Asus P5GDC Pro User manual

Motherboard
P5GDC

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Copyright © 2004 ASUSTeK COMPUTER INC. All Rights Reserved.Copyright © 2004 ASUSTeK COMPUTER INC. All Rights Reserved.
Copyright © 2004 ASUSTeK COMPUTER INC. All Rights Reserved.Copyright © 2004 ASUSTeK COMPUTER INC. All Rights Reserved.
Copyright © 2004 ASUSTeK COMPUTER INC. All Rights Reserved.
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.
E1758E1758
E1758E1758
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First Edition V1First Edition V1
First Edition V1First Edition V1
First Edition V1
August 2004August 2004
August 2004August 2004
August 2004

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Contents
Notices ................................................................................................ vi
Safety information ............................................................................. vii
Operation safety ................................................................................ vii
P5GDC specifications summary ........................................................ viii
Chapter 1:Chapter 1:
Chapter 1:Chapter 1:
Chapter 1: Hardware informationHardware information
Hardware informationHardware information
Hardware information
1.1 Before you proceed .............................................................. 1-2
1.2 Motherboard overview .......................................................... 1-3
1.2.1 Placement direction ................................................ 1-3
1.2.2 Screw holes ............................................................ 1-3
1.2.3 Motherboard layout ................................................ 1-4
1.2.4 Layout Contents ..................................................... 1-5
1.3 Central Processing Unit (CPU) .............................................. 1-7
1.3.1 Installing the CPU.................................................... 1-7
1.3.2 Installing the CPU heatsink and fan ...................... 1-10
1.4 System memory ................................................................. 1-12
1.4.1 Overview ............................................................... 1-12
1.4.2 Memory Configurations ......................................... 1-12
1.4.3 Installing a DDR DIMM ........................................... 1-18
1.4.4 Removing a DDR DIMM .......................................... 1-18
1.4.5 Installing a DDR2 DIMM ......................................... 1-19
1.4.6 Removing a DDR2 DIMM ........................................ 1-19
1.5 Expansion slots ................................................................... 1-20
1.5.1 Installing an expansion card .................................. 1-20
1.5.2 Configuring an expansion card.............................. 1-20
1.5.3 Interrupt assignments .......................................... 1-21
1.5.4 PCI slots ................................................................ 1-22
1.5.5 PCI Express x16 slot ............................................. 1-22
1.5.6 PCI Express x1 slot ............................................... 1-22
1.6 Jumpers .............................................................................. 1-23
1.7 Connectors ......................................................................... 1-26
1.7.1 Rear panel connectors .......................................... 1-26
1.7.2 Internal connectors............................................... 1-28

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Contents
Chapter 2:Chapter 2:
Chapter 2:Chapter 2:
Chapter 2: BIOS setupBIOS setup
BIOS setupBIOS setup
BIOS setup
2.1 Managing and updating your BIOS ........................................ 2-2
2.1.1 Creating a bootable floppy disk .............................. 2-2
2.1.2 ASUS EZ Flash utility .............................................. 2-3
2.1.3 AFUDOS utility ........................................................ 2-4
2.1.4 ASUS CrashFree BIOS 2 utility ................................ 2-6
2.2 BIOS setup program ........................................................... 2-10
2.2.1 BIOS menu screen ................................................. 2-11
2.2.2 Menu bar ............................................................... 2-11
2.2.3 Navigation keys .................................................... 2-11
2.2.4 Menu items ........................................................... 2-12
2.2.5 Sub-menu items ................................................... 2-12
2.2.6 Configuration fields .............................................. 2-12
2.2.7 Pop-up window ..................................................... 2-12
2.2.8 Scroll bar .............................................................. 2-12
2.2.9 General help .......................................................... 2-12
2.3 Main menu .......................................................................... 2-13
2.3.1 System Time ......................................................... 2-13
2.3.2 System Date ......................................................... 2-13
2.3.3 Legacy Diskette A ................................................ 2-13
2.3.4 Primary, Third, and Fourth IDE Master/Slave ........ 2-14
2.3.5 IDE Configuration .................................................. 2-15
2.3.6 System Information .............................................. 2-17
2.4 Advanced menu .................................................................. 2-18
2.4.1 LAN Cable Status ................................................. 2-18
2.4.2 USB Configuration ................................................. 2-19
2.4.3 CPU Configuration ................................................. 2-20
2.4.4 Chipset ................................................................. 2-21
2.4.5 Onboard Devices Configuration ............................ 2-23
2.4.6 PCI PnP ................................................................. 2-25

