ASUS P5GD1 User Manual
P5GD1-FM
Motherboard
E1798E1798
E1798
E1798E1798
First EditionFirst Edition
First Edition
First EditionFirst Edition
October 2004October 2004
October 2004
October 2004October 2004
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.
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Contents
Notices ............................................................................................ 1-vi
Safety information .......................................................................... 1-vii
P5GD1-FM specifications summary ................................................ 1-viii
Chapter 1:Chapter 1:
Chapter 1:
Chapter 1:Chapter 1:
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
1.3 Central Processing Unit (CPU) .............................................. 1-5
1.3.1 Installing the CPU.................................................... 1-5
1.3.2 Installing the CPU heatsink and fan ........................ 1-8
1.3.3 Uninstalling the CPU heatsink and fan .................. 1-10
1.4 System memory ................................................................. 1-12
1.4.1 DIMM sockets location .......................................... 1-12
1.4.2 Memory Configurations .........................................1-12
1.4.3 Installing a DIMM ................................................... 1-14
1.4.4 Removing a DIMM ................................................. 1-14
1.5 Expansion slots ................................................................... 1-15
Product introductionProduct introduction
Product introduction
Product introductionProduct introduction
1.5.1 Installing an expansion card .................................. 1-15
1.5.2 Configuring an expansion card.............................. 1-15
1.5.3 Interrupt assignments .......................................... 1-16
1.5.4 PCI slots ................................................................ 1-17
1.5.5 PCI Express x16 slot .............................................1-17
1.6 Jumpers .............................................................................. 1-18
1.7 Connectors ......................................................................... 1-22
1.7.1 Rear panel connectors .......................................... 1-22
1.7.2 Internal connectors............................................... 1-23
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Contents
Chapter 2:Chapter 2:
Chapter 2:
Chapter 2:Chapter 2:
2.1 Managing and updating your BIOS ........................................ 2-2
2.1.1 Creating a bootable floppy disk .............................. 2-2
2.1.2 AFUDOS utility ........................................................ 2-3
2.1.3 ASUS EZ Flash utility .............................................. 2-5
2.1.4 ASUS CrashFree BIOS 2 utility ................................ 2-7
2.2 BIOS setup program ............................................................. 2-9
2.2.1 BIOS menu screen ................................................. 2-10
2.2.2 Menu bar ............................................................... 2-10
2.2.3 Navigation keys .................................................... 2-10
2.2.4 Menu items ........................................................... 2-11
2.2.5 Sub-menu items ................................................... 2-11
2.2.6 Configuration fields .............................................. 2-11
2.2.7 Pop-up window ..................................................... 2-11
2.2.8 Scroll bar .............................................................. 2-11
2.2.9 General help .......................................................... 2-11
BIOS SetupBIOS Setup
BIOS Setup
BIOS SetupBIOS Setup
2.3 Main menu .......................................................................... 2-12
2.3.1 System Time ......................................................... 2-12
2.3.2 System Date ......................................................... 2-12
2.3.3 Legacy Diskette A ................................................ 2-12
2.3.4 Primary, Third, and Fourth IDE Master/Slave ........ 2-13
2.3.5 IDE Configuration .................................................. 2-14
2.3.6 System Information .............................................. 2-15
2.4 Advanced menu .................................................................. 2-16
2.4.1 USB Configuration................................................. 2-16
2.4.2 CPU Configuration ................................................. 2-17
2.4.3 Chipset ................................................................. 2-19
2.4.4 Onboard Devices Configuration ............................ 2-21
2.4.5 PCI PnP ................................................................. 2-22
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Contents
2.5 Power menu ........................................................................ 2-24
2.5.1 ACPI Aware O/S .................................................... 2-24
2.5.2 Suspend Mode ...................................................... 2-24
2.5.3 Repost Video on S3 Resume ................................ 2-24
2.5.4 ACPI 2.0 Support .................................................. 2-24
2.5.5 ACPI APIC Support ................................................ 2-24
2.5.6 APM Configuration ................................................ 2-25
2.5.7 Hardware Monitor ................................................. 2-26
2.6.1 Boot Device Priority .............................................. 2-28
2.6 Boot menu .......................................................................... 2-28
2.6.2 Boot Settings Configuration ................................. 2-29
2.6.3 Security ................................................................ 2-30
2.7 Exit menu ........................................................................... 2-32
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Notices
Federal Communications Commission StatementFederal Communications Commission Statement
Federal Communications Commission Statement
Federal Communications Commission StatementFederal 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.
