Motherboard
P5G41-M LE
E4833
First Edition V1
June 2009
Copyright © 2009 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.
ii
Contents
Notices.......................................................................................................... vi
Safety information...................................................................................... vii
About this guide........................................................................................ viii
P5G41-M LE specifications summary........................................................ ix
Chapter 1:
Product introduction
1.1
Welcome!....................................................................................... 1-1
1.2
Package contents.......................................................................... 1-1
1.3
Special features............................................................................. 1-1
1.3.1
Product highlights............................................................ 1-1
1.3.2
Innovative ASUS features................................................ 1-2
1.4
Before you proceed...................................................................... 1-4
1.5
Motherboard overview.................................................................. 1-5
1.6
1.7
1.8
1.5.1
Placement direction......................................................... 1-5
1.5.2
Screw holes..................................................................... 1-5
1.5.3
Motherboard layout.......................................................... 1-6
1.5.4
Layout contents................................................................ 1-6
Central Processing Unit (CPU).................................................... 1-7
1.6.1
Installing the CPU............................................................ 1-7
1.6.2
Installing the CPU heatsink and fan............................... 1-10
1.6.3
Uninstalling the CPU heatsink and fan...........................1-11
System memory.......................................................................... 1-12
1.7.1
Overview........................................................................ 1-12
1.7.2
Memory configurations................................................... 1-13
1.7.3
Installing a DIMM........................................................... 1-20
1.7.4
Removing a DIMM......................................................... 1-20
Expansion slots........................................................................... 1-21
1.8.1
Installing an expansion card.......................................... 1-21
1.8.2
Configuring an expansion card...................................... 1-21
1.8.3
PCI slots......................................................................... 1-21
1.8.4
PCI Express x1 slot........................................................ 1-21
1.8.5
PCI Express x16 slot...................................................... 1-21
1.9
Jumpers....................................................................................... 1-22
1.10
Connectors.................................................................................. 1-24
1.10.1
Rear panel connectors................................................... 1-24
1.10.2
Internal connectors........................................................ 1-25
iii
Contents
1.11
Software support......................................................................... 1-32
1.11.1
Installing an operating system....................................... 1-32
1.11.2
Support DVD information............................................... 1-32
Chapter 2:
2.1
2.2
2.3
2.4
2.5
iv
BIOS information
Managing and updating your BIOS............................................. 2-1
2.1.1
ASUS Update utility......................................................... 2-1
2.1.2
ASUS EZ Flash 2 utility.................................................... 2-2
2.1.3
ASUS CrashFree BIOS 3 utility....................................... 2-3
BIOS setup program..................................................................... 2-4
2.2.1
BIOS menu screen........................................................... 2-5
2.2.2
Menu bar.......................................................................... 2-5
2.2.3
Navigation keys................................................................ 2-6
2.2.4
Menu items...................................................................... 2-6
2.2.5
Submenu items................................................................ 2-6
2.2.6
Configuration fields.......................................................... 2-6
2.2.7
Pop-up window................................................................ 2-6
2.2.8
Scroll bar.......................................................................... 2-6
2.2.9
General help.................................................................... 2-6
Main menu..................................................................................... 2-7
2.3.1
System Time [xx:xx:xx].................................................... 2-7
2.3.2
System Date [Day xx/xx/xxxx].......................................... 2-7
2.3.3
Primary IDE Master/Slave, SATA1~4............................... 2-7
2.3.4
Storage Configuration...................................................... 2-8
2.3.5
System Information.......................................................... 2-9
Advanced menu............................................................................ 2-9
2.4.1
JumperFree Configuration............................................... 2-9
2.4.2
CPU Configuration..........................................................2-11
2.4.3
Chipset........................................................................... 2-12
2.4.4
Onboard Devices Configuration..................................... 2-13
2.4.5
USB Configuration......................................................... 2-13
2.4.6
PCI PnP......................................................................... 2-14
Power menu................................................................................. 2-15
2.5.1
Suspend Mode [Auto].................................................... 2-15
2.5.2
ACPI 2.0 Support [Enabled]........................................... 2-15
2.5.3
ACPI APIC Support [Enabled]........................................ 2-15
Contents
2.6
2.7
2.8
2.5.4
Anti Surgy Support [Enabled]......................................... 2-15
2.5.5
APM Configuration......................................................... 2-15
2.5.6
Hardware Monitor.......................................................... 2-16
Boot menu................................................................................... 2-17
2.6.1
Boot Device Priority....................................................... 2-17
2.6.2
Boot Settings Configuration........................................... 2-17
2.6.3
Security.......................................................................... 2-18
Tools menu.................................................................................. 2-19
2.7.1
ASUS EZ Flash 2........................................................... 2-19
2.7.2
AI NET 2........................................................................ 2-19
Exit menu..................................................................................... 2-20
Notices
ASUS REACH
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of
Chemicals) regulatory framework, we published the chemical substances in our products at
ASUS REACH website at http://green.asus.com/english/REACH.htm.
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.
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.
DO NOT throw the motherboard in municipal waste. This product has been designed to
enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin
indicates that the product (electrical and electronic equipment) should not be placed in
municipal waste. Check local regulations for disposal of electronic products.
DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol
of the crossed out wheeled bin indicates that the battery should not be placed in municipal
waste.
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.
•
The optical S/PDIF is an optional component (may or may not be included in your
motherboard) and is defined as a CLASS 1 LASER PRODUCT.
INVISIBLE LASER RADIATION, AVOID EXPOSURE TO BEAM.
•
Never dispose of the battery in fire. It could explode and release harmful substances into
the environment.
• Never dispose of the battery with your regular household waste. Take it to a hazardous
material collection point.
• Never replace the battery with an incorrect battery type.
• RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
• DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY-RELATED
INSTRUCTIONS.
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.
This motherboard should only be used in environments with ambient temperatures between
5oC (41oF) and 40oC (104oF).
•
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 the information you need when installing and configuring the
motherboard.
How this guide is organized
This guide contains the following parts:
•
Chapter 1: Product introduction
•
This chapter describes the features of the motherboard and the new technology it
supports.
Chapter 2: BIOS information
This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.
Where to find more information
Refer to the following sources for additional information and for product and software
updates.
1. ASUS websites
2.
The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
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.
Conventions used in this guide
To make sure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.
DANGER/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: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
Typography
Bold text
Italics
<Key>
<Key1>+<Key2>+<Key3>
viii
Indicates a menu or an item to select.
Used to emphasize a word or a phrase.
Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.
If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+).
Example: <Ctrl>+<Alt>+<D>
P5G41-M LE specifications summary
CPU
LGA775 socket for Intel® Core™2 Quad / Core™2
Extreme / Core™2 Duo / Pentium® dual-core /
Celeron® dual-core / Celeron® processors
Supports Intel® 45nm multi-core CPU
Refer to www.asus.com for Intel® CPU support list.
Chipset
Northbridge: Intel® G41
Southbridge: Intel® ICH7
Front Side Bus
1333/1066/800 MHz
Memory
Dual channel memory architecture
- 2 x 240-pin DIMM sockets support unbuffered
non-ECC 1066(overclocking) /800/667 MHz DDR2
memory modules
- Supports up to 8GB system memory
* Refer to www.asus.com or this user manual for the
Memory QVL (Qualified Vendors Lists).
** When you install a total memory of 4GB capacity
or more, Windows® 32-bit operating system may only
recognize less than 3GB. We recommend a maximum
of 3GB system memory if you are using a Windows®
32-bit operating system.
Graphics
Intel® Graphics Media Accelerator (Intel® GMA X4500)
integrated
Supports RGB with max. resolution of 2048 x 1536@75Hz
Supports Microsoft® DirectX 10
Expansion Slots
1 x PCI Express x16 slot
1 x PCI Express x1 slot
2 x PCI slots
Storage
Southbridge Intel® ICH7 supports:
- 1 x UltraDMA 100 hard disk drive
- 4 x Serial ATA 3Gb/s ports
LAN
PCIe Gigabit LAN
Audio
High Definition Audio 6-channel CODEC
- Supports Jack-detect and Multi-streaming
technologies
- Supports S/PDIF out interface
USB
Max. 8 x USB 2.0/1.1 ports (4 ports at mid-board, 4 ports
at back panel)
ASUS Overclocking
Features
SFS (Stepless Frequency Selection):
- FSB tuning from 200 MHz up to 800 MHz at 1MHz
increment
Overclocking Protection:
- ASUS C.P.R. (CPU Parameter Recall)
(continued on the next page)
ix
P5G41-M LE specifications summary
ASUS Special Features
ASUS CrashFree BIOS 3
ASUS Q-Fan
ASUS EZ Flash 2
ASUS MyLogo 2
ASUS AI NET2
ASUS EPU-L
ASUS Turbo Key
ASUS Anti-Surge Protection
Back Panel I/O Ports
1 x PS/2 keyboard port
1 x PS/2 mouse port
1 x DVI port
1 x VGA port
1 x LAN (RJ-45) port
4 x USB 2.0/1.1 ports
6-channel audio I/O ports
Internal I/O Connectors
2 x USB 2.0 connectors supports additional 4 USB 2.0 ports
1 x IDE connector
4 x Serial ATA connectors
1 x High definition front panel audio connector
1 x System panel connector
1 x Internal speaker connector
1 x COM connector
1 x LPT connector
1 x S/PDIF output connector
1 x CPU fan connector
1 x chassis fan connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V power connector
BIOS features
8Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM 2.0,
ACPI v2.0a, SM BIOS v2.5
Support DVD Contents
Drivers
ASUS PC Probe II
ASUS LiveUpdate Utility
Anti-virus software (OEM version)
Accessories
2 x Serial ATA cables
1 x Ultra DMA 100/66 cable
1 x I/O shield
User Manual
Form factor
MicroATX form factor: 9.6 in x 7.8 in (24.4 cm x 19.8 cm)
*Specifications are subject to change without notice.
Chapter 1
Product introduction
1.1
Welcome!
Thank you for buying an ASUS® P5G41-M LE motherboard!
The motherboard delivers a host of new features and latest technologies, making it another
standout in the long line of ASUS quality motherboards!
Before you start installing the motherboard, and hardware devices on it, check the items in
your package with the list below.
1.2
Package contents
Check your motherboard package for the following items.
Motherboard
ASUS P5G41-M LE motherboard
Cables
2 x Serial ATA cables
1 x Ultra DMA 100/66 cable
Accessories
1 x I/O shield
Application DVD
ASUS motherboard support DVD
Documentation
User Manual
If any of the above items is damaged or missing, contact your retailer.
1.3
Special features
1.3.1
Product highlights
Intel® Core™2 Extreme / Core™2 Quad / Core™2 Duo CPU
support
This motherboard supports Intel® LGA775 Core™ 2 Extreme / Core™ 2
Quad / Core™ 2 Duo processors, which are excellent for multitasking,
multimedia, and enthusiastic gamers with 1333/ 1066/ 800 MHz FSB.
This motherboard also supports Intel® CPUs in the 45nm manufacturing
process.
ASUS P5G41-M LE
1-1
Intel® G41 Chipset
The Intel® G41 Express Chipset is the latest chipset designed to
support dual-channel DDR2 1066(overclocking)/800/667 architecture,
1333/1066/800 Front Side Bus (FSB), PCIe 1.1, and multi-core CPUs.
It provides digital home entertainment of full 1080p high-definition video
playback, including Blu-ray disc movies, with the next-generation Intel®
Graphics Media Acceleratior X4500. The Intel® G41 Express Chipset
delivers optimized 3D graphics performance and support for Microsoft
DirectX10. Shader Model 4.0 and OpenGL 2.1. It especially includes
Intel® Fast Memory Access technology the significantly optimized the use
of available memory bandwith and reduces the latency of the memory
accesses.
6-channel High Definition Audio
The onboard 6-channel RTL High Definition Audio CODEC enables highquality audio that automatically detects peripherals plugged into the audio
I/O jacks. It also supports the Windows® Vista Premium OS.