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Contents
2.5 Power menu ........................................................................ 2-27
2.5.1 Suspend Mode ...................................................... 2-27
2.5.2 Repost Video on S3 Resume ................................ 2-27
2.5.3 ACPI 2.0 Support .................................................. 2-27
2.5.4 ACPI APIC Support ................................................ 2-27
2.5.5 APM Configuration ................................................ 2-28
2.5.6 Hardware Monitor ................................................. 2-30
2.6 Boot menu .......................................................................... 2-32
2.6.1 Boot Device Priority .............................................. 2-32
2.6.2 Boot Settings Configuration ................................. 2-33
2.6.3 Security ................................................................ 2-34
2.7 Exit menu ........................................................................... 2-36

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Notices
Federal Communications Commission StatementFederal Communications Commission Statement
Federal Communications Commission StatementFederal Communications Commission Statement
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. 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.
Canadian Department of Communications StatementCanadian Department of Communications Statement
Canadian Department of Communications StatementCanadian Department of Communications Statement
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 CanadianThis class B digital apparatus complies with Canadian
This class B digital apparatus complies with CanadianThis class B digital apparatus complies with Canadian
This class B digital apparatus complies with Canadian
ICES-003.ICES-003.
ICES-003.ICES-003.
ICES-003.
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.

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Safety information
Electrical safetyElectrical safety
Electrical safetyElectrical safety
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 adapter 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 motherboard and adding devices on it, carefully read
all the manuals 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.

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P5GDC specifications summary
CPUCPU
CPUCPU
CPU
ChipsetChipset
ChipsetChipset
Chipset
Front Side BusFront Side Bus
Front Side BusFront Side Bus
Front Side Bus
MemoryMemory
MemoryMemory
Memory
Expansion slotsExpansion slots
Expansion slotsExpansion slots
Expansion slots
StorageStorage
StorageStorage
Storage
High DefinitionHigh Definition
High DefinitionHigh Definition
High Definition
AudioAudio
AudioAudio
Audio
LANLAN
LANLAN
LAN
USBUSB
USBUSB
USB
BIOS featuresBIOS features
BIOS featuresBIOS features
BIOS features
Special featuresSpecial features
Special featuresSpecial features
Special features
(continued on the next page)
LGA775 socket for Intel
®
Pentium
®
4/Celeron processor
Compatible with Intel
®
PCG 04A and 04B processors
Supports Intel
®
Hyper-Threading Technology
Northbridge: Intel
®
915P Memory Controller Hub (MCH)
Southbridge: Intel
®
ICH6R
800/533 MHz
Dual-channel memory architecture
2 x 240-pin DIMM sockets support unbufferred non-ECC
2 GB 600/533/400 MHz DDR2 memory modules
4 x 184-pin DIMM sockets support unbufferred non-ECC
4 GB 400/333 MHz DDR memory modules
1 x PCI Express x16 slot for discrete graphics card
2 x PCI Express x1 slots
3 x PCI slots
Intel
®
ICH6R Southbridge supports:
- 2 x Ultra DMA 100/66/33 hard disk drives
- 4 x Serial ATA hard disk drives with RAID 0, RAID 1
configuration and the Intel
®
Matrix Storage Technology
C-Media CMI9880 High Definition Audio solution
with 7.1-channel CODEC
1 x Coaxial S/PDIF out port
1 x Optical S/PDIF out port
Supports Dolby
®
Digital Live™ technology
Marvell
®
88E8053 PCI Express™ Gigabit LAN controller
Supports Marvell
®
Virtual Cable Tester Technology
Supports POST Network diagnostic program
Supports up to 8 USB 2.0 ports
4 MB Flash ROM, AMI BIOS, PnP, DMI2.0, SM BIOS 2.3,
WfM2.0
ASUS Q-Fan2
ASUS CrashFree BIOS 2
ASUS MyLogo™

