Asus P5G41-M LX User Manual

P5G41-M LX

Motherboard

E4922

First Edition V1 August 2009

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, modied or altered, unless such repair, modication 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 identication or explanation and to the owners’ benet, without intent to infringe.

Contents

Notices .......................................................................................................... v

Safety information ...................................................................................... vi

About this guide ........................................................................................ vii

P5G41-M LX specications summary ..................................................... viii

Chapter 1: Product introduction

1.1 Before you proceed ..................................................................... 1-1

1.2 Motherboard overview .................................................................

1.2.1 Motherboard layout .........................................................

1.2.2 Layout contents ...............................................................

1.3 Central Processing Unit (CPU) ...................................................

1.4 System memory ...........................................................................

1.4.1 Overview .........................................................................

1.4.2 Memory congurations ....................................................

1.5 Expansion slots ............................................................................

1.5.1 Installing an expansion card ...........................................

1.5.2 Conguring an expansion card .......................................

1.5.3 PCI slot ...........................................................................

1.5.4 PCI Express x1 slots .......................................................

1.5.5 PCI Express x16 slot .......................................................

1.6 Jumpers ........................................................................................

1.7 Connectors .................................................................................

1.7.1 Rear panel connectors ..................................................

1.7.2 Internal connectors .......................................................

1.8 Software support ........................................................................

1.8.1 Installing an operating system ......................................

1.8.2 Support DVD information ..............................................

1-2

1-3

1-4

1-8

1-9

1-10

1-12

1-16

Chapter 2: BIOS information

2.1 Managing and updating your BIOS ............................................ 2-1

2.1.1 ASUS Update utility ........................................................

2.1.2 ASUS EZ Flash 2 ............................................................

2.1.3 ASUS CrashFree BIOS ...................................................

2.2 BIOS setup program ....................................................................

2-1

2-2

2-3

iii

Contents

2.3 Main menu .................................................................................... 2-4

2.3.1 System Time ...................................................................

2.3.2 System Date ...................................................................

2.3.3 Primary IDE Master/Slave, SATA1~4 ..............................

2.3.4 Storage Conguration .....................................................

2.3.5 System Information .........................................................

2.4 Advanced menu ...........................................................................

2.4.1 JumperFree Conguration ..............................................

2.4.2 CPU Conguration ..........................................................

2.4.3 Chipset ............................................................................

2.4.4 Onboard Devices Conguration ......................................

2.4.5 USB Conguration ........................................................

2.4.6 PCI PnP .........................................................................

2.5 Power menu ................................................................................

2.5.1 Suspend Mode ...............................................................

2.5.2 ACPI 2.0 Support ...........................................................

2.5.3 ACPI APIC Support ........................................................

2.5.4 APM Conguration ........................................................

2.5.5 Hardware Monitor .........................................................

2.6 Boot menu ..................................................................................

2.6.1 Boot Device Priority ......................................................

2.6.2 Boot Settings Conguration ..........................................

2.6.3 Security .........................................................................

2.7 Tools menu .................................................................................

2.7.1 ASUS EZ Flash 2 ..........................................................

2.7.2 AI NET 2

2.8 Exit menu ....................................................................................

........................................................................ 2-15

2-4

2-5

2-6

2-8

2-9

2-10

2-11

2-12

2-13

2-14

2-15

Notices

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 modications 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.

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.

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.

Safety information

Electrical safety

•

To prevent electric shock hazard, disconnect the power cable from the electric outlet

before relocating the system.

•

When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.

•

Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged.

•

Seek professional assistance before using an adapter or extension cord. These devices could interrupt the grounding circuit.

•

Ensure 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 x it by yourself. Contact a qualied service

technician or your retailer.

•

The optical S/PDIF is an optional component (may or may not be included in your

motherboard) and is dened as a CLASS 1 LASER PRODUCT.

INVISIBLE LASER RADIATION, AVOID EXPOSURE TO BEAM.

• Never dispose of the battery in re. 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.

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, ensure that all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.

•

To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry.

•

Avoid dust, humidity, and temperature extremes. Do not place the product in any area where it may become wet.

•

Place the product on a stable surface.

•

If you encounter technical problems with the product, contact a qualied service

technician or your retailer.

• RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.

• DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY-RELATED INSTRUCTIONS.

This motherboard should only be used in environments with ambient temperatures between 5°C (41°F) and 40°C (104°F).

About this guide

This user guide contains the information you need when installing and conguring 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.

Conventions used in this guide

To ensure 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.

Where to nd more information

Refer to the following sources for additional information and for product and software updates.

1. ASUS websites

The ASUS website provides updated information on ASUS hardware and software

products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty yers,

that may have been added by your dealer. These documents are not part of the standard package.