Gigabit LAN solution
The onboard LAN controller is a highly integrated Gb LAN controller. It is
enhanced with an ACPI management function to provide efficient power
management for advanced operating systems.
Serial ATA 3Gb/s technology
This motherboard supports hard drives based on the Serial ATA (SATA)
3Gb/s storage specifications, delivering enhanced scalability and
doubling the bus bandwidth for high-speed data saving and retrieval.
DVI Interface
DVI (Digital Visual Interface) provides high quality of digital display
devices such as LCD monitor. The interface of this motherboard supports
dual VGA output of both DVI-D/HDMI and RGB.
1.3.2
Innovative ASUS features
ASUS MyLogo2™
This feature allows you to convert your favorite photo into a 256-color
boot logo for a more colorful and vivid image on your screen.
ASUS CrashFree BIOS 3
ASUS CrashFree BIOS 3 is an auto-recovery tool that allows you to
restore a corrupted BIOS file using the bundled support DVD or USB disk
that contains the latest BIOS file.
1-2
Chapter 1: Product introduction
ASUS EZ Flash 2
ASUS EZ Flash 2 is a utility that allows you to update the BIOS without
using an OS-based utility.
ASUS Q-Fan
ASUS Q-Fan technology intelligently adjusts CPU fan speeds according
to system loading to ensure quiet, cool, and efficient operation.
ASUS AI NET2
ASUS AI NET2 remotely detects the cable connection immediately after
you turn on the system and any faulty cable connections are reported
back up to 100 meters at 1 meter accuracy.
ASUS Anti-Surge Protection
This special design protects expensive devices and the motherboard from
damage caused by power surges from switching power supply (PSU).
ASUS EPU-L
ASUS EPU (Engine Processing Unit) provides a total system power
management. It detects the current computer loading and intelligently
adjusts the power in real-time.
Turbo Key
ASUS Turbo Key allows you to turn the PC power button into a physical
overclocking button. After the easy setup, Turbo Key can boost
performances without interrupting ongoing work or games—with just one
touch!
C.P.R. (CPU Parameter Recall)
The BIOS C.P.R. feature automatically restores the CPU default settings
when the system hangs due to overclocking failure. C.P.R. eliminates the
need to open the system chassis and clear the RTC data. Simply shut
down and reboot the system, and the BIOS automatically restores the
CPU parameters to their default settings.
Green ASUS
This motherboard and its packaging comply with the European Union’s
Restriction on the use of Hazardous Substances (RoHS). This is in line
with the ASUS vision of creating environment-friendly and recyclable
products/packaging to safeguard consumers’ health while minimizing the
impact on the environment.
ASUS P5G41-M LE
1-3
1.4
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.
• Before handling components, use a grounded wrist strap or touch a safely grounded
object or a metal object, such as the power supply case, 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, 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, or components.
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 must 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.
SB_PWR
P5G41-M LE
ON
Standy Power
OFF
Powered Off
P5G41-M LE Onboard LED
1-4
Chapter 1: Product introduction
1.5
Motherboard overview
Before you install the motherboard, study the configuration of your chassis to ensure that the
motherboard fits into it.
Ensure that you unplug the power cord before installing or removing the motherboard.
Failure to do so can cause you physical injury and damage motherboard components.
1.5.1
Placement direction
1.5.2
Screw holes
When installing the motherboard, ensure 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.
Place six 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 towards
the rear of the chassis
P5G41-M LE
ASUS P5G41-M LE
1-5
1.5.3
Motherboard layout
1
5
2
3
4
5
6
19.8cm(7.8in)
CPU_FAN
KBPWR
KBMS
ATX12V
LAN1_USB12
Atheros
L1E
Intel®
G41
24.4cm(9.6in)
USBPW1-4
USB34
7
PRI_IDE
VGA
LGA775
DDR2 DIMM_B1 (64bit, 240-pin module)
DDR2 DIMM_A1 (64bit, 240-pin module)
DVI
ICS
9LRS954
2
EATXPWR
AUDIO
Lithium Cell
CMOS Power
PCIEX1_1
8
PCIEX16
Super
I/O
P5G41-M LE
8Mb
BIOS
Intel®
ICH7
PCI1
F_PANEL
CLRTC
SB_PWR
RTL
Audio
codec
PCI2
USBPW5-8
SPEAKER
SPDIF_OUT COM1
USB56
LPT
USB78
SATA4
SATA3
9
10
SATA1 SATA2
AAFP
17
1.5.4
1-6
16
15
14
13
12
3
11
Layout contents
Connectors/Jumpers/Slots/LED
Page
Connectors/Jumpers/Slots/LED
Page
1.
Keyboard power (3-pin KBPWR)
1-21
10.
Clear RTC RAM (3-pin CLTRC)
1-20
2.
ATX power connectors (24-pin EATXPWR, 4-pin
ATX12V)
1-25
11.
Serial ATA connectors (7-pin SATA 1-4)
1-23
3.
USB device wake-up (3-pin USBPW1-4, 3-pin
USBPW5-8)
1-21
12.
USB connectors (10-pin USB56 and
USB78)
1-27
4.
CPU socket
1-7
13.
Parallel port connector (26-1 pin LPT)
1-29
5.
CPU and chassis fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN)
1-26
14.
Serial port connector (10-1 pin COM)
1-29
6.
DDR2 DIMM slots
1-12
15.
Digital audio connector (4-1 pin
SPDIF_OUT)
1-27
7.
IDE connector (40-1 pin PRI_IDE)
1-24
16.
Front panel audio connector (10-pin AAFP)
1-26
8.
Standby power LED (SB_PWR)
1-4
17.
Speaker connector (4-pin SPEAKER)
1-23
9.
System panel connector (10-1 pin F_PANEL)
1-28
Chapter 1: Product introduction
1.6
Central Processing Unit (CPU)
The motherboard comes with a surface mount LGA775 socket designed for the Intel®
Core™2 Extreme / Core™2 Quad / Core™2 Duo / Pentium® dual-core / Celeron® dual-core /
Celeron® processors.
Unplug all power cables before installing the CPU.
• Upon purchase of the motherboard, ensure 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.
The motherboard supports Intel® LGA775 processors with the Intel® Enhanced Intel
SpeedStep® Technology (EIST) and Hyper-Threading Technology.
1.6.1
Installing the CPU
To install a CPU:
1.
Locate the CPU socket on the motherboard.
P5G41-M LE
P5G41-M LE CPU socket 775
Before installing the CPU, ensure that the cam box is facing towards you and the load lever
is on your left.
ASUS P5G41-M LE
1-7
2.
Press the load lever with your thumb
(A), then move it to the left (B) until it is
released from the retention tab.
To prevent damage to the socket
pins, do not remove the PnP cap
unless you are installing a CPU.
Retention tab
A
B
Load lever
3.
4.
Lift the load lever in the direction of the
arrow to a 135º angle.
PnP cap
Load plate
4B
Lift the load plate with your thumb and
forefinger to a 100º angle (4A), then
push the PnP cap from the load plate
window to remove (4B).
4A
3
5.
Position the CPU over the socket,
ensuring that the gold triangle is on the
bottom‑left corner of the socket then fit
the socket alignment key into the CPU
notch.
CPU notch
Gold
triangle
mark
Alignment key
1-8
Chapter 1: Product introduction
6.
Apply some Thermal Interface Material
to the exposed area of the CPU that the
heatsink will be in contact with, ensuring
that it is spread in an even thin layer.
Some heatsinks come with
pre-applied thermal paste. If so, skip
this step.
DO NOT eat the Thermal Interface Material. If it gets into your eyes or touches your skin,
ensure that you wash it off immediately, and seek professional medical help.
To prevent contaminating the paste, DO NOT spread the paste with your finger directly.
7.
Close the load plate (A), then push
the load lever (B) until it snaps into the
retention tab.
A
B
ASUS P5G41-M LE
1-9
1.6.2
Installing the CPU heatsink and fan
The Intel® LGA775 processor requires a specially designed heatsink and fan assembly to
ensure optimum thermal condition and performance.
• When you buy a boxed Intel® processor, the package includes the CPU fan and
heatsink assembly. If you buy a CPU separately, ensure that you use only Intel®‑certified
multi‑directional heatsink and fan.
• Your Intel® 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, ensure that you have
properly applied Thermal Interface Material to the CPU heatsink or CPU before you
install the heatsink and fan assembly.
Ensure 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, ensuring that the four fasteners match
the holes on the motherboard.
A
B
B
A
Orient the heatsink and fan assembly
such that the CPU fan cable is closest to
the CPU fan connector.
2.
Push down two fasteners at a time in a
diagonal sequence to secure the heatsink
and fan assembly in place.
A
B
B
A
1
1
The type of CPU heatsink and fan assembly may differ, but the installation steps and
functions should remain the same. The illustration above is for reference only.
1-10
Chapter 1: Product introduction
3.
Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CPU_FAN
P5G41-M LE
P5G41-M LE CPU fan connector
Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if
you fail to plug this connector.
1.6.3
Uninstalling 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 motherboard.
A
A
B
B
B
A
B
ASUS P5G41-M LE
A
1-11
4.
Carefully remove the heatsink and fan
assembly from the motherboard.
5.
Rotate each fastener clockwise to ensure
correct orientation when reinstalling.
1.7
System memory
1.7.1
Overview
DIMM_A1
DIMM_B1
The motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules
(DIMM) sockets. The figure illustrates the location of the DDR2 DIMM sockets:
Channel
Sockets
Channel A
DIMM_A1
Channel B
DIMM_B1
P5G41-M LE
P5G41-M LE 240-pin DDR2 DIMM sockets
1-12
Chapter 1: Product introduction
1.7.2
Memory configurations
You may install 512MB, 1GB, 2GB, and 4GB unbuffered non‑ECC DDR2 DIMMs into the
DIMM sockets.
• You may install varying memory sizes in Channel A and Channel B. The system maps the
total size of the lower-sized channel for the dual-channel configuration. Any excess memory
from the higher-sized channel is then mapped for single-channel operation.
• Always install DIMMs with the same CAS latency. For optimum compatibility, it is
recommended that you obtain memory modules from the same vendor.
• Due to the memory address limitation on 32-bit Windows® OS, when you install 4GB
or more memory on the motherboard, the actual usable memory for the OS can be
about 3GB or less. For effective use of memory, we recommend that you do any of the
following:
-
-
Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS.
Install a 64-bit Windows® OS when you want to install 4GB or more memory on the motherboard.
• This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less.
• This motherboard supports up to 8GB on Windows® XP Professional x64 and Windows®
Vista x64 editions. You may install a maximum of 4GB DIMMs on each slot.
• The default memory operation frequency is dependent on its Serial Presence Detect
(SPD), which is the standard way of accessing information from a memory module.
Under the default state, some memory modules for overclocking may operate at a lower
frequency than the vendor-marked value. To operate at the vendor-marked or at a higher
frequency, see section 2.4 Advanced menu for manual memory frequency adjustment.
• Some old-version DDR2-800 DIMMs may not match Intel®’s On‑Die‑Termination (ODT)
requirement and will automatically downgrade to run at DDR2-667. If this happens,
contact your memory vendor to check the ODT value.
• Due to chipset limitation, DDR2-800 with CL=4 will be downgraded to run at DDR2-667
by default setting. If you want to operate with lower latency, adjust the memory timing
manually.
ASUS P5G41-M LE
1-13
P5G41-M LE Motherboard Qualified Vendors Lists (QVL)
DDR2-667 MHz capability
Chip Brand
SS/DS
Chip No.
