No part of this manual, including the products and software described in it, may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language in any form or by any means, except documentation kept by the purchaser for
backup purposes, without the express written permission of ASUSTeK COMPUTER INC.
(“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or
altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2)
the serial number of the product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES
OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE
LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
(INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE
OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR
ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED
FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME
WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS.
ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR
INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS
AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered
trademarks or copyrights of their respective companies, and are used only for identification or
explanation and to the owners’ benefit, without intent to infringe.
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
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
About this guide
This user guide contains detailed information on the ASUS PR-DLSR533
motherboard.
How this guide is organized
This manual contains the following parts:
•Chapter 1: Product introduction
This chapter describes the features of the PR-DLSR533 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
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
ASUS contact information
ASUSTeK COMPUTER INC. (Asia-Pacific)
Address:150 Li-Te Road, Peitou, Taipei, Taiwan 112
General Tel:+886-2-2894-3447
General Fax:+886-2-2894-3449
General Email:info@asus.com.tw
Technical Support
MB/Others (Tel):+886-2-2890-7121 (English)
Notebook (Tel):+886-2-2890-7122 (English)
Desktop/Server (Tel):+886-2-2890-7123 (English)
Support Fax:+886-2-2890-7698
Support Email:tsd@asus.com.tw
Web Site:www.asus.com.tw
ASUS COMPUTER INTERNATIONAL (America)
Address:6737 Mowry Avenue, Mowry Business Center,
Building 2, Newark, CA 94560, USA
General Fax:+1-510-608-4555
General Email:tmd1@asus.com
Technical Support
Support Fax:+1-510-608-4555
General Support:+1-502-933-8713
Web Site:www.asus.com
Support Email:tsd@asus.com
ASUS COMPUTER GmbH (Germany and Austria)
Address:Harkortstr. 25, 40880 Ratingen, BRD, Germany
General Fax:+49-2102-442066
General Email:sales@asuscom.de (for marketing requests only)
Technical Support
Support Hotline:
MB/Others:+49-2102-9599-0
Notebook:+49-2102-9599-10
Support Fax:+49-2102-9599-11
Support (Email):www.asuscom.de/de/support (for online support)
Web Site:www.asuscom.de
x
PR-DLSR533 specifications summary
CPU
Chipsets
Front Side Bus (FSB)
Memory
Onboard LAN
Onboard SCSI
Onboard VGA
Expansion slot
Support for dual Intel® Xeon™ processors
RCC Grand Champion LE Server 3.1 (GCLE)
RAGE-XL PCI-based VGA controller
Supports 1280 x 1024 resolution, true color
Supports 8MB PC-100 video memory
One proprietary expansion slot that supports two PCI-X
cards on a riser card module
Rear panel I/O
Internal connectors
BIOS features
Form Factor
Support CD contents
1 x PS/2 mouse port
1 x PS/2 keyboard port
3 x RJ-45 ports
(one RJ-45 port reserved for server management)
1 x Serial port
1 x VGA port
1 x very high density SCSI connector
2 x USB 1.1 ports
1 x 68-pin Ultra-160 SCSI connectors
1 x Serial Port 2 (COM2) connector
CPU/Power/System fan connectors
24-pin, 8-pin ATX power connectors
IDE LED/Power LED connectors
SCSI connectors
Chassis intrusion connector
4Mb Flash ROM, Award BIOS with ACPI, DMI, Green, PnP
features, and Enhanced Server BIOS features
Extended ATX form factor: 12 in x 12 in (30.5 cm x 30.5 cm)
Device drivers
Management software
Utilities
Contact information
* Specifications are subject to change without notice.
xi
xii
Chapter 1
This chapter describes the features of the
PR-DLSR533 motherboard. It includes brief
explanations of the special attributes of the
motherboard and the new technology it
supports.
The ASUS® PR-DLSR533 motherboard delivers a host of new features and
latest technologies making it another standout in the long line of ASUS
quality server motherboards!
The PR-DLSR533 supports dual Intel
package coupled with the ServerWorks® Grand Champion Low End
(GCLE) SystemSet to deliver a reliable and high performance server
platform.
The PR-DLSR533 is pre-installed in the ASUS AP1600R 1U barebone
server system.
The figure below shows the top view of the PR-DLSR533 motherboard
installed in the 1U system.