Typography

Bold text Indicates a menu or an item to select.

Italics

Used to emphasize a word or a phrase.

<Key> 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.

<Key1>+<Key2>+<Key3> If you must press two or more keys simultaneously, the key names are linked with a plus sign (+). Example: <Ctrl>+<Alt>+<D>

vii

P5G41-M LX specications 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 maximum 8GB unbuffered non-ECC 1066(O.C.)/800/667 MHz DDR2 memory modules * Refer to www.asus.com or this user manual for the Memory QVL (Qualied 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

2 x PCI Express x1 slots 1 x PCI slot

Storage Southbridge Intel® ICH7 supports:

- 1 x UltraDMA 100/66 hard disk drive

- 4 x Serial ATA 3Gb/s ports

LAN RTL8103EL PCIe 10/100Mbps

Audio ALC662-VC1 High Denition Audio 6-channel CODEC

- Supports Jack-detection and Multi-streaming technologies

USB Supports up to 8 x USB 2.0/1.1 ports (4 ports at mid-board,

4 ports at back panel)

ASUS special features ASUS CrashFree BIOS 3

ASUS Q-Fan ASUS EZ Flash 2 ASUS MyLogo 2 ASUS AI NET 2 ASUS Turbo Key

viii

(continued on the next page)

P5G41-M LX specications summary

Back panel I/O ports 1 x PS/2 keyboard port

Internal I/O connectors 2 x USB 2.0 connectors supports additional 4 USB 2.0 ports

BIOS features 8Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0,

Support DVD contents Drivers

Accessories 2 x Serial ATA cables

Form factor MicroATX form factor: 9.6 in x 7.2 in (24.4 cm x 18.3 cm)

1 x PS/2 mouse port 1 x COM 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

1 x IDE connector 4 x Serial ATA connectors 1 x High denition front panel audio connector 1 x System panel connector 1 x Internal speaker 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

ACPI v2.0a, SM BIOS v2.5

ASUS PC Probe II ASUS LiveUpdate Utility Anti-virus software (OEM version)

1 x UltraDMA 100/66 cable 1 x I/O shield User Manual

*Specications are subject to change without notice.

Chapter 1

SB_PWR

Standby Power Powered Off

OFF

P5G41-M LX

P5G41-M LX Onboard LED

Product introduction

Thank you for buying an ASUS® P5G41-M LX motherboard! Before you start installing the motherboard, and hardware devices on it, check the items in

your motherboard package. Refer to page ix for the list of accessories.

If any of the items is damaged or missing, contact your retailer.

1.1 Before you proceed

Take note of the following precautions before you install motherboard components or change any motherboard settings.

• Unplug the power cord from the wall socket before touching any component.

• 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.

ASUS P5G41-M LX 1-1

1.2 Motherboard overview

P5G41-M LX

PCIEX16

PCIEX1_1

PCIEX1_2

PCI1

PRI_IDE

USB56USB78

F_PANEL

AAFP

ICS

9LRS954

ATX12V

EATXPWR

CPU_FAN

Intel® G41

Lithium Cell

CMOS Power

Super

I/O

AUDIO

ALC

662-VC1

RTL

8103EL

KBMS

8Mb BIOS

SB_PWR

CLRTC

USBPW1-4

USBPW5-8

KBPWR

SPEAKER

18.3cm(7.2in)

24.4cm(9.6in)

LGA775

Intel

ICH7

DDR2 DIMM_A1 (64bit, 240-pin module)

DDR2 DIMM_B1 (64bit, 240-pin module)

VGA

COM1

LAN1_USB12

USB34

SATA1

SATA3

SATA2

SATA4

CHA_FAN

221 653 4

10 9121314 11 4

1.2.1 Motherboard layout

Ensure that you install the motherboard into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis.

Place this side towards the rear of the chassis.

1.2.2 Layout contents

1. Keyboard power (3-pin KBPWR) 1-10 8. Serial ATA connectors (7-pin SATA1-4) 1-13

2. ATX power connectors (24-pin EATXPWR, 4-pin

3. CPU and chassis fan connectors (4-pin

4. USB device wake-up (3-pin USBPW1-4, 3-pin

5. LGA775 CPU socket 1-3 12. Onboard LED (SB_PWR) 1-1

6. DDR2 DIMM slots 1-3 13. System panel connector (10-1 pin

7. Clear RTC RAM (3-pin CLRTC) 1-9 14. Front panel audio connector (10-1 pin

1-2 Chapter 1: Product introduction

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.

Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page

1-12 9. IDE connector (40-1 pin PRI_IDE) 1-13

ATX12V)

CPU_FAN, 3-pin CHA_FAN)

USBPW5-8)

1-12 10. USB connectors (10-1 pin USB56, USB78) 1-14

1-10 11. Speaker connector (4-pin SPEAKER) 1-15

F_PANEL)

AAFP)

1-15

1-14

1.3 Central Processing Unit (CPU)

P5G41-M LX

P5G41-M LX 240-pin DDR2 DIMM sockets

DIMM_A1

DIMM_B1

The motherboard comes with a surface mount LGA775 socket designed for the Intel® Core™2 Quad / Core™2 Extreme / Core™2 Duo / Pentium® Dual-Core / Celeron® Dual-Core/ Celeron® processors.

• 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.

1.4 System memory

1.4.1 Overview

The motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules

(DIMM) sockets. The gure illustrates the location of the DDR2 DIMM sockets:

ASUS P5G41-M LX 1-3

Channel Sockets

Channel A DIMM_A1

Channel B DIMM_B1

1.4.2 Memory congurations

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 conguration. 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 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

- 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.

P5G41-M LX Motherboard Qualied Vendors Lists (QVL)

DDR2-667 MHz capability

Size Vendor Part No. CL Chip Brand

2G Kingston KVR667D2N5/2G N/A Micron DS 7RE22 D9HNL • •

512MB Kingston KVR667D2N5/512 N/A Kingston SS

2G Kingston KVR667D2N5/2G N/A Elpida DS E1108ACBG-8E-E 0813A90CC • •

1G Kingston KVR667D2N5/1G N/A Kingston DS

512MB Qimonda HYS64T64000EU-3S-B2 5 Qimonda SS HYB18T512B00B2F3SFSS28171 • • 1G Qimonda HYS64T128020EU-3S-B2 5 Qimonda DS HYB18T512B00B2F3SFSS28171 • • 1G Corsair VS1GB667D2 N/A Corsair DS MID095D62864M8CEC • • 512MB Corsair VS512MB667D2 N/A Corsair DS MIII0052532M8CEC • • 1G Corsair XMS2-5400 4 Corsair DS Heat-Sink Package • • 1G HY HYMP512U64CP8-Y5 AB 5 Hynix DS HY5PS12521CFP-Y5 • • 512MB Kingmax KLCC28F-A8KB5 N/A Kingmax SS KKEA88B4LAUG-29DX • • 1G Kingmax KLCD48F-A8KB5 N/A Kingmax DS KKEA88B4LAUG-29DX • • 512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708MIJS7E0627B • • 512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708GQJS7E06332F • • 512MB Apacer 78.91G92.9K5 5 Apacer SS AM4B5708JQJS7E0751C • • 1G Apacer 78.01G9O.9K5 5 Apacer SS AM4B5808CQJS7E0751C • • 1G Apacer AU01GE667C5KBGC N/A Apacer DS AM4B5708GQJS7E0636B • • 1G Apacer AU01GE667C5KBGC 5 Apacer DS AM4B5708MIJS7E0627B • • 2G Apacer 78.A1G9O.9K4 5 Apacer DS AM4B5808CQJS7E0749B • • 2G Apacer AM4B5808CQJS7E0749B 5 Apacer DS 78.A1G9O.9K4 • • 1G Transcend 506010-4894 5 Elpida DS E5108AJBG-6E-E • • 512MB ADATA M2OAD5G3H3160Q1C52 N/A ADATA SS AD29608A8A-3EG20813 • • 1G ADATA M2OAD5G314170Q1C58 N/A ADATA DS AD29608A8A-3EG80814 • • 2G ADATA M2OAD5H3J4170I1C53 N/A ADATA DS AD20908A8A-3EG 30724 • • 512MB PSC AL6E8E63J-6E1 5 PSC SS A3R12E3JFF717B9A00 • • 1G PSC AL7E8E63J-6E1 5 PSC DS A3R12E3JFF717B9A01 • • 1G PSC AL7E8F73C-6E1 5 PSC SS A3R1GE3CFF734MAA0J • • 512MB Nanya NT512T64U88A1BY-3C N/A Nanya SS NT5TU64M8AE-3C • •

(continued on the next page)

OS, when you install 4GB

SS/

Chip No.

SO1237650821 SBP D6408TR4 CGL25USL074905PECNB

SO1280420822 SOP D6408TR4 CGL25USL156304PECXA

DIMM support

A* B*

• •

OS.