DIMM
support
M2OAD5G3H3160Q1C52 N/A
ADATA
SS
AD29608A8A-3EG20813
•
ADATA
M2OAD5G314170Q1C58 N/A
ADATA
DS
AD29608A8A-3EG80814
•
•
ADATA
M2OAD5H3J4170I1C53
N/A
ADATA
DS
AD20908A8A-3EG 30724
•
•
1GB
Apacer
78.01G9O.9K5
5
Apacer
SS
AM4B5808CQJS7E0751C
•
•
512MB
Apacer
78.91G92.9K5
5
Apacer
SS
AM4B5708JQJS7E0751C
•
•
512MB
Apacer
AU 512E667C5KBGC
5
Apacer
SS
AM4B5708GQJS7E06332F
•
•
512MB
Apacer
AU 512E667C5KBGC
5
Apacer
SS
AM4B5708MIJS7E0627B
•
•
2GB
Apacer
78.A1G9O.9K4
5
Apacer
DS
AM4B5808CQJS7E0749B
•
•
1GB
Apacer
AU01GE667C5KBGC
N/A
Apacer
DS
AM4B5708GQJS7E0636B
•
•
1GB
Apacer
AU01GE667C5KBGC
5
Apacer
DS
AM4B5708MIJS7E0627B
•
•
1GB
Corsair
VS1GB667D2
N/A
Corsair
DS
MID095D62864M8CEC
•
•
1GB
Corsair
XMS2-5400
4
Corsair
DS
Heat-Sink Package
•
•
4GB
(2 x 2GB)
G.SKILL
F2-5300CL5D-4GBMQ
5-5-5-15
G.SKILL
DS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
G.SKILL
F2-5400PHU2-2GBNT
5-5-5-15
G.SKILL
DS
D2 64M8CCF 0815 C7173S
•
•
1GB
GEIL
GX21GB5300SX
3
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GX22GB5300LX
5
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GX24GB5300LDC
5
GEIL
DS
Heat-Sink Package
•
•
1GB
HY
HYMP 512U64CP8-Y5 AB 5
Hynix
DS
HY5PS12521CFP-Y5
•
•
512MB
Kingmax
KLCC28F-A8KB5
N/A
Kingmax
SS
KKEA88B4LAUG-29DX
•
•
1GB
Kingmax
KLCD48F-A8KB5
N/A
Kingmax
DS
KKEA88B4LAUG-29DX
•
•
512MB
Kingston
KVR667D2N5/ 512
N/A
Kingston
SS
SO1237650821 SBP D6408TR4
CGL25USL074905PECNB
•
•
1GB
Kingston
KVR667D2N5/1G
N/A
Kingston
DS
SO1280420822 SOP D6408TR4
CGL25USL156304PECXA
•
•
2GB
Kingston
KVR667D2N5/2G
N/A
Micron
DS
7RE22 D9HNL
•
•
2GB
Kingston
KVR667D2N5/2G
N/A
Elpida
DS
E1108ACBG-8E-E 0813A90CC
•
•
512MB
Nanya
NT 512T64U88A1BY-3C
N/A
Nanya
SS
NT5TU64M8AE-3C
•
•
1GB
Nanya
NT1GT64U8HB0BY-3C
5
Nanya
DS
NT5TU64M8BE-3C72155700CP
•
•
512MB
PSC
AL6E8E63J-6E1
5
PSC
SS
A3R12E3JFF717B9A00
•
•
1GB
PSC
AL7E8F73C-6E1
5
PSC
SS
A3R1GE3CFF734MAA0J
•
•
1GB
PSC
AL7E8E63J-6E1
5
PSC
DS
A3R12E3JFF717B9A01
•
•
512MB
Qimonda
HYS64T64000EU-3S-B2
5
Qimonda
SS
HYB18T
512B00B2F3SFSS28171
•
•
1GB
Qimonda
HYS64T128020EU-3S-B2 5
Qimonda
DS
HYB18T
512B00B2F3SFSS28171
•
•
4GB
Samsung
M378T5263AZ3-CE6
N/A
Samsung
DS
K4T2G084QA-HCE6
•
•
1GB
Super Talent
T667UB1GV
5
Super Talent
DS
PG 64M8-800 0750
•
•
1GB
Transcend
JM667QLJ-1G
5
Elpida
DS
E5108AJBG-6E-E
•
•
512MB
Twinmos
8D-A3JK5MPETP
5
PSC
SS
A3R12E3GEF633ACAOY
•
•
512MB
AENEON
AET660UD00-30DB97X
5
AENEON
SS
AET93R300B 0634
•
Size
Vendor
Part No.
512MB
ADATA
1GB
2GB
CL
A*
B*
•
1GB
AENEON
AET760UD0030DB97X
5
AENEON
DS
AET93R300B 0639
•
•
2GB
AENEON
AET860UD0030DB08X
5
AENEON
DS
AET03F30DB 0730
•
•
(continued on the next page)
1-14
Chapter 1: Product introduction
DDR2 667 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No.
DIMM
support
512MB
ASINT
SLX264M8-J6E
N/A
ASINT
SS
DDRII6408-6E
•
1GB
ASINT
SLY2128M8-J6E
N/A
ASINT
SS
DDRII1208-6E 8115
•
•
512MB
Century
CENTURY 512MB
N/A
Nanya
SS
NT5TU64M8AE-3C
•
•
1GB
ELIXIR
M2Y1G64TU8HA2B-3C
5
ELIXIR
DS
M2TU 51280AE-3C717095R28F
•
•
1GB
ELIXIR
M2Y1G64TU8HBOB-3C
5
ELIXIR
DS
N2TU 51280BE-3C639009W1CF •
•
512MB
KINGBOX
512MB 667MHz
N/A
KINGBOX
SS
EPD264082200-4
•
•
1GB
Leadmax
LRMP 512U64A8-Y5
N/A
Hynix
DS
HY5PS12821CFP-Y5 C 702AA
•
•
512MB
MDT
DDRII 512 PC667
4
MDT
DS
18D 51201D-30726E
•
•
512MB
TAKEMS
TMS51B264C081-665AP 5
takeMS
SS
MS18T 51280-3S0627D
•
•
512MB
TAKEMS
TMS51B264C081-665QI
5
takeMS
SS
MS18T 51280-3
•
•
1GB
TAKEMS
TMS1GB264C081-665AE 5
takeMS
DS
MS18T 51280-3SEA07100
1GB
TAKEMS
TMS1GB264C081-665QI 5
takeMS
DS
MS18T 51280-3
1GB
UMAX
D46701GP3-63BJU
N/A
UMAX
DS
U2S12D30YP-6E
•
•
2GB
UMAX
D46702GP0-73BCU
5
UMAX
DS
U2S24D30TP-6E
•
•
A*
B*
•
•
DDR2 800 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No.
DIMM
support
A*
B*
2GB
(2 x 1GB)
A-Data
AD2800E001GOU
4-4-4-13
N/A
SS
Heat-Sink Package
•
•
512MB
A-Data
M2OAD6G3H3160Q1E58
N/A
ADATA
SS
AD29608A8A-25EG80812
•
•
DDR2 800
A-Data
AD2800E002GOU
4-4-4-12
N/A
DS
Heat-Sink Package
•
•
4GB
(2 x 2GB)
A-Data
M2OAD6G314170Q1E58
N/A
ADATA
DS
AD29608A8A-25EG80810
•
•
1GB
Apacer
78.01GA0.9K5
5
Apacer
SS
AM4B5808CQJS8E0749D
•
•
512MB
Apacer
78.91G91.9K5
5
Apacer
SS
AM4B5708JQJS8E0751C
•
•
2GB
Apacer
78.A1GA0.9K4
5
Apacer
DS
AM4B5808CQJS8E0740E
•
•
2GB
Apacer
78.A1GA0.9K4
5
Apacer
DS
AM4B5808CQJS8E0747D
•
•
4GB
(2 x 2GB)
Corsair
CM2X2048-6400C5DHX
5
Corsair
DS
Heat-Sink Package
•
•
4GB
(2 x 2GB)
Corsair
CM2X2048-6400C5
5
Corsair
DS
Heat-Sink Package
•
•
1GB
Corsair
XMS2-6400
4
Corsair
DS
Heat-Sink Package
•
•
1GB
Corsair
XMS2-6400
5
Corsair
DS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
(EPP)
Crucial
BL12864AA804.8FE5
N/A
N/A
SS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
(EPP
Crucial
BL12864AL804.8FE5
4
N/A
SS
Heat-Sink Package
•
•
1GB
Elixir
M2Y1G64TU88D5B-AC 0828.GS N/A
Elixir
SS
N2TU16800E-AC
•
•
1GB
Elixir
M2Y1G64TU8HB0B-25C
5
Elixir
DS
N2TU 51280BE25C802006Z1DV
•
•
2GB
Elixir
M2Y2G64TU8HD5B-AC
0826.SG
N/A
Elixir
DS
N2TUG80DE-AC
•
•
1GB
(2 x 512MB)
G.SKILL
F2-6400CL5D-1GBNQ
5-5-5-15
G.SKILL
SS
Heat-Sink Package
•
•
1GB
G.SKILL
F2-6400CL4D-2GBHK
4
G.SKILL
DS
Heat-Sink Package
•
•
ASUS P5G41-M LE
(continued on the next page)
1-15
DDR2 800 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No.
DIMM
support
A*
B*
1GB
G.SKILL
F2-6400CL4D-2GBPK
4
G.SKILL
DS
Heat-Sink Package
•
•
1GB
G.SKILL
F2-6400CL4D-4GBPK
4
G.SKILL
DS
Heat-Sink Package
•
•
1GB
G.SKILL
F2-6400CL5D-2GBNQ
5
G.SKILL
DS
Heat-Sink Package
•
•
2GB
G.SKILL
F2-6400CL5D-4GBPQ
5
G.SKILL
DS
Heat-Sink Package
•
•
4GB
G.SKILL
F2-6400CL5Q-16GNQ
5
G.SKILL
DS
Heat-Sink Package
•
•
1GB
GEIL
GB22GB6400C4DC
4
GEIL
DS
GL2L64M088BA30EB
•
•
1GB
GEIL
GB22GB6400C5DC
5
GEIL
DS
GL2L64M088BA30EB
•
•
2GB
GEIL
GB24GB6400C4DC
4
GEIL
DS
GL2L128M88BA25AB
•
•
1GB
GEIL
GB24GB6400C4QC
4
GEIL
DS
GL2L64M088BA30EB
•
•
2GB
GEIL
GB24GB6400C5DC
5
GEIL
DS
GL2L128M88BA25AB
•
•
1GB
GEIL
GB24GB6400C5QC
5
GEIL
DS
GL2L64M088BA30EB
•
•
2GB
GEIL
GB28GB6400C4QC
4
GEIL
DS
GL2L128M88BA25AB
•
•
2GB
GEIL
GB28GB6400C5QC
5
GEIL
DS
GL2L128M88BA25AB
•
•
1GB
GEIL
GE22GB800C4DC
4
GEIL
DS
Heat-Sink Package
•
•
1GB
GEIL
GE22GB800C5DC
5
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GE24GB800C4DC
4
GEIL
DS
Heat-Sink Package
•
•
1GB
GEIL
GE24GB800C4QC
4
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GE24GB800C5DC
5
GEIL
DS
Heat-Sink Package
•
•
1GB
GEIL
GE24GB800C5QC
5
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GE28GB800C4QC
4
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GE28GB800C5QC
5
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GX22GB6400CUSC
4
GEIL
DS
Heat-Sink Package
•
•
1GB
GEIL
GX22GB6400DC
5
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GX22GB6400LX
5
GEIL
DS
Heat-Sink Package
•
•
1GB
GEIL
GX22GB6400UDC
4
GEIL
DS
Heat-Sink Package
•
•
2GB
GEIL
GX24GB6400DC
5
GEIL
DS
Heat-Sink Package
•
•
512MB
HY
HYMP564U64CP8-S5 AB
5
Hynix
SS
HY5PS12821CFP-S5
•
•
1GB
HY
HYMP 512U64CP8-S5 AB
5
Hynix
DS
HY5PS12821CFPS5
•
•
512MB
Kingmax
KLDC28F-A8KI5
N/A
Kingmax
SS
KKA8FF1XF-JFS-25A
•
•
1GB
Kingmax
KLDD48F-B8KB5
N/A
Kingmax
SS
KKB8FFBGXF-CFA-25U
•
•
2GB
Kingmax
KLDE88F-B8KB5
N/A
Kingmax
DS
KKB8FFBGXF-CFA-25U
•
•
512MB
Kingston
KHX6400D2LLK2/1GN
N/A
Kingston
SS
Heat-Sink Package
•
•
512MB
Kingston
KVR800D2N5/ 512
N/A
Kingston
SS
E5108AJBG-8E-E
0803A9082
•
•
512MB
Kingston
KVR800D2N6/ 512
N/A
Elpida
SS
E5108AJBG-8E-E
•
•
2GB
Kingston
KHX6400D2/2G
N/A
Kingston
DS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
Kingston
KHX6400D2K2/2G
N/A
Kingston
DS
Heat-Sink Package
•
•
1GB
Kingston
KHX6400D2LL/1G
N/A
Kingston
DS
Heat-Sink Package
•
•
1GB
kingston
KVR800D2N5/1G
N/A
kingston
DS
D6408TR4CGL25USL3624 •
06PECXA
•
2GB
Kingston
KVR800D2N5/2G
N/A
Elpida
DS
E1108ACBG-8E-E
•
•
1GB
Kingston
KVR800D2N6/1G
N/A
Elpida
DS
E5108AJBG-8E-E
•
•
2GB
Kingston
KVR800D2N6/2G
N/A
Kingston
DS
461625.010819 PTGC
•
•
4GB
Kingston
KVR800D2N6/4G
N/A
Elpida
DS
E2108ABSE-8G-E
•
•
1GB
OCZ
OCZ2G800R22GK
5
OCZ
DS
Heat-Sink Package
•
•
(continued on the next page)
1-16
Chapter 1: Product introduction
DDR2 800 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No.