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1 x PS/2 mouse port
1 x Parallel port
1 x LAN (RJ-45) port
4 x USB 2.0 ports
1 x Optical S/PDIF Out port
1 x Coaxial S/PDIF Out port
1 x PS/2 keyboard port
8-Channel audio ports
1 x Floppy disk drive connector
1 x Primary IDE connector
4 x Serial ATA connectors
1 x CPU fan connector
2 x Chassis fan connectors
1 x Power fan connector
1 x Serial port connector
2 x USB 2.0 connectors
1 x 24-pin ATX power connector
1 x 4-pin ATX 12 V power connector
1 x Optical drive audio connector
1 x Game/MIDI port connector
1 x Chassis intrusion connector
1 x Front panel audio connector
1 x System panel connector
Drivers
ASUS Update
ASUS PC Probe
ATX form factor: 12 in x 9.6 in (30.5 cm x 24.4 cm)
P5GDC specifications summary
Rear panelRear panel
Rear panelRear panel
Rear panel
InternalInternal
InternalInternal
Internal
connectorsconnectors
connectorsconnectors
connectors
Support CDSupport CD
Support CDSupport CD
Support CD
contentscontents
contentscontents
contents
Form factorForm factor
Form factorForm factor
Form factor
Specifications are subject to change without notice.

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1
Hardware
information
This chapter lists the hardware setup
procedures that you have to perform
when installing system components.
It includes description of the jumpers
and connectors on the motherboard.

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1-2 Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware information
Onboard LEDOnboard LED
Onboard LEDOnboard LED
Onboard LED
The motherboard comes with a standby power LED that lights up to
indicate that the system is ON, in sleep mode, or in soft-off mode.
This is a reminder that you should shut down the system and unplug
the power cable before removing or plugging in any motherboard
component. The illustration below shows the location of the onboard
LED.
1.1 Before you proceed
Take note of the following precautions before you install motherboard
components or change any motherboard settings.
• Unplug the power cord from the wall socket before touching any
component.
• 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
• Hold components by the edges to avoid touching the ICs on them.
• Whenever you uninstall any component, place it on a grounded
antistatic pad or in the bag that came with the component.
•Before you install or remove any component, ensureBefore you install or remove any component, ensure
Before you install or remove any component, ensureBefore you install or remove any component, ensure
Before you install or remove any component, ensure
that the ATX power supply is switched off or thethat the ATX power supply is switched off or the
that the ATX power supply is switched off or thethat the ATX power supply is switched off or the
that the ATX power supply is switched off or the
power cord is detached from the power supply.power cord is detached from the power supply.
power cord is detached from the power supply.power cord is detached from the power supply.
power cord is detached from the power supply. Failure
to do so may cause severe damage to the motherboard, peripherals,
and/or components.
P5GDC
P5GDC Onboard LED
SB_PWR1
ON
Standby
Power
OFF
Powered
Off

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1-3
1.2 Motherboard overview
Before you install the motherboard, study the configuration of your chassis
to ensure that the motherboard fits into it.
Make sure to unplug the power cord before installing or removing the
motherboard. Failure to do so can cause you physical injury and damage
motherboard components.
Do not overtighten the screws! Doing so can damage the motherboard.
1.2.11.2.1
1.2.11.2.1
1.2.1 Placement directionPlacement direction
Placement directionPlacement direction
Placement 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.
1.2.21.2.2
1.2.21.2.2
1.2.2 Screw holesScrew holes
Screw holesScrew holes
Screw holes
Place nine (9) screws into the holes indicated by circles to secure the
motherboard to the chassis.
Place this side towardsPlace this side towards
Place this side towardsPlace this side towards
Place this side towards
the rear of the chassisthe rear of the chassis
the rear of the chassisthe rear of the chassis
the rear of the chassis
P5GDC

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1-4 Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware information
1.2.31.2.3
1.2.31.2.3
1.2.3 Motherboard layoutMotherboard layout
Motherboard layoutMotherboard layout
Motherboard layout
P5GDC
CR2032 3V
Lithium Cell
CMOS Power
CD
Super
I/O
4Mb
FWH
ATX12V
FLOPPY1
AAFP
KBPWR1
SB_PWR1
USBPW34 USBPW12
F_PANEL1
CHASSIS1
GAME1
USB78
USB56
USBPW56
USBPW78
CLRTC1
PCI1
Intel
ICH6R
PWR_FAN1
PRI_IDE1
CMI9880
EATXPWR
PCI2
PCI3
Marvell
88E8053
R
PS/2KBMS
T: Mouse
B: Keyboard
Below:Mic In
Center:Line Out
Top:Line In
PARALLEL PORT
SPDIF_O1
LAN_USB34
PCIEX1_1
PCIEX1_2
PCIEX16
COM1
SATA1
CHA_FAN1
DDR_A2 (64 bit,184-pin module)
DDR2_B1 (64 bit,240-pin module)
DDR_B1 (64 bit,184-pin module)
DDR_B2 (64 bit,184-pin module)
DDR_A1 (64 bit,184-pin module)
DDR2_A1 (64 bit,240-pin module)
SATA3
SATA2
SATA4
USB1
USB2
CPU_FAN1
LGA775
SPDIF_O2
CHA_FAN2
Below:
Center/Subwoofer
Center:
Side Speaker Out
Top:Rear Speaker Out
Intel
915P
MCH
R
24.5cm (9.6in)
30.5cm (12.0in)
BUZZ1