®
Xeon™ processors in 603/604-pin
ASUS PR-DLSR533 motherboard user guide
1-1
1.2Special features
1.2.1Product highlights
Latest processor technology
The PR-DLSR533 motherboard supports dual Intel® Xeon™ processors via
604-pin surface mount ZIF sockets. The processor features the Intel
NetBurst™ micro-architecture that includes hyper-pipelined technology, a
rapid execution engine, a 533MHz/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
PR-DLSR533 motherboard supports up to 12GB of system memory using
PC2100/1600 registered ECC DDR DIMMs. The ultra-fast 266MHz
memory bus doubles the speed of the PC133 SDRAM to deliver the
required bandwidth for the latest Internet applications. See page 2-7.
®
Dual-channel Ultra-320 SCSI
The LSI® 53C1030 64-bit/133MHz PCI-X SCSI controller is onboard to
support dual-channel Ultra-320 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 two LAN controllers, the Intel
Gigabit Ethernet controller and the Intel® 82540EM Gigabit Ethernet
controller, to support the latest LAN technologies.
®
82544GC
1-2
Chapter 1: Product introduction
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 66/33, PIO modes 3 & 4 devices.
ASUS PR-DLSR533 motherboard user guide
1-3
1.2.2Value-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
Chapter 1: Product introduction
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 supports BIOS Boot Specification (BBS).
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 PR-DLSR533 motherboard user guide
1-5
1.3Motherboard overview
Before you install the PR-DLSR533 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.
1.3.1Major components
The following are the major components of the PR-DLSR533 motherboard
as pointed out in the picture on page 1-7.
1.Intel® 82540EM Gigabit Ethernet
controller
®
2.Intel
3.DDR DIMM sockets
4.ServerWorks
5.ServerWorks
6.5-switch DIP (SW1)
7.24-pin ATX power connector
8.604-pin CPU sockets
9.8-pin 12V SSI power connector
10.PCI extended power connector
11.Server management
12.Backplane bridge board
13.ServerWorks
82544GC Gigabit Ethernet
controller
®
64-bit I/O Bridge
(CIOB-X2)
®
Grand Champion
LE North Bridge (CMIC-LE)
daughterboard connectors
connectors
®
Champion South
Bridge (CSB5)
16.ATI Rage-XL VGA controller
17.Zero-channel RAID connectors
®
18.LSI
19.Ultra-160 SCSI connector
20.8-switch DIP (SW2)
21.64-bit 133/100MHz PCI slot
22.PS/2 mouse port
23.PS/2 keyboard port
24.RJ-45 port (1000/100/10 Mbps)
25.RJ-45 port (1000/100/10 Mbps)
26.Serial port
27.RJ-45 port (for server
28.VGA port
29.SCSI LED
30.High-density SCSI connector
31.USB 1.1 ports
32.Location switch
53C1030 SCSI controller
(internal)
management)
1-6
14.LPC super I/O controller
15.ASUS ASIC
See page 1-8 for the specifications of each component. Refer to
Chapter 2 for detailed information on the components.
33.Location LED
Chapter 1: Product introduction
21
20
31589
42
6
7
10
11
19
22
242526272829303132 33
23
17
161814
ASUS PR-DLSR533 motherboard user guide
1315
12
1-7
1.3.2Core specifications
®
1
Intel
a single-chip solution for LAN on Motherboard (LOM) and Network
Interface Card (NIC) applications. The chipset provides a 32-bit
interface and supports 10/100/1000 Mbps data transfer rates.
2
Intel
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.
82540EM Gigabit Ethernet controller. his LAN controller is
®
82544GC Gigabit Ethernet controller. This controller is an
3
DDR DIMM sockets. These six 184-pin DIMM sockets support up
to 12GB system memory using registered ECC PC2100/1600 DDR
DIMMs.
4
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
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 533MHz Front Side Bus (FSB)
providing a 4.2GB/s bandwidth, 2-way interleaved 4.2GB/s memory
up to 12GB using registered PC2100/1600 DDR DIMMs, and two
high speed IMBs plus one thin IMB to connect to the CSB5.
1-8
6
5-switch DIP (SW1). This 5-switch Dual Inline Package (DIP)
allows you to set the CPU external frequency.
7
24-pin ATX power connector. This power connector is for an ATX
power supply.
8
604-pin CPU sockets. Two 604-pin surface mount, Zero Insertion
®
Force (ZIF) sockets for the Intel
Xeon™ processors with a
533MHz/400MHz system bus that allows up to 4.2GB/s or 3.2GB/s
data transfer rate.
Chapter 1: Product introduction
9
8-pin 12V SSI power connector. This power connector is for an
SSI-type power supply.
10
11
12
13
14
PCI extended power connector. This connector provides the
additional power required by PCI cards.