DIMM
support
A*
B*
2GB
OCZ
OCZ2P8004GK
5
OCZ
DS
Heat-Sink Package
•
•
1GB
OCZ
OCZ2P800R22GK
4
OCZ
DS
Heat-Sink Package
•
•
1GB
OCZ
OCZ2RPR8002GK
4
OCZ
DS
Heat-Sink Package
•
•
1GB
OCZ
OCZ2VU8004GK
6
OCZ
DS
Heat-Sink Package
•
•
1GB
PSC
AL7E8F73C-8E1
5
PSC
SS
A3R1GE3CFF734MAA0E
•
•
2GB
PSC
AL8E8F73C-8E1
5
PSC
DS
A3R1GE3CFF734MAA0E
•
•
2GB
PSC
PL8E8F73C-8E1
N/A
psc
DS
SHG772-AA3G
•
•
2GB
PSC
PL8E8G73E-8E1
N/A
psc
DS
XCP271A3G-A
•
•
512MB
Qimonda
HYS64T64000EU-2.5-B2
6
Qimonda
SS
HYB18T
512800B2F25FSS28380
•
•
1GB
Qimonda
HYS64T128020EU-2.5-B2
6
Qimonda
DS
HYB18T
512800B2F25FSS28380
•
•
1GB
Samsung
M378T2863QZS-CF7
6
Samsung
SS
K4T1G084QQ-HCF7
•
•
512MB
Samsung
M378T6553GZS-CF7
6
Samsung
SS
K4T51083QG-HCF7
•
•
2GB
Samsung
M37875663QZ3-CF7
6
Samsung
DS
K4T1G084QQ-HCF7
•
•
1GB
Samsung
M378T2953GZ3-CF7
6
Samsung
DS
K4T51083QG-HCF7
•
•
4GB
Samsung
M378T5263AZ3-CF7
N/A
Samsung
DS
K4T2G084QA-HCF7
•
•
1GB
Super
Talent
T800UB1GC4
4
Super Talent
DS
Heat-Sink Package
•
•
1GB
Transcend
JM800QLU-1G
5
Transcend
SS
TQ1243PCF8
•
•
1GB
Transcend
TS128MLQ64V8U
5
Elpaid
SS
E1108ACBG-8E-E
•
•
512MB
Transcend
TS64MLQ64V8J
5
Micron
SS
7HD22 D9GMH
•
•
1GB
Transcend
JM800QLJ-1G
5
Transcend
DS
TQ123PJF8F0801
•
•
2GB
Transcend
JM800QLU-2G
5
Transcend
DS
TQ243PCF8
•
•
1GB
Transcend
TS128MLQ64V8J
5
Mircon
DS
7HD22D9GMH
•
•
2GB
Transcend
TS256MLQ64V8U
5
Elpida
DS
E1108ACBG-8E-E
•
•
512MB
VDATA
M2GVD6G3H3160Q1E52
N/A
VDATA
SS
VD29608A8A-25EG20813
•
•
1GB
VDATA
M2GVD6G314170Q1E58
N/A
VDATA
DS
VD29608A8A-25EG80813
•
•
512MB
AENEON
AET660UD00-25DB98X
N/A
AENEON
SS
AET93F25DB 0621
•
•
1GB
AENEON
AET760UD00-25DC08X
5
AENEON
SS
AET03R250C 0732
•
•
1GB
AENEON
AET760UD00-25DB97X
5
AENEON
DS
AET93R25DB 0640
•
•
2GB
AENEON
AET860UD00-25DC08X
5
AENEON
DS
AET03R250C 0732
1GB
ASINT
SLY2128M8-JGE
N/A
ASINT
SS
DDRII1208-GE 8115
•
•
2GB
ASINT
SLZ2128M8-JGE
N/A
ASINT
DS
DDRII1208-GE 8115
•
•
1GB
Century
28V0H8
5
Hynix
DS
HY5PS12821CFP-S5
•
•
512MB
MDT
MDT 512MB
5
MDT
SS
18D 51280D-2.50726F
•
•
1GB
MDT
MDT 1024MB
5
MDT
DS
18D 51280D-2.50726E
•
•
512MB
TAKEMS
TMS51B264C081-805EP
5
takeMS
SS
MS18T 51280-2.5P0710
•
•
1GB
TAKEMS
TMS1GB264C081-805EP
5
takeMS
DS
MS18T 51280-2.5P0716
•
•
1GB
UMAX
D48001GP3-63BJU
N/A
UMAX
DS
U2S12D30TP-8E
•
•
2GB
UMAX
D48002GP0-73BCU
5
UMAX
DS
U2S24D30TP-8E
•
2048MB
(2 x 1024MB)
Crucial
BL12864AL80A.8FE5(EPP)
4-4-4-12
N/A
SS
Heat-Sink Package
•
•
4096MB
(2 x 2048MB)
Crucial
BL25664AL80A.16FE5(EPP)
4-4-4-12
N/A
DS
Heat-Sink Package
•
•
4096MB
(2 x 2048MB)
Crucial
BL25664AR80A.16FE5(EPP)
4-4-4-12
N/A
DS
Heat-Sink Package
•
•
•
(continued on the next page)
ASUS P5G41-M LE
1-17
DDR2 800 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No.
DIMM
support
A*
B*
2048MB
(2 x 1024MB)
OCZ
OCZ2SE8002GK
5-5-5-15
N/A
DS
Heat-Sink Package
•
•
2048MB
OCZ
OCZ2F8004GK
5
N/A
DS
Heat-Sink Package
•
•
2048MB
Qimonda
HYS64T256020EU-2.5-C2
5
Qimonda
DS
800HY818T1G800C2F-2.5
•
•
1024MB
Transcend
JM800QLJ-1G
5
Transcend
DS
TQ123YBF8 T0747
•
•
DDR2 1066 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No
DIMM
support
A*
B*
2GB
(2 x 1GB)
A-data
AD21066E001GOU
N/A
N/A
SS
Heat-Sink Package
•
•
2048MB
A-DATA
(2 x 1024MB)
Heat-Sink Package
5-5-5-15
N/A
SS
AD21066E001GU
•
•
2GB
(2 x 1GB)
Apacer
78.0AG9S.9K4
5-5-5-15
NA
DS
Heat-Sink Package
•
•
4GB
(2 x 2GB)
Apacer
78.AAGAL.9KZ
5-5-5-15
NA
DS
Heat-Sink Package
•
•
1GB
Corsair
CM2X1024-8500C5
N/A
Corsair
DS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
Crucial
BL12864AA1065.8FE5
N/A
N/A
SS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
G.SKILL
F2-8500CL5D-2GBPK
5-5-5-15
N/A
DS
Heat-Sink Package
•
•
4GB
(2 x 2GB)
G.SKILL
F2-8500CL5D-4GBPK
5-5-5-15
N/A
DS
Heat-Sink Package
•
•
1GB
G.SKILL
F2-8500CL5S-1GBPK
5-5-5-15
G.SKILL
DS
Heat-Sink Package
•
•
1GB
GEIL
GB22GB8500C5DC
5
GEIL
SS
GL2L128M88BA25AB
•
•
1GB
GEIL
GB24GB8500C5QC
5
GEIL
SS
GL2L128M88BA25AB
•
•
1GB
GEIL
GE22GB1066C5DC
5
GEIL
SS
Heat-Sink Package
•
•
2GB
GEIL
GB24GB8500C5DC
5
GEIL
DS
GL2L128M88BA25AB
•
•
2GB
GEIL
GE24GB1066C5DC
5
GEIL
DS
Heat-Sink Package
•
•
1GB
GEIL
GE24GB1066C5QC
5
GEIL
DS
Heat-Sink Package
•
•
4GB
(2 x 2GB)
GEIL
GX24GB8500C5UDC
5
N/A
DS
Heat-Sink Package
•
•
1GB
Kingmax
KLED48F-A8K15
N/A
Kingmax
DS
KKA8FFIXF-JFS-18A
•
•
2GB
Kingmax
KLEE88F-B8KO6
N/A
Kingmax
DS
KKB8FMOXF-EXX-18A
•
•
512MB
Kingston
KHX8500D2/ 512
N/A
Kingston
SS
Heat-Sink Package
•
•
512MB
Kingston
KHX8500D2K2/1GN
N/A
Kingston
SS
Heat-Sink Package
•
•
512MB
Kingston
KVR1066D2N7/ 512
N/A
Elpida
SS
E5108AJBG-1J-E
•
•
2048MB
Kingston
Heat-Sink Package
7-7-7-20
N/A
DS
KHX8500AD2/2G
•
•
1GB
Kingston
KHX8500D2/1G
N/A
Kingston
DS
Heat-Sink Package
•
•
1GB
Kingston
KHX8500D2K2/2GN
N/A
Kingston
DS
Heat-Sink Package
•
•
1GB
Kingston
KVR1066D2N7/1G
N/A
Elpida
DS
E5108AJBG-1J-E
•
•
2GB
(2 x 1GB)
OCZ
OCZ2N10662GK
5-5-5
N/A
DS
Heat-Sink Package
•
•
2GB
(2 x 1GB)
OCZ
OCZ2N1066SR2DK
5-5-5-15
OCZ
DS
Heat-Sink Package(EPP)
•
•
(continued on the next page)
1-18
Chapter 1: Product introduction
DDR2 1066 Qualified Vendors List
Size
Vendor
Part No.