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1.2.41.2.4
1.2.41.2.4
1.2.4 Layout ContentsLayout Contents
Layout ContentsLayout Contents
Layout Contents
SlotsSlots
SlotsSlots
Slots PagePage
PagePage
Page
1. DDR DIMM slots 1-12
2. PCI slots 1-22
3. PCI Express slots 1-22
JumpersJumpers
JumpersJumpers
Jumpers PagePage
PagePage
Page
1. Clear RTC RAM (3-pin CLRTC1) 1-23
2. USB Device wake-up (3-pin USBPW12, USBPW34, USBPW56, USBPW78) 1-24
3. Keyboard power (3-pin KBPWR1) 1-25
Rear panel connectorsRear panel connectors
Rear panel connectorsRear panel connectors
Rear panel connectors PagePage
PagePage
Page
1. PS/2 mouse port 1-26
2. Parallel port 1-26
3. LAN (RJ-45) port 1-26
4. Rear Speaker Out port 1-26
5. Side Speaker Out port 1-26
6. Line In port 1-26
7. Line Out port 1-26
8. Microphone port 1-27
9. Center/Subwoofer port 1-27
10. USB 2.0 ports 3 and 4 1-27
11. USB 2.0 ports 1 and 2 1-27
12. Optical S/PDIF Out port 1-27
13. Coaxial S/PDIF Out port 1-27
14. PS/2 keyboard port 1-27

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1-6 Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware information
Internal connectorsInternal connectors
Internal connectorsInternal connectors
Internal connectors PagePage
PagePage
Page
1. Floppy disk drive connector (34-1 pin FLOPPY) 1-28
2. Primary IDE connector (40-1 pin PRI_IDE) 1-29
4. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4) 1-30
5. CPU fan connector (4-pin CPU_FAN1) 1-31
6. Chassis fan connectors (3-pin CHA_FAN1, CHA_FAN2) 1-31
7. Power fan connector (3-pin PWR_FAN1) 1-31
8. Serial port connector (10-1 pin COM1) 1-32
9. USB connectors (10-1 USB56, USB78) 1-32
10. ATX power connector (24-pin EATXPWR) 1-33
11. ATX 12V power connector (4-pin ATX12V) 1-33
12. Optical drive audio connector (4-pin CD) 1-34
13. GAME/MIDI connector (16-1 pin GAME) 1-34
14. Chassis intrusion connector (4-1 pin CHASSIS) 1-35
15. Front panel audio connector (10-1 pin AAFP) 1-36
16. SI panel connectors (10-1 pin F_PANEL1) 1-37
- Hard Disk activity (2-pin IDE_LED)
- Power/Soft-off button(2-pin PWRSW)
- Reset switch (2-pin RESET)

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1.3.11.3.1
1.3.11.3.1
1.3.1 Installing the CPUInstalling the CPU
Installing the CPUInstalling the CPU
Installing the CPU
To install a CPU:
1. Locate the CPU socket on the motherboard.
1.3 Central Processing Unit (CPU)
The motherboard comes with a surface mount LGA775 socket designed for
the Intel
®
Pentium
®
4 processor in the 775-land package.
Before installing the CPU, make sure that the socket box is facing
towards you and the load lever is on your left.
• Your boxed Intel
®
Pentium
®
4 LGA775 processor package should
come with installation instructions for the CPU, heatsink, and the
retention mechanism. If the instructions in this section do not match
the CPU documentation, follow the latter.
• Upon purchase of the motherboard, make sure that the PnP cap is
on the socket and the socket contacts are not bent. Contact your
retailer immediately if the PnP cap is missing, or if you see any
damage to the PnP cap/socket contacts/motherboard components.
ASUS will shoulder the cost of repair only if the damage is shipment/
transit-related.
• Keep the cap after installing the motherboard. ASUS will process
Return Merchandise Authorization (RMA) requests only if the
motherboard comes with the cap on the LGA775 socket.
• The product warranty does not cover damage to the socket
contacts resulting from incorrect CPU installation/removal, or
misplacement/loss/incorrect removal of the PnP cap.
P5GDC
P5GDC CPU Socket 775