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 StatementCanadian Department of Communications Statement
Canadian Department of Communications Statement
Canadian Department of Communications StatementCanadian 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 Canadian
This class B digital apparatus complies with CanadianThis class B digital apparatus complies with Canadian
ICES-003.ICES-003.
ICES-003.
ICES-003.ICES-003.
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Safety information
Electrical safetyElectrical safety
Electrical safety
Electrical safetyElectrical 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 safetyOperation safety
Operation safety
Operation safetyOperation 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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P5GD1-FM specifications summary
CPUCPU
CPU
CPUCPU
LGA775 socket for Intel® Pentium® 4/Celeron processor
Compatible with Intel® Performance Universal FMB 2005
processors
Supports Intel® Hyper-Threading Technology
ChipsetChipset
Chipset
ChipsetChipset
Front Side BusFront Side Bus
Front Side Bus
Front Side BusFront Side Bus
MemoryMemory
Memory
MemoryMemory
Expansion slotsExpansion slots
Expansion slots
Expansion slotsExpansion slots
StorageStorage
Storage
StorageStorage
High DefinitionHigh Definition
High Definition
High DefinitionHigh Definition
AudioAudio
Audio
AudioAudio
LANLAN
LAN
LANLAN
USBUSB
USB
USBUSB
Northbridge: Intel
®
915P Memory and Controller Hub (MCH)
Southbridge: Intel® 82801FB ICH6
800/533 MHz
4 x 184-pin DIMM sockets support unbufferred non-ECC
400/333 MHz DDR memory modules
1 x PCI Express x16 slot for discrete graphics card
3 x PCI slots
®
Intel
ICH6 Southbridge supports:
- 2 x Ultra ATA 100/66/33 hard disk drives
- 4 x Serial ATA hard disk drives
®
Realtek
ALC861 8-channel CODEC with Jack-sensing
and Universal Audio Jack (UAJ®) technology
1 x Optical S/PDIF out port
Realtek® RTL8101L LAN controller
Supports up to 8 USB 2.0 ports
IEEE 1394IEEE 1394
IEEE 1394
IEEE 1394IEEE 1394
BIOS featuresBIOS features
BIOS features
BIOS featuresBIOS features
Rear panelRear panel
Rear panel
Rear panelRear panel
T1 controller supports:
- 2 x IEEE 1394a ports
4 MB FWH, AMI BIOS, Green, PnP, DMI2.0, WfM2.0,
ACPI 2.0a, SM BIOS 2.3
1 x Serial port
1 x Optical S/PDIF out port
1 x IEEE 1394a port
1 x LAN (RJ-45) port
4 x USB 2.0 ports
8-channel audio ports
(continued on the next page)
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P5GD1-FM specifications summary
InternalInternal
Internal
InternalInternal
connectorsconnectors
connectors
connectorsconnectors
PowerPower
Power
PowerPower
requirementrequirement
requirement
requirementrequirement
1 x Floppy disk drive connector
1 x Primary IDE connector
4 x Serial ATA connectors
1 x CPU fan connector
1 x Chassis fan 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 Front panel audio connector
1 x IEEE 1394a port
1 x Optical drive audio connector
1 x System panel connector
ATX power supply (with 24-pin and 4-pin 12 V plugs)
ATX 12 V 2.0 compliant
Form factorForm factor
Form factor
Form factorForm factor
Micro ATX form factor: 9.6 in x 9.6 in (24.5 cm x 24.5 cm)
*Specifications are subject to change without notice.