CL
Chip Brand
SS/DS
Chip No
DIMM
support
A*
B*
4GB
(2 x 2GB)
OCZ
OCZ2RPR10664GK
5-5-5
N/A
DS
Heat-Sink Package
•
•
1GB
Qimonda
HYS64T128000EU-1.9-C2
N/A
Qimonda
DS
HYB18T1G800C2F1.9FSS25253
•
•
1GB
Qimonda
HYS64T128020EU-19F-C
6
Qimonda
DS
HYB18T
512800CF19FFSS24313
•
•
2GB
(2 x 1GB)
Transcend
TX1066QLU-2GK
5
Transced
SS
Heat-Sink Package
•
•
1GB
Transcend
TX1066QLJ-2GK
5
Transced
DS
Heat-Sink Package
•
•
1GB
AENEON
AXT760UD00-19DC97X
5
AENEON
DS
Heat-Sink Package
•
•
512MB
Kingbox
EP 512D21066PS
N/A
Micron
SS
6QD22D9GCT
•
•
2048MB
Mushkin
(2 x 1024MB)
Heat-Sink Package
5-5-5-15
N/A
DS
996612
•
•
4096MB
Mushkin
(2 x 2048MB)
Heat-Sink Package
5-5-5-15
N/A
DS
996616
•
4096MB
Team
(2 x 2048MB)
Heat-Sink Package
5-5-5-15
N/A
DS
TXDD2048M1066HC5-D
•
•
1024MB
M2Y1G64TU88D5B-BD
5
Elixir
SS
M2TU1G800E-BD
•
•
Elixir
SS - Single-sided / DS - Double - sided
DIMM support:
• A*: Supports one module inserted into either slot as the single-channel memory configuration.
• B*: Supports one pair of modules inserted into both the blue slots as one pair of
dual-channel memory configuration.
Visit the ASUS website at www.asus.com for the latest QVL.
ASUS P5G41-M LE
1-19
1.7.3
Installing a DIMM
Unplug the power supply before adding or removing DIMMs or other system components.
Failure to do so can cause severe damage to both the motherboard and the components.
2
To install a DIMM:
DDR2 DIMM notch
1.
Press the retaining clips outward to
unlock a DDR2 DIMM socket.
2.
Align a DIMM on the socket such that
the notch on the DIMM matches the
break on the socket.
1
1
Unlocked retaining clip
A DDR2 DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a
DIMM into a socket to avoid damaging the DIMM.
3.
Firmly insert the DIMM into the socket
until the retaining clips snap back in place
and the DIMM is properly seated.
3
Locked Retaining Clip
1.7.4
Removing a DIMM
To remove a DIMM:
1.
Simultaneously press the retaining clips
outward to unlock the DIMM.
2
Support the DIMM lightly with
your fingers when pressing the
retaining clips. The DIMM might
get damaged when it flips out with
extra force.
1
1
DDR2 DIMM notch
2.
1-20
Remove the DIMM from the socket.
Chapter 1: Product introduction
1.8
Expansion slots
In the future, you may need to install expansion cards. The following sub‑sections describe
the slots and the expansion cards that they support.
Unplug the power cord before adding or removing expansion cards. Failure to do so may
cause you physical injury and damage motherboard components.
1.8.1
Installing an expansion card
To install an expansion card:
1.
Before installing the expansion card, read the documentation that came with it and
make the necessary hardware settings for the card.
2.
Remove the system unit cover (if your motherboard is already installed in a chassis).
3.
Remove the bracket opposite the slot that you intend to use. Keep the screw for later
use.
4.
Align the card connector with the slot and press firmly until the card is completely
seated on the slot.
5.
Secure the card to the chassis with the screw you removed earlier.
6.
Replace the system cover.
1.8.2
Configuring an expansion card
After installing the expansion card, configure it by adjusting the software settings.
1.
Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for
information on BIOS setup.
2.
Assign an IRQ to the card.
3.
Install the software drivers for the expansion card.
When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that
the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI
groups, making the system unstable and the card inoperable.
1.8.3
PCI slots
1.8.4
PCI Express x1 slot
1.8.5
PCI Express x16 slot
The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that
comply with PCI specifications.
This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that
comply with the PCI Express specifications.
This motherboard supports a PCI Express x16 graphics card that complies with the PCI
Express specifications.
ASUS P5G41-M LE
1-21
1.9
1.
Jumpers
Clear RTC RAM (3-pin CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, time, and system setup parameters by erasing
the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.
2
1
2
3
CLRTC
P5G41-M LE
Normal
(Default)
Clear RTC
P5G41-M LE Clear RTC RAM
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3
for about 5-10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter
data.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!
• If the steps above do not help, remove the onboard battery and move the jumper again
to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.
• You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut
down and reboot the system, then the BIOS automatically resets parameter settings to
default values.
• Due to the chipset limitation, AC power off is required before you use the C.P.R.
function. You must turn off and on the power supply or unplug and plug the power cord
before rebooting the system.
1-22
Chapter 1: Product introduction
2.
Keyboard power (3-pin KBPWR)
This jumper allows you to enable or disable the keyboard wake-up feature. When you
set this jumper to pins 2–3 (+5VSB), you can wake up the computer by pressing a key
on the keyboard (the default is the Space Bar). This feature requires an ATX power
supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in
the BIOS.
KBPWR
1
2 3
2
+5V
(Default)
+5VSB
P5G41-M LE
P5G41-M LE Keyboard Power Setting
3.
USB device wake-up (3-pin USBPW1-4, 3-pin USBPW5-8)
Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped,
DRAM refreshed, system running in low power mode) using the connected USB
devices. Set to +5VSB to wake up from S3 and S4 sleep modes (no power to CPU,
DRAM in slow refresh, power supply in reduced power mode).
USBPW1-4
1
2 3
2
+5V
+5VSB
(Default)
USBPW5-8
1
2
2 3
P5G41-M LE
+5V
(Default)
+5VSB
P5G41-M LE USB Device Wake Up
ASUS P5G41-M LE
1-23
1.10
Connectors
1.10.1
Rear panel connectors
1
3
4 5
2
8
9
10
7
6
1.
PS/2 mouse port (green). This port is for a PS/2 mouse.
2.
Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
3.
LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub. Refer to the table below for the LAN port LED indications.
LAN port LED indications
ACT/LINK LED
ACT/LINK
LED
SPEED LED
Status
Description
Status
Description
OFF
No link
OFF
10 Mbps connection
ORANGE
Linked
ORANGE
100 Mbps connection
BLINKING
Data activity
GREEN
1 Gbps connection
SPEED
LED
LAN port
4.
Line In port (light blue). This port connects the tape, CD, DVD player, or other audio
sources.
5.
Line Out port (lime). This port connects a headphone or a speaker. In 4-channel and
6-channel configurations, the function of this port becomes Front Speaker Out.
6.
Microphone port (pink). This port connects a microphone.
Refer to the audio configuration table below for the function of the audio ports in 2, 4, or
6-channel configuration.
Audio 2, 4, or 6-channel configuration
Port
1-24
Headset 2-channel
4-channel
6-channel
Light Blue
Line In
Rear Speaker Out
Rear Speaker Out
Lime
Line Out
Front Speaker Out
Front Speaker Out
Pink
Mic In
Mic In
Bass/Center
Chapter 1: Product introduction
7.
USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
8.
USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
9.
DVI port. This port is for any DVI-D compatible device. DVI-D cannot be converted
from output RGB Signal to CRT and is not compatible with DVI-I.
10. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
1.10.2
1.
Internal connectors
Serial ATA connectors (7-pin SATA1-4)
These connectors are for the Serial ATA signal cables for Serial ATA hard disk drives.
GND
RSATA_RXN4
RSATA_RXP4
GND
RSATA_TXN4
RSATA_TXP4
GND
SATA4
SATA3
GND
RSATA_RXN3
RSATA_RXP3
GND
RSATA_TXN3
RSATA_TXP3
GND
SATA2
GND
RSATA_RXN2
RSATA_RXP2
GND
RSATA_TXN2
RSATA_TXP2
GND
GND
RSATA_RXN1
RSATA_RXP1
GND
RSATA_TXN1
RSATA_TXP1
GND
SATA1
P5G41-M LE
P5G41-M LE SATA connectors
2.
Speaker connector (4-pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
+5V
GND
GND
Speaker Out
SPEAKER
P5G41-M LE
PIN 1
P5G41-M LE Speaker Out Connector
ASUS P5G41-M LE
1-25
3.
IDE connector (40-1 pin PRI_IDE)
The onboard IDE connector is for the Ultra DMA 100/66/33 signal cable. There are
three connectors on each Ultra DMA 100/66/33 signal cable: blue, black, and gray.
Connect the blue connector to the motherboard’s IDE connector, then select one of the
following modes to configure your device.
Single device
Drive jumper setting
Mode of device(s)
Cable connector
Cable-Select or Master
-
Black
Master
Black
Slave
Gray
Cable-Select
Two devices
Master
Master
Slave
Slave
Black or gray
• Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA
cable connector. This prevents incorrect insertion when you connect the IDE cable.
• Use the 80-conductor IDE cable for Ultra DMA 100/66/33 IDE devices.
PRI_IDE
PIN1
P5G41-M LE
NOTE:Orient the red markings
on the IDE ribbon cable to PIN 1.
P5G41-M LE IDE connector
If any device jumper is set as “Cable-Select,” ensure that all other device jumpers have the
same setting.
1-26
Chapter 1: Product introduction
4.
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.
GND
GND
+12V DC
+12V DC
ATX12V
P5G41-M LE
EATXPWR
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
PIN 1
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
PIN 1
P5G41-M LE ATX power connectors
• For a fully configured system, we recommend that you use a power supply unit (PSU)
that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum
power of 400 W.
• Do not forget to connect the 4-pin ATX12V power plug. Otherwise, the system will not
boot.
• We recommend that you use a PSU with a higher power output when configuring a
system with more power-consuming devices or when you intend to install additional
devices. The system may become unstable or may not boot up if the power is
inadequate.
ASUS P5G41-M LE
1-27
5.
CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)
The fan connectors support cooling fans of 350 mA~2000 mA (24 W max.) or a total of
1 A~3.48 A (41.76 W max.) at +12V. Connect the fan cables to the fan connectors on
the motherboard, ensuring that the black wire of each cable matches the ground pin of
the connector.
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CPU_FAN
CHA_FAN
P5G41-M LE
Rotation
+12V
GND
P5G41-M LE fan connectors
Do not forget to connect the CPU fan cables to the fan connector. Insufficient air flow inside
the system may damage the motherboard components. This is not a jumper! Do not place a
jumper cap on the fan connector!
6.
Front panel audio connector (10-1 pin AAFP)
NC
AGND
NC
NC
SENSE2_RETUR
GND
PRESENCE#
SENSE1_RETUR
This connector is for a chassis-mounted front panel audio I/O module that supports
either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.
AAFP
P5G41-M LE
HD-audio-compliant
pin definition
PIN 1
MIC2
MICPWR
Line out_R
NC
Line out_L
PORT1 L
PORT1 R
PORT2 R
SENSE_SEND
PORT2 L
PIN 1
Legacy AC’97
compliant definition
P5G41-M LE Analog front panel connector
• We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard’s high-definition audio capability.
• If you want to connect a high-definition front panel audio module to this connector, set
the Front Panel Type item in the BIOS setup to [HD Audio]. If you want to connect an
AC'97 front panel audio module to this connector, set the item to [AC97]. By default, this
connector is set to [HD Audio]. See section 2.4.3 Chipset for details.
1-28
Chapter 1: Product introduction
7.
USB connectors (10-1 pin USB56, USB78)
USB56
USB78
USB+5V
USB_P7USB_P7+
GND
PIN 1
USB+5V
USB_P5USB_P5+
GND
PIN 1
P5G41-M LE
USB+5V
USB_P8USB_P8+
GND
NC
USB+5V
USB_P6USB_P6+
GND
NC
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
480 Mbps connection speed.
P5G41-M LE USB2.0 connectors
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB module cable is purchased separately.
8.
Digital audio connector (4-1 pin SPDIF_OUT)
SPDIFOUT
GND
+5V
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
P5G41-M LE
SPDIF_OUT
P5G41-M LE Digital audio connector
The S/PDIF module is purchased separately.
ASUS P5G41-M LE
1-29
9.
System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
Reset
Ground
IDE_LEDIDE_LED+
PIN 1
RESET
GND
PWR
PLEDPLED+
HD_LED
P5G41-M LE
PWR LED PWR BTN
F_PANEL
P5G41-M LE System panel connector
•
System power LED (2-pin PWRLED)
•
This 2-pin connector is for the system power LED. Connect the chassis power LED
cable to this connector. The system power LED lights up when you turn on the system
power, and blinks when the system is in sleep mode.