Server management daughterboard connectors. These
connectors are for the optional ASUS Server Management
daughterboards.
Backplane bridge board connectors. These connectors are for
the bridge board that connects the motherboard to the backplane
board.
®
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.
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.
15
16
17
18
19
20
21
ASUS ASIC. This chip monitors, examines, and manages system
status information including CPU and system voltages,
temperature, and fan speeds.
ATI Rage-XL VGA controller. This PCI-based VGA controller
supports up to 8MB display SDRAM for 1280x1024 and true color
resolutions.
Zero-Channel RAID connectors. These connectors are for a
RAID daughterboard that supports advanced RAID functionality.
®
53C1030 SCSI controller. This controller supports up to 30
LSI
SCSI devices through the onboard dual-channel SCSI connectors.
Ultra-320 SCSI connector (internal). This dual-channel 68-pin
Ultra-320 SCSI connector supports up to 30 SCSI devices, and
data transfers of 320Mbps.
8-switch DIP (SW2). This 8-switch Dual Inline Package (DIP)
allows you to select the CPU frequency multiple.
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.
ASUS PR-DLSR533 motherboard user guide
1-9
22
PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse.
23
24
25
26
27
28
29
PS/2 keyboard port. This purple 6-pin connector is for a PS/2
keyboard.
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.
RJ-45 port (1000/100/10 Mbps). See description of item 24.
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. This port requires the
ASMB-HE server management card.
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.
30
31
32
33
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.
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.
Location LED. This LED indicates the specific 1U system installed
on a rack.
1-10
Chapter 1: Product introduction
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.
Before you install the motherboard, study the configuration of your chassis
to ensure that the motherboard fits into it. The PR-DLSR533 uses the
extended ATX form factor that measures 12 x 12 inches (30.5 x 30.5 cm).
Make sure to unplug the power cord before installing or removing the
motherboard. Failure to do so may cause you physical injury and
damage motherboard components.
2.1.1Placement direction
When installing the motherboard, make sure that you place it into the
chassis in the correct orientation. The edge with external ports goes to the
rear part of the chassis as indicated in the image below.
2.1.2Screw holes
Place six (6) screws into the holes indicated by circles to secure the
motherboard to the chassis.
Do not overtighten the screws! Doing so may damage the
motherboard.
The SCSI features are optional. These components are grayed out in
the above motherboard layout.
Chapter 2: Hardware information
2.3Before you proceed
Take note of the following precautions before you install motherboard
components or change any motherboard settings.
1.Unplug the power cord from the wall socket before touching any
component.
2.Use a grounded wrist strap or touch a safely grounded object or to
a metal object, such as the power supply case, before handling
components to avoid damaging them due to static electricity.
3.Hold components by the edges to avoid touching the ICs on them.
4.Whenever you uninstall any component, place it on a grounded
antistatic pad or in the bag that came with the component.
5.Before you install or remove any component, ensure that the
ATX power supply is switched off or the power cord is
detached from the power supply. Failure to do so may cause
severe damage to the motherboard, peripherals, and/or
components.
PR-DLSR533
®
PR-DLSR533 Onboard LED
LED1 (RED)
ON
CPU installed
incorrectly
LED2 (GREEN)
ON
Standby
Power
OFF
CPU installed
OFF
Powered
Off
ASUS PR-DLSR533 motherboard user guide
2-3
2.4Central Processing Unit (CPU)
2.4.1Overview
The motherboard comes with dual surface mount 604-pin Zero Insertion
Force (ZIF) sockets. The sockets are designed for the Intel® Xeon™
Processor in the 603/604-pin package. The processor includes the Intel
NetBurst™ micro-architecture that features the hyper-pipelined
technology, rapid execution engine, 533MHz/400MHz system bus, and
execution trace cache. Together, these attributes improve system
performance by allowing higher core frequencies, faster execution of
integer instructions, and data transfer rate of up to 4.2GB/s.
Xeon™ Processor
PR-DLSR533
®
PR-DLSR533 Socket 604
Gold Mark
Note in the illustration that the CPU has a gold triangular mark on one
corner. This mark indicates the processor Pin 1 that should match a
specific corner of the CPU socket.
Incorrect installation of the CPU into the socket may bend the pins and
severely damage the CPU!
The motherboard supports either one or two CPUs. If you are installing
only one CPU, you MUST install it in CPU socket 1.
CPU Socket 1
(outer socket)
2-4
CPU Socket 2
(inner socket)
Chapter 2: Hardware information
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