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1-8 Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware information
3. Lift the load lever in the
direction of the arrow to a 135º
angle.
4. Lift the load plate with your
thumb and forefinger to a
100º angle (A), then push
the PnP cap from the load
plate window to remove (B).
To prevent damage to the socket pins, do not remove the PnP cap
unless you are installing a CPU.
5. Position the CPU over
the socket, making
sure that the gold
triangle is on the
bottom-left corner of
the socket. The
socket alignment key
should fit into the
CPU notch.
Alignment keyAlignment key
Alignment keyAlignment key
Alignment key
Gold triangle markGold triangle mark
Gold triangle markGold triangle mark
Gold triangle mark
Load plateLoad plate
Load plateLoad plate
Load plate
A
B
2. Press the load lever with your thumb (A), then move it to the left (B)
until it is released from the retention tab.
Retention tabRetention tab
Retention tabRetention tab
Retention tab
Load leverLoad lever
Load leverLoad lever
Load lever
This side of theThis side of the
This side of theThis side of the
This side of the
socket box shouldsocket box should
socket box shouldsocket box should
socket box should
face you.face you.
face you.face you.
face you.
PnP capPnP cap
PnP capPnP cap
PnP cap
A
B

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Notes on IntelNotes on Intel
Notes on IntelNotes on Intel
Notes on Intel
®
Hyper-Threading TechnologyHyper-Threading Technology
Hyper-Threading TechnologyHyper-Threading Technology
Hyper-Threading Technology
• This motherboard supports Intel
®
Pentium
®
4 CPUs in the 775-land
package with Hyper-Threading Technology.
• Hyper-Threading Technology is supported under Windows
®
XP/2003
Server and Linux 2.4.x (kernel) and later versions only. Under Linux,
use the Hyper-Threading compiler to compile the code. If you are
using any other operating systems, disable the Hyper-Threading
Techonology item in the BIOS to ensure system stability and
performance.
• Installing Windows
®
XP Service Pack 1 or later version is recommended.
• Make sure to enable the Hyper-Threading Technology item in BIOS
before installing a supported operating system.
• For more information on Hyper-Threading Technology, visit
www.intel.com/info/hyperthreading.
To use the Hyper-Threading Technology on this motherboard:
1. Install an Intel
®
Pentium
®
4 CPU that supports Hyper-Threading
Technology.
2. Power up the system and enter the BIOS Setup (see Chapter 2: BIOS
setup). Under the Advanced Menu, make sure that the item
Hyper-Threading Technology is set to Enabled. The item appears only
if you installed a CPU that supports Hyper-Threading Techonology.
3. Reboot the computer.
The CPU fits in only one correct orientation. DO NOT force the CPU into
the socket to prevent bending the connectors on the socket and
damaging the CPU!
6. Close the load plate (A), then
push the load lever (B) until
it snaps into the retention
tab.
A
B

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1-10 Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware informationChapter 1: Hardware information
Chapter 1: Hardware information
Follow these steps to install the CPU heatsink and fan.
1. Place the heatsink on top of the
installed CPU, making sure that
the four pins match the holes on
the motherboard.
Push pinPush pin
Push pinPush pin
Push pin
Motherboard holeMotherboard hole
Motherboard holeMotherboard hole
Motherboard hole
1.3.21.3.2
1.3.21.3.2
1.3.2 Installling the CPU heatsink and fanInstallling the CPU heatsink and fan
Installling the CPU heatsink and fanInstallling the CPU heatsink and fan
Installling the CPU heatsink and fan
The Intel
®
Pentium
®
4 LGA775 processor requires a specially designed
heatsink and fan assembly to ensure optimum thermal condition and
performance.
• Install the motherboard to the chassis before you install the CPU fan
and heatsink assembly
• When you buy a boxed Intel
®
Pentium
®
4 processor, the package
includes the CPU fan and heatsink assembly. If you buy a CPU
separately, make sure that you use only Intel
®
-certified
multi-directional heatsink and fan.
• Your Intel
®
Pentium
®
4 LGA775 heatsink and fan assembly comes in
a push-pin design and requires no tool to install.
If you purchased a separate CPU heatsink and fan assembly, make sure
that a Thermal Interface Material is properly applied to the CPU heatsink
or CPU before you install the heatsink and fan assembly.