Hard disk drive activity LED (2-pin HD_LED)
•
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable
to this connector. The IDE LED lights up or flashes when data is read from or written to
the HDD.
ATX power button/soft-off button (2-pin PWRBTN)
•
This connector is for the system power button. Pressing the power button turns
the system on or puts the system in sleep or soft-off mode depending on the BIOS
settings. Pressing the power switch for more than four seconds while the system is ON
turns the system OFF.
Reset button (2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without
turning off the system power.
1-30
Chapter 1: Product introduction
10. Parallel port connector (26-1 pin LPT)
This connector is for a parallel port. Connect the parallel port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
SLCT
PE
BUSY
ACK#
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
STB#
LPT
PIN 1
GND
GND
GND
GND
GND
GND
GND
GND
SLIN#
INIT#
ERR#
AFD
P5G41-M LE
P5G41-M LE Parallel Port Connector
11.
Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
COM1
PIN 1
P5G41-M LE
P5G41-M LE Serial port (COM1) connector
ASUS P5G41-M LE
1-31
1.11
Software support
1.11.1
Installing an operating system
This motherboard supports Windows® XP/Vista Operating Systems (OS). Always install the
latest OS version and corresponding updates to maximize the features of your hardware.
• Motherboard settings and hardware options vary. Refer to your OS documentation for
detailed information.
• Ensure that you install Windows® XP Service Pack 3 or later versions / Windows® Vista
Service Pack 1 or later versions before installing the drivers for better compatibility and
system stability.
1.11.2
Support DVD information
The Support DVD that comes with the motherboard package contains the drivers, software
applications, and utilities that you can install to avail all motherboard features.
The contents of the Support DVD are subject to change at any time without notice. Visit the
ASUS website at www.asus.com for updates.
To run the Support DVD
Place the Support DVD to the optical drive. The DVD automatically displays the Drivers menu
if Autorun is enabled in your computer.
The following screen is for reference only.
Click an icon to
display Support
DVD/motherboard
information
Click an item to install
If Autorun is NOT enabled in your computer, browse the contents of the Support DVD to
locate the file ASSETUP.EXE from the BIN folder. Double-click the ASSETUP.EXE to run
the DVD.
1-32
Chapter 1: Product introduction
Chapter 2
BIOS information
2.1
Managing and updating your BIOS
Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to
restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update
utility.
2.1.1
ASUS Update utility
The ASUS Update is a utility that allows you to manage, save, and update the motherboard
BIOS in Windows® environment.
• ASUS Update requires an Internet connection either through a network or an Internet
Service Provider (ISP).
• This utility is available in the support DVD that comes with the motherboard package.
Installing ASUS Update
To install ASUS Update:
1.
Place the support DVD in the optical drive. The Drivers menu appears.
2.
Click the Utilities tab, then click ASUS Update.
3.
Follow the onscreen instructions to complete the installation.
Quit all Windows® applications before you update the BIOS using this utility.
Updating the BIOS
To update the BIOS:
1.
From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate >
ASUSUpdate to launch the ASUS Update utility.
2.
From the dropdown list, select any of the updating process:
ASUS P5G41-M LE
2-1
Updating from the Internet
a.
Select Update BIOS from the Internet, then click Next.
b.
Select the ASUS FTP site nearest you to avoid network traffic, or click Auto Select then click Next.
c.
From the FTP site, select the BIOS version that you wish to download then click Next.
The ASUS Update utility is capable of updating itself through the Internet. Always update
the utility to avail all its features.
Updating from a BIOS file
a.
Select Update BIOS from a file, then click Next.
b.
Locate the BIOS file from the Open window, then click Open.
3.
Follow the onscreen instructions to complete the updating process.
2.1.2
ASUS EZ Flash 2 utility
The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS‑based
utility.
Before you start using this utility, download the latest BIOS file from the ASUS website at
www.asus.com.
To update the BIOS using EZ Flash 2:
1.
Insert the USB flash disk that contains the latest BIOS file to the USB port, then launch
EZ Flash 2 in any of these two ways:
•
Press <Alt> + <F2> during POST to display the following:
ASUSTek EZ Flash 2 BIOS ROM Utility V3.36
FLASH TYPE: WOINBOND W25X80
Current ROM
BOARD: P5G41-M LE
VER: 0203 (H:00 B:01)
DATE: 02/24/2009
Update ROM
BOARD: Unknown
VER: Unknown
DATE: Unknown
PATH: A:\
A:
Note
[Enter] Select or Load [Tab] Switch
[Up/Down/Home/End] Move
[B] Backup
2-2
[V] Drive Info
[ESC] Exit
Chapter 2: BIOS information
•
2.
Enter the BIOS setup program. Go to the Tools menu to select EZ Flash 2 and
press <Enter> to enable it.
Press <Tab> to switch between drives until the correct BIOS file is found.
When the correct BIOS file is found, EZ Flash 2 performs the BIOS update process
and automatically reboots the system when done.
• Only a USB flash disk with FAT 32/16 format and single partition can support the ASUS
EZ Flash 2 utility.
• Do not shut down or reset the system while updating the BIOS to prevent system boot
failure!
2.1.3
ASUS CrashFree BIOS 3 utility
The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file
when it fails or gets corrupted during the updating process. You can update a corrupted BIOS
file using the motherboard support DVD or a USB flash disk that contains the updated BIOS
file.
• Prepare the motherboard support DVD or the USB flash disk containing the updated
motherboard BIOS before using this utility.
• Always connect the SATA cable to the SATA1 / SATA 2 connector. Otherwise, the utility
will not function.
Recovering the BIOS
To recover the BIOS:
1.
Turn on the system.
2.
Insert the support DVD or USB flash disk containing the BIOS file to the optical drive or
USB port.
3.
The utility displays the following message and automatically checks the support DVD
or USB flash disk for the BIOS file.
Bad BIOS checksum. Starting BIOS recovery...
Checking for CD-ROM...
CD-ROM not found!
Checking for USB Device...
When found, the utility reads the BIOS file and starts erasing the corrupted BIOS file.
Bad BIOS checksum. Starting BIOS recovery...
Checking for USB Device...
USB Device found.
Reading file “P5G41MLE”. Completed.
Start Erasing...\
ASUS P5G41-M LE
2-3
4.
Restart the system after the utility completes the updating process.
• Only a USB flash disk with FAT 32/16 format and single partition can support ASUS
CrashFree BIOS 3. The device size should be smaller than 8GB.
• DO NOT shut down or reset the system while updating the BIOS! Doing so can cause
system boot failure!
The recovered BIOS may not be the latest BIOS version for this motherboard. Download
the latest BIOS file from the ASUS website at www.asus.com.
2.2
BIOS setup program
This motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you
can update using the provided utility described in section “2.1 Managing and updating your
BIOS.”
Use the BIOS Setup program when you are installing a motherboard, reconfiguring your
system, or prompted to “Run Setup.” This section explains how to configure your system
using this utility.
Even if you are not prompted to use the Setup program, you can change the configuration of
your computer in the future. For example, you can enable the security password feature or
change the power management settings. This requires you to reconfigure your system using
the BIOS Setup program so that the computer can recognize these changes and record them
in the CMOS RAM of the SPI chip.
The SPI chip on the motherboard stores the Setup utility. When you start up the computer,
the system provides you with the opportunity to run this program. Press <Del> during the
Power-On Self-Test (POST) to enter the Setup utility. Otherwise, POST continues with its test
routines.
If you wish to enter Setup after POST, reboot the system by doing any of the following
procedures:
• Restart using the OS standard shutdown procedure.
•
Press <Ctrl>+<Alt>+<Del> simultaneously.
•
Press the reset button on the system chassis.
•
Press the power button to turn the system off then back on.
Using the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from
a running operating system can cause damage to your data or system. We recommend to
always shut down the system properly from the operating system.
The Setup program is designed to make it as easy to use as possible. Being a menu-driven
program, it lets you scroll through the various submenus and make your selections from the
available options using the navigation keys.
2-4
Chapter 2: BIOS information
• The default BIOS settings for this motherboard apply for most conditions to ensure
optimum performance. If the system becomes unstable after changing any BIOS
settings, load the default settings to ensure system compatibility and stability. Select the
Load Setups Default item under the Exit Menu. See section 2.8 Exit Menu.
• The BIOS setup screens shown in this section are for reference purposes only, and may
not exactly match what you see on your screen.
• Visit the ASUS website at www.asus.com to download the latest BIOS file for this
motherboard.
2.2.1
BIOS menu screen
Menu items
Main
Menu bar
Advanced
Power
System Time
System Date
Primary IDE Master
Primary IDE Slave
SATA 1
SATA 2
SATA 3
SATA 4
Configuration fields
General help
BIOS SETUP UTILITY
Boot
Tools
Exit
[00:31:48]
[Mon 01/14/2002]
:[Not
:[Not
:[Not
:[Not
:[Not
:[Not
Detected]
Detected]
Detected]
Detected]
Detected]
Detected]
Storage Configuration
System Information
Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a field.
Use [+] or [-] to
configure system Time.
+-
Tab
F1
F10
ESC
Select Screen
Select Item
Change Field
Select Field
General Help
Save and Exit
Exit
v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.
Submenu items
2.2.2
Navigation keys
Menu bar
The menu bar on top of the screen has the following main items:
Main
For changing the basic system configuration.
Advanced
For changing the advanced system settings.
Power
For changing the advanced power management (APM)
configuration.
Boot
For changing the system boot configuration.
Tools
For configuring options for special functions.
Exit
For selecting the exit options and loading default settings.
To select an item on the menu bar, press the right or left arrow key on the keyboard until the
desired item is highlighted.
ASUS P5G41-M LE
2-5
2.2.3
Navigation keys
At the bottom right corner of a menu screen are the navigation keys for that particular menu.
Use the navigation keys to select items in the menu and change the settings.
Some of the navigation keys differ from one screen to another.
2.2.4
Menu items
2.2.5
Submenu items
2.2.6
Configuration fields
2.2.7
Pop-up window
The highlighted item on the menu bar displays the specific items for that menu. For example,
selecting Main shows the Main menu items.
The other items (Advanced, Power, Boot, Tools, and Exit) on the menu bar have their
respective menu items.
A solid triangle before each item on any menu screen means that the item has a submenu. To
display the submenu, select the item and press <Enter>.
These fields show the values for the menu items. If an item is user- configurable, you can
change the value of the field opposite the item. You cannot select an item that is not userconfigurable.A configurable field is enclosed in brackets, and is highlighted when selected. To
change the value of a field, select it then press <Enter> to display a list of options. Refer to
2.2.7 Pop-up window.
Select a menu item then press
<Enter> to display a pop-up
window with the configuration
options for that item.
2.2.8
Advanced
Power
Suspend Mode
ACPI Version Features
ACPI APIC support
APM Configuration
Hardware Monitor
BIOS SETUP UTILITY
Boot
Tools
Exit
Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a field.
[Auto]
[Disabled]
Options
[Enabled]
Disabled
Enabled
Use [+] or [-] to
configure system
Time.
Scroll bar
A scroll bar appears on the right
side of a menu screen when there
are items that do not fit on the
screen. Press the <Up> / <Down>
arrow keys or <Page Up> /<Page
Down> keys to display the other
items on the screen.
2.2.9
Main
+-
Tab
F1
F10
ESC
Select Screen
Select Item
Change Field
Select Field
General Help
Save and Exit
Exit
v02.61 (C)Copyright 1985-2008, A m e r i c a n Megatrends, Inc.
Pop-up window
Scroll bar
General help
At the top right corner of the menu screen is a brief description of the selected item.
2-6
Chapter 2: BIOS information
2.3
Main menu
When you enter the BIOS Setup program, the Main menu screen appears, giving you an
overview of the basic system information.
Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and
how to navigate through them.