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This chapter describes the motherboard
features and the new technologies
it supports.
introduction
Product
1
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 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, ensure
Before you install or remove any component, ensureBefore 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 the
that the ATX power supply is switched off or thethat 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. Failure
power cord is detached from the power supply. power cord is detached from the power supply.
to do so may cause severe damage to the motherboard, peripherals,
and/or components.
Onboard LEDOnboard LED
Onboard LED
Onboard LEDOnboard 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.
ON
Standby
Power
SB_PWR1
OFF
Powered
Off
®
P5GD1-FM
P5GD1-FM Onboard LED
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Chapter 1: Product introductionChapter 1: Product introduction
Chapter 1: Product introduction
Chapter 1: Product introductionChapter 1: Product introduction
1.2 Motherboard overview
Before you install the motherboard, study the configuration of your chassis
to ensure that the motherboard fits into it. Refer to the chassis
documentation before installing the mothebroard.
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.
1.2.11.2.1
1.2.1
1.2.11.2.1
Placement directionPlacement direction
Placement direction
Placement directionPlacement direction
When installaing 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
1.2.2
1.2.21.2.2
Screw holesScrew holes
Screw holes
Screw holesScrew holes
Place eight (8) screws into the holes indicated by circles to secure the
motherboard to the chassis.
Do not overtighten the screws! Doing so can damage the motherboard.
Place this side towardsPlace this side towards
Place this side towards
Place this side towardsPlace this side towards
the rear of the chassisthe rear of the chassis
the rear of the chassis
the rear of the chassisthe rear of the chassis
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®
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1.2.31.2.3
1.2.3
1.2.31.2.3
Motherboard layoutMotherboard layout
Motherboard layout
Motherboard layoutMotherboard layout
COM1
SPDIF_O2
F_USB12
LAN_USB34
Top:Rear Speaker Out
Center:
Side Speaker Out
Below:
Center/Subwoofer
Top:Line In
Center:Line Out
Below:Mic In
RTL8101L
AAFP1
CD1
ALC861
USBPW34
USBPW12
ATX12V1
P5GD1-FM
PCIEX16
®
PCI1
PCI2
PCI3
CHA_FAN1
CPU_FAN1
LGA775
R
Intel
915P
MCH
SB_PWR1
TI
TSB43AB22A
IE1394_2 USB78USB56
DDR DIMM_A1 (64 bit,240-pin module)
DDR DIMM_A2 (64 bit,240-pin module)
DDR DIMM_B1 (64 bit,240-pin module)
DDR DIMM_B2 (64 bit,240-pin module)
PRI_IDE1
BIOS_S
BIOS_R
CR2032 3V
Lithium Cell
CMOS Power
USBPW78
USBPW56
Intel
ICH6
CLRTC1
SATA 4
SATA 3
SATA 2
SATA 1
Intel FWH
4Mb
I/O
Super
FLOPPY1
EATXPWR1
BUZZ1
F_PANEL1
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Chapter 1: Product introductionChapter 1: Product introduction
Chapter 1: Product introduction
Chapter 1: Product introductionChapter 1: Product introduction
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.
• 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.
1.3.11.3.1
1.3.1
1.3.11.3.1
Installing the CPUInstalling the CPU
Installing the CPU
Installing the CPUInstalling the CPU
To install a CPU:
1. Locate the CPU socket on the motherboard.
®
P5GD1-FM
P5GD1-FM Socket 775
Before installing the CPU, make sure that the socket box is facing
towards you and the load lever is on your left.
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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 tab
Retention tabRetention tab
A
PnP capPnP cap
PnP cap
Load leverLoad lever
Load lever
Load leverLoad lever
PnP capPnP cap
To prevent damage to the socket pins, do not remove the PnP cap
unless you are installing a CPU.
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).
B
This side of theThis side of the
This side of the
This side of theThis side of the
socket box shouldsocket box should
socket box should
socket box shouldsocket box should
face you.face you.
face you.
face you.face you.
