keyboard.
RJ-45 port (100/10 Mbps). This port allows connection to a Local
Area Network (LAN) through a network hub to support 10BASE-T/
100BASE-TX networking protocols.
23
24
RJ-45 port (1000/100/10 Mbps). This port allows connection to a
Local Area Network (LAN) through a network hub to support up to
1000Mbps data transfer rates.
25
26
Serial port. This 9-pin COM1 port is for pointing devices or other
serial devices.
RJ-45 port (for server management). This port allows connection
to a Local Area Network (LAN) through a network hub to support
the remote power management feature.
27
28
29
VGA port. This port is for a VGA-monitor or other VGA-compatible
devices.
SCSI LED. This LED indicates the status of the SCSI device
connected to the external SCSI connector.
High-density SCSI connector. This dual-channel 68-pin Ultra-160/
320 SCSI connector supports up to 30 SCSI devices, and data
transfers of 160Mbps/320Mbps.
30
31
USB 1.1 ports. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB devices.
Location switch. Pressing this switch causes the location LED to
light up, allowing you to locate a specific 1U system when several
system are installed in a rack. This switch has a counterpart on the
front panel. When you press either the front or rear panel location
switch, the location LED on both the front and rear panels light up.
32
Location LED. This LED indicates the specific 1U system installed
on a rack.
1-10
Chapter 1: Product introduction
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Chapter 2
This chapter describes the hardware setup
procedures that you have to perform when
installing system components. It includes
details on the switches, jumpers, and
connectors on the motherboard.
Hardware information
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Chapter summary
2.1 Motherboard installation ............................... 2-1
2.2 Motherboard layout ....................................... 2-2
2.3 Before you proceed ....................................... 2-3
2.4 Central Processing Unit (CPU) ..................... 2-4
2.5 System memory ............................................. 2-8
2.6 Expansion slots ............................................2-11
2.7 Switches ....................................................... 2-13
2.8 Connectors ................................................... 2-15
ASUS NR-LSR motherboard
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