1-4 Chapter 1: Product introduction

DDR2-667 MHz capability

Size Vendor Part No. CL Chip Brand

1G Nanya NT1GT64U8HB0BY-3C 5 Nanya DS NT5TU64M8BE-3C72155700CP • • 1G GEIL GX21GB5300SX 3 GEIL DS Heat-Sink Package • • 2G GEIL GX22GB5300LX 5 GEIL DS Heat-Sink Package • 2G GEIL GX24GB5300LDC 5 GEIL DS Heat-Sink Package • • 2G(2 x 1GB) G.SKILL F2-5400PHU2-2GBNT 5-5-5-15 G.SKILL DS D2 64M8CCF 0815 C7173S • • 4G(2 x 2GB) G.SKILL F2-5300CL5D-4GBMQ 5-5-5-15 G.SKILL DS Heat-Sink Package • • 1G Super Talent T667UB1GV 5 Super Talent DS PG 64M8-800 0750 • • 512MB Twinmos 8D-A3JK5MPETP 5 PSC SS A3R12E3GEF633ACAOY • • 4G Samsung M378T5263AZ3-CE6 N/A Samsung DS K4T2G084QA-HCE6 • • 1G ELIXIR M2Y1G64TU8HA2B-3C 5 ELIXIR DS M2TU51280AE-3C717095R28F • • 1G ELIXIR M2Y1G64TU8HBOB-3C 5 ELIXIR DS N2TU51280BE-3C639009W1CF • • 1G Leadmax LRMP512U64A8-Y5 N/A Hynix DS HY5PS12821CFP-Y5 C 702AA • • 512MB MDT DDRII 512 PC667 4 MDT DS 18D51201D-30726E • • 512MB AENEON AET660UD00-30DB97X 5 AENEON SS AET93R300B 0634 • • 1G AENEON AET760UD00-30DB97X 5 AENEON DS AET93R300B 0639 • • 2G AENEON AET860UD00-30DB08X 5 AENEON DS AET03F30DB 0730 • 512MB TAKEMS TMS51B264C081-665QI 5 takeMS SS MS18T51280-3 • • 512MB TAKEMS TMS51B264C081-665AP 5 takeMS SS MS18T51280-3S0627D • • 1G TAKEMS TMS1GB264C081-665QI 5 takeMS DS MS18T51280-3 • • 1G TAKEMS TMS1GB264C081-665AE 5 takeMS DS MS18T51280-3SEA07100 • • 512MB ASINT SLX264M8-J6E N/A ASINT SS DDRII6408-6E • • 1G ASINT SLY2128M8-J6E N/A ASINT SS DDRII1208-6E 8115 • • 512MB Century CENTURY 512MB N/A Nanya SS NT5TU64M8AE-3C • • 1G Century CENTURY 1G N/A Hynix DS HY5PS12821AFP-Y5 • • 1G Century CENTURY 1G N/A Nanya DS NT5TU64M8AE-3C • 1G UMAX D46701GP3-63BJU N/A UMAX DS U2S12D30YP-6E • • 2G UMAX D46702GP0-73BCU 5 UMAX DS U2S24D30TP-6E • • 512MB KINGBOX 512MB 667MHz N/A KINGBOX SS EPD264082200-4 • •

SS/ DS

Chip No.

DIMM support

A* B*

DDR2-800 MHz capability

Size Vendor Part No. CL Chip Brand

1G Kingston KHX6400D2LL/1G N/A Kingston DS Heat-Sink Package • •

1G Kingston KVR800D2N5/1G N/A Promos DS

512MB Kingston KHX6400D2LLK2/1GN N/A Kingston SS Heat-Sink Package • • 1G(2 x 512MB) Kingston KHX6400D2K2/2G N/A Kingston DS Heat-Sink Package • • 512MB Kingston KVR800D2N6/512 N/A Elpida SS E5108AJBG-8E-E • • 1G Kingston KVR800D2N5/1G N/A Elpida DS E5108AJBG-8E-E • • 1G Kingston KVR800D2N6/1G N/A Elpida DS E5108AJBG-8E-E • • 2G Kingston KVR800D2N5/2G N/A Elpida DS E1108ACBG-8E-E • • 2G Kingston KHX6400D2/2G N/A Kingston DS Heat-Sink Package • • 4G Kingston KVR800D2N6/4G N/A Elpida DS E2108ABSE-8G-E • • 512MB Kingston KVR800D2N5/512 N/A Kingston SS E5108AJBG-8E-E 0803A9082 • • 512MB Samsung M378T6553GZS-CF7 6 Samsung SS K4T51083QG-HCF7 • • 1G Samsung M378T2863QZS-CF7 6 Samsung SS K4T1G084QQ-HCF7 • • 1G Samsung M378T2953GZ3-CF7 6 Samsung DS K4T51083QG-HCF7 • • 2G Samsung M37875663QZ3-CF7 6 Samsung DS K4T1G084QQ-HCF7 • • 4G Samsung M378T5263AZ3-CF7 N/A Samsung DS K4T2G084QA-HCF7 • • 1G Qimonda HYS64T128020EU-2.5-B2 6 Qimonda DS HYB18T512800B2F25FSS28380 • • 2G Qimonda HYS64T256020EU-2.5-C2 5 Qimonda DS HY818T1G800C2F-2.5 • • 1G Corsair XMS2-6400 4 Corsair DS Heat-Sink Package • • 1G Corsair XMS2-6400 5 Corsair DS Heat-Sink Package • • 2G(2 x 1GB) Corsair CM2X2048-6400C5DHX 5 Corsair DS Heat-Sink Package • • 1G Corsair CM2X1024-6400 N/A Corsair DS Heat-Sink Package • • 2G(2 x 1GB) Corsair CM2X2048-6400C5 5 Corsair DS Heat-Sink Package • • 2G(2 x