Main
Advanced
System Time
System Date
BIOS SETUP UTILITY
Boot
Tools
Exit
Power
Primary IDE Master
Primary IDE Slave
SATA 1
SATA 2 SATA 3 SATA 4 [12:56:38]
[Mon 01/14/2002]
:[Not
:[Not
:[Not
:[Not
:[Not
:[Not
Detected]
Detected]
Detected]
Detected]
Detected]
Detected]
Storage Configuration
System Information
Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a field.
Use [+] or [-] to
configure system time.
+-
Tab
F1
F10
ESC
Select Screen
Select Item
Change Field
Select Field
General Help
Save and Exit
Exit
v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.
2.3.1
System Time [xx:xx:xx]
2.3.2
System Date [Day xx/xx/xxxx]
Allows you to set the system time.
Allows you to set the system date.
2.3.3
Primary IDE Master/Slave, SATA1~4
While entering Setup, the BIOS automatically detects the presence of IDE/SATA devices.
There is a separate submenu for each IDE/SATA device. Select a device item then press
<Enter> to display the IDE/SATA device information.
The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size,
LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and SMART monitoring). These
values are not user-configurable. These items show N/A if no IDE/SATA device is installed in
the system.
Type [Auto]
Selects the type of IDE drive. Setting to Auto allows automatic selection of the appropriate
IDE device type. Select CDROM if you are specifically configuring a CD-ROM drive. Select
ARMD (ATAPI Removable Media Device) if your device is either a ZIP, LS-120, or MO drive.
Configuration options: [Not Installed] [Auto] [CDROM] [ARMD]
This item does not appear when you select the SATA 1/2/3/4 devices.
ASUS P5G41-M LE
2-7
LBA/Large Mode [Auto]
Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device
supports this mode, and if the device was not previously formatted with LBA mode disabled.
Configuration options: [Disabled] [Auto]
Block (Multi-sector Transfer) M [Auto]
Enables or disables data multi-sectors transfers. When set to [Auto], the data transfer from
and to the device occurs multiple sectors at a time if the device supports multi-sector transfer
feature. When set to [Disabled], the data transfer from and to the device occurs one sector
at a time. Configuration options: [Disabled] [Auto]
PIO Mode [Auto]
Selects the PIO mode. Configuration options: [Auto] [0] [1] [2] [3] [4]
DMA Mode [Auto]
Selects the DMA mode. Configuration option: [Auto]
SMART Monitoring [Auto]
Sets the Smart Monitoring, Analysis, and Reporting Technology.
Configuration options: [Auto] [Disabled] [Enabled]
32Bit Data Transfer [Enabled]
Enables or disables 32-bit data transfer. Configuration options: [Disabled] [Enabled]
2.3.4
Storage Configuration
The items in this menu allow you to set or change the configurations for the SATA devices
installed in the system. Select an item then press <Enter> if you want to configure the item.
ATA/IDE Configuration [Enhanced]
Allows you to set the ATA/IDE configuration.
Configuration options: [Disabled] [Compatible] [Enhanced]
Enhanced Mode Support On [S-ATA]
Set Serial ATA, Parallel ATA or both as native mode.
Configuration options: [S-ATA] [S-ATA+P-ATA] [P-ATA].
IDE Detect Time Out (Sec) [35]
Selects the time out value for detecting ATA/ATAPI devices.
Configuration options: [0] [5] [10] [15] [20] [25] [30] [35]
2-8
Chapter 2: BIOS information
2.3.5
System Information
This menu gives you an overview of the general system specifications. The BIOS
automatically detects the items in this menu.
BIOS Information
Displays the auto-detected BIOS information.
Processor
Displays the auto-detected CPU specification.
System Memory
Displays the auto-detected system memory.
2.4
Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system
devices.
Take caution when changing the settings of the Advanced menu items. Incorrect field
values can cause the system to malfunction.
Main
Advanced
Power
BIOS SETUP UTILITY
Boot
Tools
Exit
JumperFree Configuration
CPU Configuration
Chipset
Onboard Devices Configuration
USB Configuration
PCIPnP
2.4.1
Adjust System
frequency/voltage.
JumperFree Configuration
The items in this menu allows you to adjust the system frequency/voltage.
Ai Overclocking [Auto]
Allows selection of CPU overclocking options to achieve desired CPU internal frequency.
Select either one of the preset overclocking configuration options:
Manual - allows you to individually set overclocking parameters.
Auto - loads the optimal settings for the system.
Overclock Profile - loads overclocking profiles with optimal parameters for stability
when overclocking.
ASUS P5G41-M LE
2-9
The following two items appear only when you set the AI Overclocking item to [MANUAL].
CPU Frequency [xxx]
Displays the frequency sent by the clock generator to the system bus and PCI bus. The
value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to adjust
the CPU frequency. You can also type the desired CPU frequency using the numeric
keypad. The values range from 200 to 800. Refer to the table below for the correct
Front Side Bus and CPU External Frequency settings.
FSB / CPU External Frequency Synchronization
Front Side Bus
CPU External Frequency
FSB 1333
333 MHz
FSB 1066
266 MHz
FSB 800
200 MHz
PCI Express Frequency [Auto]
Allows you to select the PCI Express frequency. Configuration options: [Auto] [90] [91]
[92]~[150]
The following item appears only when you set the AI Overclocking item to [Overclock
Profile].
Overclock Options [Overclock 5%]
Allows you to select the overclock options. Configuration options: [Overclock 5%]
[Overclock 10%] [Overclock 15%] [Overclock 20%] [Test Mode]
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency.
Configuration options: [Auto] [667 MHz] [800 MHz] [1067MHz]
The following table shows the DRAM Frequency options that appear when the FSB value is
1333, 1066, and 800.
FSB
DRAM Frequency
Auto
667MHz
800MHz
1333
v
v
v
1066
v
v
v
800
v
v
v
960MHz
1000MHz
1067MHz
v
1111MHz
v
v
Selecting a very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.
2-10
Chapter 2: BIOS information
Memory Voltage [Auto]
Allows you to set the Memory Voltage. Key in the value directly. Use
�������������������������������
+/- to adjust the voltage.
Configuration options: [Auto] [Min = 1.85000V] [Max = 2.24375V]
NB Voltage [Auto]
Allows you to select the North Bridge voltage or set it to [Auto] mode.
Configuration options: [Auto] [1.125V] [1.175V] [1.225V] [1.275V]
SB 1.5V Voltage [1.5V]
Allows you to select the South Bridge voltage. Configuration options: [1.5V] [1.6V]
2.4.2
CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
Ratio CMOS Setting [Auto]
Sets the ratio between CPU core clock and the FSB frequency. Configuration option: [Auto]
• If an invalid ratio is set in CMOS then actual and set values may differ.
• Key in ratio numbers directly.
C1E Support [Enabled]
Allows you to enable or disable C1E Support. Configuration options: [Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Setting this item to [Enabled] allows legacy operating systems to boot even without support
for CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled]
Intel(R) Virtualization Tech [Enabled]
Enables or disables Intel® Virtualization Technology. Virtualization enhanced by Intel®
Virtualization Technology allows a platform to run multiple operating systems and applications
in independent partitions. With virtualization, one computer system can function as multiple
virtual systems. Configuration options: [Enabled] [Disabled]
CPU TM function [Enabled]
Enables or disables Intel® CPU Thermal Monitor (TM) function, a CPU overheating
protection function. When enabled, the CPU core frequency and voltage are reduced when
the CPU overheats. Configuration options: [Disabled] [Enabled]
Execute-Disable Bit Capability [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting this
item to [Disabled] forces the XD feature flag to always return to zero (0).
Configuration options: [Disabled] [Enabled]
ASUS P5G41-M LE
2-11
The following item appears only when you installed an Intel® CPU that supports the
Enhanced Intel® SpeedStep® Technology (EIST).
Intel(R) SpeedStep(TM) Tech [Enabled]
Allows you to use the Enhanced Intel® SpeedStep® Technology. When set to [Enabled], you
can adjust the system power settings in the operating system to use the EIST feature. Set
this item to [Disabled] if you do not want to use the EIST.
Configuration options: [Enabled] [Disabled]
2.4.3
Chipset
The Chipset menu allows you to change the advanced chipset settings. Select an item then
press <Enter> to display the submenu.
North Bridge Configuration
Memory Remap Feature [Enabled]
Allows you to enabled or disable the remapping of the overlapped PCI memory above the
total physical memory. Enable this option only when you install 64-bit operating system.
Configuration options: [Disabled] [Enabled]
Configure DRAM Timing by SPD [Enabled]
Allows you to enable or disable configuring the DRAM Timing by SPD.
Configuration options: [Enabled] [Disabled]
Initiate Graphic Adapter [PEG/PCI]
Allows you to decide which graphics controller to use as the primary boot device.
Configuration options: [IGD] [PCI/IGD] [PCI/PEG] [PEG/IGD] [PEG/PCI]
IGD Graphics Mode Select [Enabled, 32MB]
Allows you to select the amount of system memory used by the IGD graphics device.
Configuration options: [Disabled] [Enabled, 32MB] [Enabled, 64MB] [Enabled, 128MB]
GTT Graphics Memory Size [No VT mode, 2MB]
This item is not user- configurable.
DVMT Memory [256MB]
Allows you to select the DVMT memory.
Configuration options: [128MB] [256MB] [Maximum DVMT]
The [Maximum DVMT] option only appears when installing 1GB DDR2 DIMMs into the
DIMM sockets.
Protect Audio Video Path Mode [Lite]
This item is not user- configurable.
2-12
Chapter 2: BIOS information
South Bridge Configuration
Audio Controller [Enabled]
Allows you to set the audio controller. Configuration options: [Enabled] [Disabled]
Front Panel Type [HD Audio]
Allows you to select the front panel support type. If High Definition Audio Front Panel
used, set this item to [HD Audio] mode. Configuration options: [AC97] [HD Audio]
2.4.4
Onboard Devices Configuration
Onboard LAN [Enabled]
Allows you to enable or disable the onboard LAN controller.
Configuration options: [Enabled] [Disabled]
LAN Option ROM [Disabled]
Allows you to enable or disable the boot ROM in the onboard LAN controller. This item
appears only when the Onboard LAN item is set to Enabled.
Configuration options: [Disabled] [Enabled]
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
Parallel Port Address [378]
Allows you to select the Parallel Port base addresses.
Configuration options: [Disabled] [378] [278] [3BC]
Parallel Port Mode [ECP]
Allows you to select the Parallel Port mode.
Configuration options: [Normal] [Bi-Directional] [EPP] [ECP]
ECP Mode DMA Channel [DMA3]
Appears only when the Parallel Port Mode item is set to [ECP]. This item allows you
to set the Parallel Port ECP DMA. Configuration options: [DMA0] [DMA1] [DMA3]
EPP Version [1.9]
Appears only when the Parallel Port Mode item is set to [EPP]. This item allows you to
select the Parallel Port EPP version. Configuration options: [1.7] [1.9]
Parallel Port IRQ [IRQ7]
Allows you to select parallel port IRQ. Configuration options: [IRQ5] [IRQ7]
2.4.5
USB Configuration
The items in this menu allows you to change the USB-related features. Select an item then
press <Enter> to display the configuration options.
The Module Version and USB Devices Enabled items show the auto-detected values. If no
USB device is detected, the item shows None.
USB Functions [Enabled]
Allows you to disable or enable the USB functions.
Configuration options: [Disabled] [Enabled]
ASUS P5G41-M LE
2-13
USB 2.0 Controller [Enabled]
Allows you to enable or disable USB 2.0 controller.
Configuration options: [Enabled] [Disabled]
Legacy USB Support [Auto]
Allows you to enable or disable support for Legacy USB storage devices, including USB flash
drives and USB hard drives. Setting to [Auto] allows the system to detect the presence of
USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB
device is detected, the legacy USB support is disabled.