B
A
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.
1-61-6
1-6
1-61-6
Load plateLoad plate
Load plate
Load plateLoad plate
Alignment keyAlignment key
Alignment key
Alignment keyAlignment key
Gold triangle markGold triangle mark
Gold triangle mark
Gold triangle markGold triangle mark
Chapter 1: Product introductionChapter 1: Product introduction
Chapter 1: Product introduction
Chapter 1: Product introductionChapter 1: Product introduction
6. Close the load plate (A), then
push the load lever (B) until
it snaps into the retention
tab.
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!
A
B
Notes on IntelNotes on Intel
Notes on Intel
Notes on IntelNotes on Intel
• This motherboard supports Intel® Pentium® 4 CPUs in the 775-land
• Hyper-Threading Technology is supported under Windows
• Installing Windows
• Make sure to enable the Hyper-Threading Technology item in BIOS
• For more information on Hyper-Threading Technology, visit
®
Hyper-Threading Technology Hyper-Threading Technology
Hyper-Threading Technology
Hyper-Threading Technology Hyper-Threading Technology
package with Hyper-Threading Technology.
®
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.
®
XP Service Pack 1 or later version is recommended.
before installing a supported operating system.
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.
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1.3.21.3.2
1.3.2
1.3.21.3.2
Installing the CPU heatsink and fanInstalling the CPU heatsink and fan
Installing the CPU heatsink and fan
Installing the CPU heatsink and fanInstalling 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.
•
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 you have properly applied Thermal Interface Material to the
CPU heatsink or CPU before you install the heatsink and fan
assembly.
Make sure that you have installed the motherboard to the chassis before
you install the CPU fan and heatsink assembly.
To install the CPU heatsink and fan:
1. Place the heatsink on top of the
installed CPU, making sure that
the four fasteners match the
holes on the motherboard.
Orient the heatsink and fan
assembly such that the CPU
fan cable is closest to the
CPU fan connector.
Narrow endNarrow end
Narrow end
Narrow endNarrow end
of the grooveof the groove
of the groove
of the grooveof the groove
Motherboard holeMotherboard hole
Motherboard hole
Motherboard holeMotherboard hole
FastenerFastener
Fastener
FastenerFastener
1-81-8
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1-81-8
Make sure to orient each fastener with the narrow end of the groove
pointing outward. (The photo shows the groove shaded for emphasis.)
Chapter 1: Product introductionChapter 1: Product introduction
Chapter 1: Product introduction
Chapter 1: Product introductionChapter 1: Product introduction
2. Push down two fasteners at
a time in a diagonal
sequence to secure the
heatsink and fan assembly in
place.
B
A
B
A
A
B
B
A
3. Connect the CPU fan cable to the connector on the motherboard
labeled CPU_FAN1.
CPU_FAN1
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
®
P5GD1-FM
P5GD1-FM CPU_FAN connector
Do not forget to connect the CPU fan connector! Hardware monitoring
errors can occur if you fail to plug this connector.
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1.3.31.3.3
1.3.3
1.3.31.3.3
Uninstalling the CPU heatsink and fanUninstalling the CPU heatsink and fan
Uninstalling the CPU heatsink and fan
Uninstalling the CPU heatsink and fanUninstalling the CPU heatsink and fan
To uninstall the CPU heatsink and fan:
1. Disconnect the CPU fan
cable from the connector on
the motherboard.
2. Rotate each fastener
counterclockwise.
3. Pull up two fasteners at a
time in a diagonal sequence
to disengage the heatsink
and fan assembly from the
A
motherboard.
B
A
B
A
B
B
A
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Chapter 1: Product introductionChapter 1: Product introduction
Chapter 1: Product introduction
Chapter 1: Product introductionChapter 1: Product introduction
4. Carefully remove the
heatsink and fan assembly
from the motherboard.
5. Rotate each fastener
clockwise to ensure correct
orientation when
reinstalling.