1GB)(EPP) 2G(2 x 1G) Crucial BL12864AL80A.8FE5(EPP) 4-4-4-12 N/A SS Heat-Sink Package • • 4G(2 x 2G) Crucial BL25664AL80A.16FE5(EPP) 4-4-4-12 N/A DS Heat-Sink Package • 4G(2 x 2G) Crucial BL25664AR80A.16FE5(EPP) 4-4-4-12 N/A DS Heat-Sink Package • • 512MB HY HYMP564U64CP8-S5 AB 5 Hynix SS HY5PS12821CFP-S5 • • 1G HY HYMP512U64CP8-S5 AB 5 Hynix DS HY5PS12821CFPS5 • •

Crucial BL12864AL804.8FE5 4 N/A SS Heat-Sink Package • •

SS/

Chip No.

V59C1512804QCF25S00619 04PECJA

DIMM support

A* B*

• •

(continued on the next page)

ASUS P5G41-M LX 1-5

DDR2-800 MHz capability

Size Vendor Part No. CL Chip Brand

512MB Kingmax KLDC28F-A8KI5 N/A Kingmax SS KKA8FF1XF-JFS-25A • • 2G Kingmax GE24GB800C5DC N/A Kingmax DS KKA8FFIXF-HFS-25U • • 512MB Apacer 78.91G91.9K5 5 Apacer SS AM4B5708JQJS8E0751C • • 1G Apacer 78.01GA0.9K5 5 Apacer SS AM4B5808CQJS8E0749D • • 2G Apacer 78.A1GA0.9K4 5 Apacer DS AM4B5808CQJS8E0740E • • 2G Apacer 78.A1GA0.9K4 5 Apacer DS AM4B5808CQJS8E0747D • • 1G Transcend 505649-1993 5 Mircon DS 7HD22D9GMH • • 512MB Transcend TS64MLQ64V8J512MB 5 Micron SS 7HD22 D9GMH • • 1G Transcend 503499-7280 N/A Micron DS 7NB32 D9DCL • • 1G Transcend TS128MLQ64V8J 5 Transcend DS TQ123PJF8F0801 • • 1G Transcend JM800QLJ-1G 5 Transcend DS TQ123YBF8 T0747 • • 512MB ADATA M2OAD6G3H3160Q1E58 N/A ADATA SS AD29608A8A-25EG80812 • • 1G ADATA M2OAD6G314170Q1E58 N/A ADATA DS AD29608A8A-25EG80810 • • 1G VDATA M2GVD6G314170Q1E58 N/A VDATA DS VD29608A8A-25EG80813 • • 1G PSC AL7E8F73C-8E1 5 PSC SS A3R1GE3CFF734MAA0E • • 2G PSC AL8E8F73C-8E1 5 PSC DS A3R1GE3CFF734MAA0E • • 2G PSC PL8E8F73C-8E1 5 PSC DS SHG772-AA3G • • 2G PSC PL8E8G73E-8E1 5 PSC DS XCP271A3G-A • • 1G GEIL GB22GB6400C4DC 4 GEIL DS GL2L64M088BA30EB • • 1G GEIL GB24GB6400C4QC 4 GEIL DS GL2L64M088BA30EB • • 1G GEIL GB22GB6400C5DC 5 GEIL DS GL2L64M088BA30EB • • 1G GEIL GB24GB6400C5QC 5 GEIL DS GL2L64M088BA30EB • • 1G GEIL GX22GB6400DC 5 GEIL DS Heat-Sink Package • • 1G GEIL GE22GB800C4DC 4 GEIL DS Heat-Sink Package • • 1G GEIL GE24GB800C4QC 4 GEIL DS Heat-Sink Package • • 1G GEIL GX22GB6400UDC 4 GEIL DS Heat-Sink Package • • 1G GEIL GE22GB800C5DC 5 GEIL DS Heat-Sink Package • • 1G GEIL GE24GB800C5QC 5 GEIL DS Heat-Sink Package • • 2G GEIL GB24GB6400C4DC 4 GEIL DS GL2L128M88BA25AB • • 2G GEIL GB24GB6400C5DC 5 GEIL DS GL2L128M88BA25AB • • 2G GEIL GB28GB6400C5QC 5 GEIL DS GL2L128M88BA25AB • • 2G GEIL GB28GB6400C4QC 4 GEIL DS GL2L128M88BA25AB • • 2G GEIL GX22GB6400LX 5 GEIL DS Heat-Sink Package • • 2G GEIL GX24GB6400DC 5 GEIL DS Heat-Sink Package • • 2G GEIL GE28GB800C5QC 5 GEIL DS Heat-Sink Package • • 2G GEIL GE28GB800C4QC 4 GEIL DS Heat-Sink Package • • 2G GEIL GX22GB6400CUSC 4 GEIL DS Heat-Sink Package • • 2G GEIL GE24GB800C4DC 4 GEIL DS Heat-Sink Package • • 2G GEIL GE24GB800C5DC 5 GEIL DS Heat-Sink Package • •