Configuration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to configure the USB 2.0 controller in HiSpeed (480Mbps) or Full Speed
(12Mbps). Configuration options: [FullSpeed] [HiSpeed]
The following items may only appear when a USB storage device is plugged.
USB Mass Storage Device Configuration
USB Mass Storage Reset Delay [20 Sec]
Allows you to set the maximum time that the BIOS waits for the USB storage device to
initialize. Configuration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]
Emulation Type [Auto]
Allows you to select the emulation type. Configuration options: [Auto] [Floppy] [Forced
FDD] [Hard Disk] [CDROM]
2.4.6
PCI PnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA
devices, and setting the memory size block for legacy ISA devices.
Take caution when changing the settings of the PCI PnP menu items. Incorrect field values
can cause the system to malfunction.
Plug and Play O/S [No]
When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you
install a Plug and Play operating system, the operating system configures the Plug and Play
devices not required for boot. Configuration options: [No] [Yes]
2-14
Chapter 2: BIOS information
2.5
Power menu
The Power menu items allow you to change the settings for the Advanced Power
Management (APM). Select an item then press <Enter> to display the configuration options.
Main
Advanced
Power
Suspend Mode
ACPI 2.0 Support
ACPI APIC Support
Anti Surgy Support
BIOS SETUP UTILITY
Boot
Tools
Exit
[Auto]
[Disabled]
[Enabled]
[Enabled]
Select the ACPI state
used for System
Suspend.
APM Configuration
Hardware Monitor
2.5.1
Suspend Mode [Auto]
Allows you to select the Advanced Configuration and Power Interface (ACPI) state to be used
for system suspend. Configuration options: [S1 (POS) Only] [S3 Only] [Auto]
[S1(POS) Only] - Enables the system to enter the ACPI S1 (Power on Suspend) sleep
state. In S1 sleep state, the system appears suspended and stays in a low power
mode. The system can be resumed at any time.
[S3 Only] - Enables the system to enter the ACPI S3 (Suspend to RAM) sleep state
(default). In S3 sleep state, the system appears to be off and consumes less power
than in the S1 state. When signaled by a wake-up device or event, the system resumes
to its working state exactly where it was left off.
[Auto] - Detected by OS.
2.5.2
ACPI 2.0 Support [Enabled]
2.5.3
ACPI APIC Support [Enabled]
2.5.4
Anti Surgy Support [Enabled]
2.5.5
APM Configuration
Allows you to add more tables for Advanced Configuration and Power Interface (ACPI) 2.0
specifications. Configuration options: [Disabled] [Enabled]
Allows you to enable or disable the Advanced Configuration and Power Interface (ACPI)
support in the Application-Specific Integrated Circuit (ASIC). When set to Enabled, the ACPI
APIC table pointer is included in the RSDT pointer list.
Configuration options: [Disabled] [Enabled]
Allows you to enable or disable the over-voltage protection function.
Configuration options: [Disabled] [Enabled]
Restore on AC Power Loss [Power Off]
When set to [Power Off], the system goes into off state after an AC power loss. When set
to [Power On], the system goes on after an AC power loss. When set to [Last State], the
system goes into either off or on state, whatever the system state was before the AC power
loss. Configuration options: [Power Off] [Power On] [Last State]
ASUS P5G41-M LE
2-15
Resume On By PS/2 KB/MS [Disabled]
Allows you to enable or disabe the PS/2 keyboard/mouse to generate a wake event.
This feature requires an ATX power supply that provides at least 1A on the +5VSB lead.
Configuration options: [Disabled] [Enabled]
Resume On Ring [Disabled]
Allows you to enable or disable RI to generate a wake event.
Configuration options: [Disabled] [Enabled]
Resume On PCI Devices [Disabled]
When set to [Enabled], this parameter allows you to wake the system through a PCI LAN
or modem card. This feature requires an ATX power supply that provides at least 1A on the
+5VSB lead. Configuration options: [Disabled] [Enabled]
Resume On PCIE Devices [Disabled]
When set to [Enabled], this parameter allows you to wake the system through a PCI Express
card. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead.
Configuration options: [Disabled] [Enabled]
Resume On RTC Alarm [Disabled]
Allows you to enable or disable RTC to generate a wake event. When this item is set to
Enabled, the items RTC Alarm Date, RTC Alarm Hour, RTC Alarm Minute, and RTC Alarm
Second appear with set values. Configuration options: [Disabled] [Enabled]
2.5.6
Hardware Monitor
CPU Temperature [xxxºC/xxxºF] or [Ignored]
MB Temperature [xxxºC/xxxºF] or [Ignored]
The onboard hardware monitor automatically detects and displays the motherboard and CPU
temperatures. Select Ignored if you do not wish to display the detected temperatures.
CPU Fan Speed [xxxxRPM] or [Ignored]
The onboard hardware monitor automatically detects and displays the CPU fan speed in
rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows
N/A. Select Ignored if you do not wish to display the detected speed.
CPU Q-Fan Control [Disabled]
Allows you to enable or disable the Q-Fan control. Configuration options: [Disabled] [Enabled]
Chassis Fan Speed [xxxxRPM] or [Ignored]
The onboard hardware monitor automatically detects and displays the chassis fan speed in
rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows
N/A. Select Ignored if you do not wish to display the detected speed.
VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage [xxxV] or [Ignored]
The onboard hardware monitor automatically detects the voltage output through the onboard
voltage regulators.
2-16
Chapter 2: BIOS information
2.6
Boot menu
The Boot menu items allow you to change the system boot options. Select an item then
press <Enter> to display the sub-menu.
Main
Advanced
Power
BIOS SETUP UTILITY
Boot
Tools
Exit
Boot Settings
Boot Device Priority
Boot Settings Configuration
Security
2.6.1
Specifies the Boot
Device Priority
sequence.
A virtual floppy disk
drive (Floppy Drive B:
) may appear when you
set the CD-ROM drive
as the first boot.
device.
Boot Device Priority
1st ~ xxth Boot Device
These items specify the boot device priority sequence from the available devices. The
number of device items that appears on the screen depends on the number of devices
installed in the system. Configuration options: [Removable Dev.] [Hard Drive]
[ATAPI CD-ROM] [Disabled]
2.6.2
Boot Settings Configuration
Quick Boot [Enabled]
Enabling this item allows the BIOS to skip some power on self tests (POST) while booting to
decrease the time needed to boot the system. When set to [Disabled], BIOS performs all the
POST items. Configuration options: [Disabled] [Enabled]
Full Screen Logo [Enabled]
This allows you to enable or disable the full screen logo display feature.
Configuration options: [Disabled] [Enabled]
Set this item to [Enabled] to use the ASUS MyLogo2™ feature.
AddOn ROM Display Mode [Force BIOS]
Sets the display mode for option ROM. Configuration options: [Force BIOS] [Keep Current]
Bootup Num-Lock [On]
Allows you to select the power-on state for the NumLock. Configuration options: [Off] [On]
Wait For ‘F1’ If Error [Enabled]
When set to Enabled, the system waits for the F1 key to be pressed when error occurs.
Configuration options: [Disabled] [Enabled]
Hit ‘DEL’ Message Display [Enabled]
When set to [Enabled], the system displays the message Press DEL to run Setup during
POST. Configuration options: [Disabled] [Enabled]
ASUS P5G41-M LE
2-17
2.6.3
Security
The Security menu items allow you to change the system security settings. Select an item
then press <Enter> to display the configuration options.
Change Supervisor Password
Select this item to set or change the supervisor password. The Supervisor Password item
on top of the screen shows the default Not Installed. After you set a password, this item
shows Installed.
To set a Supervisor Password:
1.
Select the Change Supervisor Password item and press <Enter>.
2.
On the password box, key in a password containing up to six letters or numbers, or
both.
3.
Confirm the password when prompted.
The message Password Installed appears after you successfully set your password.
To change the supervisor password, follow the same steps in setting a supervisor password.
To clear the supervisor password, select the Change Supervisor Password then press
<Enter> twice. The message Password uninstalled appears.
If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock
(RTC) RAM. See section 1.9 Jumpers for information on how to erase the RTC RAM.
After you have set a supervisor password, the other items appear to allow you to change
other security settings.
User Access Level [Full Access]
This item allows you to select the access restriction to the Setup items.
Configuration options: [No Access] [View Only] [Limited] [Full Access]
[No Access] - prevents user access to the Setup utility.
[View Only] - allows access but does not allow change to any field.
[Limited] - allows changes only to selected fields, such as Date and Time.
[Full Access] - allows viewing and changing all the fields in the Setup utility.
Change User Password
Select this item to set or change the user password. The User Password item on top of the
screen shows the default Not Installed. After you set a password, this item shows Installed.
To set a User Password:
1.
Select the Change User Password item and press <Enter>.
2.
On the password box, key in a password containing up to six letters or numbers, or
both.
3.
Confirm the password when prompted.
The message Password Installed appears after you set your password successfully.
To change the user password, follow the same steps in setting a user password.
2-18
Chapter 2: BIOS information
Clear User Password
Select this item to clear the user password.
Password Check [Setup]
When set to [Setup], BIOS checks for user password when accessing the Setup utility. When
set to [Always], BIOS checks for user password both when accessing Setup and booting the
system. Configuration options: [Setup] [Always]
2.7
Tools menu
The Tools menu items allow you to configure options for special functions. Select an item
then press <Enter> to display the sub-menu.
Main
Advanced
Power
BIOS SETUP UTILITY
Boot
Tools
Exit
ASUS EZ Flash 2
AI NET 2
2.7.1
ASUS EZ Flash 2
2.7.2
AI NET 2
Press ENTER to run
the utility to select
and update BIOS.
This utility supports
1.FAT 12/16/32 (r/w)
2.NTFS (read only)
3.CD-DISC (read only)
Allows you to run ASUS EZ Flash 2. When you press <Enter>, a confirmation message
appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to
confirm your choice. See section 2.1.2 for details.
Check Atheros LAN cable [Disabled]
Enables or disables checking of the Atheros LAN cable during the Power-On Self‑Test
(POST). Configuration options: [Disabled] [Enabled]
ASUS P5G41-M LE
2-19
2.8
Exit menu
The Exit menu items allow you to load the optimal or failsafe default values for the BIOS
items, and save or discard your changes to the BIOS items.
Main
Advanced
Power
Exit Options
Exit & Save Changes
Exit & Discard Changes
Discard Changes
Load Setup Defaults
BIOS SETUP UTILITY
Boot
Tools
Exit
Exitsystem
systemsetup
setup
Exit
aftersaving
savingthe
the
after
changes.
changes.
F10key
keycan
canbe
beused
used
F10
forthis
thisoperation.
operation.
for
Select Screen
Select Screen
Itemfrom this
Pressing <Esc> does not immediately exit this menu. Select one ofSelect
the
options
Select
Item
+Change
Option
EnterGeneral
Go to Sub-screen
menu or <F10> from the legend bar to exit.
F1
Help
Exit & Save Changes
F1
General
Help
F10
Save
and Exit
F10 Exit
Save and Exit
ESC
ESC
Exit
Once you are finished making your selections, choose this option from the Exit menu to
ensure the values you selected are saved to the CMOS RAM. An onboard backup battery
sustains the CMOS RAM so it stays on even when the PC is turned off. When you select this
option, a confirmation window appears. Select OK to save changes and exit.
Exit & Discard Changes
Select this option only if you do not want to save the changes that you made to the Setup
program. If you made changes to fields other than System Date, System Time, and
Password, the BIOS asks for a confirmation before exiting.
Discard Changes
This option allows you to discard the selections you made and restore the previously saved
values. After selecting this option, a confirmation appears. Select OK to discard any changes
and load the previously saved values.
Load Setup Defaults
This option allows you to load the default values for each of the parameters on the Setup
menus. When you select this option or if you press <F5>, a confirmation window appears.
Select OK to load default values. Select Exit & Save Changes or make other changes
before saving the values to the non-volatile RAM.
2-20
Chapter 2: BIOS information