The narrow end of the
groove should point
outward after resetting.
(The photo shows the
groove shaded for
emphasis.)
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Narrow end of the grooveNarrow end of the groove
Narrow end of the groove
Narrow end of the grooveNarrow end of the groove
1-111-11
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1.4 System memory
1.4.11.4.1
1.4.1
1.4.11.4.1
DIMM sockets locationDIMM sockets location
DIMM sockets location
DIMM sockets locationDIMM sockets location
The motherboard comes with two 184-pin Double Data Rate (DDR) Dual
Inline Memory Modules (DIMM) sockets.
The following figure illustrates the location of the sockets:
DIMM_A1
®
P5GD1-FM
P5GD1-FM 184-pin DDR DIMM sockets
ChannelChannel
Channel
ChannelChannel
SocketsSockets
Sockets
SocketsSockets
DIMM_A2
DIMM_B1
DIMM_B2
ColorColor
Color
ColorColor
Channel AChannel A
Channel A
Channel AChannel A
Channel BChannel B
Channel B
Channel BChannel B
1.4.21.4.2
1.4.2
1.4.21.4.2
Memory ConfigurationsMemory Configurations
Memory Configurations
Memory ConfigurationsMemory Configurations
DIMM_A1 and DIMM_B1DIMM_A1 and DIMM_B1
DIMM_A1 and DIMM_B1
DIMM_A1 and DIMM_B1DIMM_A1 and DIMM_B1
DIMM_A2 and DIMM_B2DIMM_A2 and DIMM_B2
DIMM_A2 and DIMM_B2
DIMM_A2 and DIMM_B2DIMM_A2 and DIMM_B2
BlueBlue
Blue
BlueBlue
BlackBlack
Black
BlackBlack
You may install 256 MB, 512 MB and 1 GB unbuffered non-ECC DDR DIMMs
into the DIMM sockets using the memory configurations in this section.
• For dual-channel configuration, the total size of memory module(s)
installed per channel must tbe the same (DIMM_A2 = DIMM_B2).
• Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules
from the same vendor. Refer to the DDR Qualified Vendors List on
the next page for details.
• Due to chipset resource allocation, the system may detect less than
4 GB system memory when you installed four 1 GB DDR memory
modules.
1-121-12
1-12
1-121-12
• This motherboard does not support memory modules made up of
128 Mb chips or double sided x16 memory modules.
Chapter 1: Product introductionChapter 1: Product introduction
Chapter 1: Product introduction
Chapter 1: Product introductionChapter 1: Product introduction
Recommended memory configurationsRecommended memory configurations
Recommended memory configurations
Recommended memory configurationsRecommended memory configurations
Sockets Sockets
Sockets
Sockets Sockets
ModeMode
Mode
ModeMode
Single-channel (1) Installed — — —
Dual-channel* (1) Installed — Installed —
* Use only identical DDR DIMM pairs.* Use only identical DDR DIMM pairs.
* Use only identical DDR DIMM pairs.
* Use only identical DDR DIMM pairs.* Use only identical DDR DIMM pairs.
DIMM_A1DIMM_A1
DIMM_A1
DIMM_A1DIMM_A1
(blue)(blue)
(blue)
(blue)(blue)
(2) — Installed — —
(3) — — Installed —
(4) — — — Installed
(2) — Installed — Installed
(3) Installed Installed Installed Installed
DIMM_A2DIMM_A2
DIMM_A2
DIMM_A2DIMM_A2
(black)(black)
(black)
(black)(black)
DIMM_B1DIMM_B1
DIMM_B1
DIMM_B1DIMM_B1
(blue)(blue)
(blue)
(blue)(blue)
DIMM_B2DIMM_B2
DIMM_B2
DIMM_B2DIMM_B2
(black)(black)
(black)
(black)(black)
ASUS P5GD1-FMASUS P5GD1-FM
ASUS P5GD1-FM
ASUS P5GD1-FMASUS P5GD1-FM
1-131-13
1-13
1-131-13
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