1G G.SKILL F2-6400CL5D-2GBNQ 5 G.SKILL DS Heat-Sink Package • • 1G G.SKILL F2-6400CL4D-2GBPK 4 G.SKILL DS Heat-Sink Package • • 1G G.SKILL F2-6400CL4D-2GBHK 4 G.SKILL DS Heat-Sink Package • • 2G G.SKILL F2-6400CL5D-4GBPQ 5 G.SKILL DS Heat-Sink Package • • 2G G.SKILL F2-6400CL4D-4GBPK 4 G.SKILL DS Heat-Sink Package • •

512MB G.SKILL F2-6400CL5D-1GBNQ 5 G.SKILL DS

4G G.SKILL F2-6400CL5Q-16GNQ 5 G.SKILL DS Heat-Sink Package • • 1G OCZ OCZ2RPR8002GK 4 OCZ DS Heat-Sink Package • • 1G OCZ OCZ2G800R22GK 5 OCZ DS Heat-Sink Package • • 1G OCZ OCZ2P800R22GK 4 OCZ DS Heat-Sink Package • • 1G OCZ OCZ2VU8004GK 6 OCZ DS Heat-Sink Package • • 2G OCZ OCZ2P8004GK 5 OCZ DS Heat-Sink Package • • 2G(2 x 1G) OCZ OCZ2SE8002GK 5-5-5-15 N/A DS Heat-Sink Package • • 2G OCZ OCZ2F8004GK 5 N/A DS Heat-Sink Package • • 1G Elixir M2Y1G64TU8HB0B-25C 5 Elixir DS N2TU51280BE-25C802006Z1DV • • 512MB AENEON AET660UD00-25DB98X N/A AENEON SS AET93F25DB 0621 • • 1G AENEON AET760UD00-25DB97X 5 AENEON DS AET93R25DB 0640 • 1G AENEON AET760UD00-25DC08X 5 AENEON SS AET03R250C 0732 • • 512MB MDT MDT 512MB 5 MDT SS 18D51280D-2.50726F • • 512MB TAKEMS TMS51B264C081-805EP 5 takeMS SS MS18T51280-2.5P0710 • 1G TAKEMS TMS1GB264C081-805AE 5 takeMS DS MS18T51280-25FEA0709A • • 1G TAKEMS TMS1GB264C081-805EP 5 takeMS DS MS18T51280-2.5P0716 • • 1G ASINT SLY2128M8-JGE N/A ASINT SS DDRII1208-GE 8115 • 2G ASINT SLZ2128M8-JGE N/A ASINT DS DDRII1208-GE 8115 • 1G UMAX D48001GP3-63BJU N/A UMAX DS U2S12D30TP-8E • • 2G UMAX D48002GP0-73BCU 5 UMAX DS U2S24D30TP-8E •

Super

T800UB1GC4 4 Super Talent DS Heat-Sink Package • •

Talent

SS/

Chip No.

Heat-Sink Package SN:8151030036642

DIMM support

A* B*

• •

1-6 Chapter 1: Product introduction

DDR2 1066(O.C.) Qualied Vendors List

Size Vendor Part No.

1024MB Apacer 78.0AGBD.9L5 SS N/A Heat-Sink Package • • 1024MB Corsair CM2X1024-8500C5 DS Corsair Heat-Sink Package • • 4096MB(kit of 2) Corsair CM2X2048-8500C5D DS N/A Heat-Sink Package • • 1024MB Crucial BL12864AA1065.8FE5 SS N/A Heat-Sink Package • • 2048MB Crucial CT25664AA1067.16FE1 DS Micron 9CE12 D9JKH • • 1024MB G.SKILL F2-8500CL5S-1GBPK DS N/A Heat-Sink Package • • 2048MB(Kit of 2) G.SKILL F2-8500CL5D-2GBPK DS N/A Heat-Sink Package • • 4096MB(kit of 2) G.SKILL F2-8500CL5D-4GBPK DS N/A Heat-Sink Package • • 1024MB GEIL GB22GB8500C5DC SS GEIL GL2L128M88BA18BW • • 1024MB GEIL GB24GB8500C5QC SS GEIL GL2L128M88BA25AB • • 1024MB GEIL GE22GB1066C5DC SS GEIL Heat-Sink Package • • 1024MB GEIL GE24GB1066C5QC SS GEIL Heat-Sink Package • • 2048MB GEIL GB24GB8500C5DC DS GEIL GL2L128M88BA25AB • • 2048MB GEIL GE24GB1066C5DC DS GEIL Heat-Sink Package • • 4096MB(kit of 2) GEIL GX24GB8500C5UDC DS N/A Heat-Sink Package • • 1024MB Kingmax KLED48F-B8KU6-NGES SS Kingmax KKB8FNUXF-DXX-18A • • 2048MB Kingmax KLEE88F-B8KU6-NNAS DS Kingmax KKB8FNUXF-DXX-18A • • 1024MB(Kit of 2) Kingston KHX8500D2K2/1GN(EPP) SS Kingston Heat-Sink Package • • 1024MB Kingston KHX8500D2/1G SS N/A Heat-Sink Package • • 2048MB Kingston KHX8500D2K2/4G DS N/A Heat-Sink Package • • 2048MB Micron MT16HTF25664AY-1GAE1 DS Micron 9CE12 D9JKH • • 2048MB(Kit of 2) OCZ OCZ2N10662GK(EPP) DS N/A Heat-Sink Package • • 4096MB(kit of 2) OCZ OCZ2F10664GK DS N/A Heat-Sink Package • •

2048MB PSC AL8E8G73F-AE1 DS PSC

2048MB(Kit of 2) Transcend TX1066QLU-2GK SS N/A Heat-Sink Package • • 4096MB(kit of 2) Transcend TX1066QLU-4GK DS Transcend Heat-Sink Package • • 1024MB Elixir M2Y1G64TU88D5B-BD SS Elixir M2TU1G800E-BD • • 2048MB(Kit of 2) Mushkin 996684 SS N/A Heat-Sink Package • 2048MB(kit of 2) Mushkin 996612 DS N/A Heat-Sink Package • • 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS N/A Heat-Sink Package • • 4096MB(Kit of 2) PATRIOT PDC24G8500ELKR2 DS N/A Heat-Sink Package • •

SS/DSChip

Brand

Chip NO.

A3R1GE3FGF907MAT0FTAIWANG8E

DIMM support A* B*

• •

SS - Single-sided / DS - Double - sided DIMM support:

• A*: Supports one module inserted into any slot as Single-channel memory conguration.

• B*: Supports one pair of modules inserted into both the blue slots as one pair of

dual-channel memory conguration.

Visit the ASUS website at www.asus.com for the latest QVL.

ASUS P5G41-M LX 1-7

1.5 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.

1.5.1 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 rmly 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.

1.5.2 Conguring an expansion card

After installing the expansion card, congure 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, conicts will arise between the two PCI

groups, making the system unstable and the card inoperable.

1.5.3 PCI slot

The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that

comply with PCI specications.

1.5.4 PCI Express x1 slots

This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that

comply with the PCI Express specications.

1.5.5 PCI Express x16 slot

This motherboard supports a PCI Express x16 graphics card that complies with the PCI

Express specications.

1-8 Chapter 1: Product introduction

1.6 Jumpers

1. 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.

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 data.

Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!

<Del> key during the boot process and enter BIOS setup to re-enter

• 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.

ASUS P5G41-M LX 1-9

2. Keyboard power (3-pin KBPWR)

P5G41-M LX Keyboard Power Setting

2 3

+5V

(Default)

+5VSB

KBPWR

P5G41-M LX

P5G41-M LX USB Device Wake Up

2 3

+5V

(Default)

+5VSB

USBPW5-8

2 3

+5V

+5VSB

(Default)

USBPW1-4

3 4

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)s. This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS.

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).

1.7 Connectors

1.7.1 Rear panel connectors

1-10 Chapter 1: Product introduction

1. PS/2 mouse port (green). This port is for a PS/2 mouse.

2. LAN (RJ-45) port.

This port allows 10/100Mbps 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 SPEED LED

Status Description Status Description

OFF No link OFF No link

BLINKING Data activity OFF 10 Mbps connection

BLINKING Data activity ORANGE 100 Mbps connection

ACT/LINK

LED

SPEED

LED

LAN port

3. Line In port (light blue).

This port connects the tape, CD, DVD player, or other audio

sources.

4. Line Out port (lime).

This port connects a headphone or a speaker. In 4-channel and

6-channel congurations, the function of this port becomes Front Speaker Out.

5. Microphone port (pink).

Refer to the audio conguration table below for the function of the audio ports in 2, 4, or 6-channel conguration.

This port connects a microphone.

Audio 2, 4, or 6-channel conguration

Port 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

6. USB 2.0 ports 1 and 2.

available for connecting USB 2.0 devices.

7. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are

available for connecting USB 2.0 devices.

8. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other

VGA-compatible devices.

9. COM port. This port is for pointing devices or other serial devices.

10.

PS/2 keyboard port (purple). This port is for a PS/2 keyboard.

These two 4-pin Universal Serial Bus (USB) ports are

ASUS P5G41-M LX 1-11

1.7.2 Internal connectors

P5G41-M LX

P5G41-M LX ATX power connectors

EATXPWR

PIN 1

GND +5 Volts +5 Volts +5 Volts

-5 Volts GND GND GND PSON# GND

-12 Volts +3 Volts

+3 Volts +12 Volts +12 Volts

+5V Standby

Power OK

GND

+5 Volts

GND

+5 Volts

GND +3 Volts +3 Volts

ATX12V

PIN 1

+12V DC

GND

CPU_FAN

GND CPU FAN PWR CPU FAN IN CPU FAN PWM

GND +12V Rotation

CHA_FAN

P5G41-M LX

P5G41-M LX fan connectors

1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)

These connectors are for ATX power supply plugs. The power supply plugs are

designed to t these connectors in only one orientation. Find the proper orientation and push down rmly until the connectors completely t.

•

For a fully congured system, we recommend that you use a power supply unit (PSU)

that complies with ATX 12 V Specication 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 conguring 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.

•

If you are uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply Wattage Calculator at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.

2. CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)

The fan connectors support cooling fans of 350 mA~740 mA (8.88 W max.) or a total of 1 A~2.22 A (26.64 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.

Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the

system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors!

1-12 Chapter 1: Product introduction

Only the 4-pin CPU fan supports the ASUS Q-Fan feature.

3. IDE connector (40-1 pin PRI_IDE)

PRI_IDE

NOTE:Orient the red markings on the IDE ribbon cable to PIN 1.

PIN1

P5G41-M LX

P5G41-M LX IDE connector

SATA3 SATA2

GND

RSATA_RXN3

RSATA_RXP3

GND

RSATA_TXN3

RSATA_TXP3

GND

SATA1

GND

RSATA_RXN1

RSATA_RXP1

GND

RSATA_TXN1

RSATA_TXP1

GND

GND RSATA_TXP2 RSATA_TXN2

GND RSATA_RXP2 RSATA_RXN2

GND

SATA4

GND RSATA_TXP4 RSATA_TXN4

GND RSATA_RXP4 RSATA_RXN4

GND

P5G41-M LX

P5G41-M LX SATA connectors

The onboard IDE connector is for the Ultra DMA 100/66 signal cable. There are three connectors on each Ultra DMA 100/66 signal cable: blue, black, and gray. Connect the blue connector to the motherboard’s IDE connector, then select one of the following

modes to congure your device.

Drive jumper setting Mode of device(s) Cable connector

Single device Cable-Select or Master - Black

Cable-Select

Two devices

Master Master

Slave Slave

• 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 IDE devices.

If any device jumper is set as “Cable-Select,” ensure that all other device jumpers have the same setting.

Master Black

Slave Gray

Black or gray

4. Serial ATA connectors (7-pin SATA1-4)

These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk drives and optical disk drives. The Serial ATA 3Gb/s is backward compatible with the

Serial ATA 1.5Gb/s specication. The data transfer rate of the Serial ATA 3Gb/s is faster

than the standard parallel ATA (133 MB/s).

ASUS P5G41-M LX 1-13

P5G41-M LX

P5G41-M LX Analog front panel connector

AAFP

PIN 1

GND

PRESENCE#

SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R

PORT2 R

SENSE_SEND

PORT2 L

HD-audio-compliant

pin definition

PIN 1

AGNDNCNC

MIC2

MICPWR

Line out_R

Line out_L

Legacy AC’97

compliant definition

5. USB connectors (10-1 pin USB56, USB78)

P5G41-M LX

P5G41-M LX USB2.0 connectors

PIN 1

USB+5V

USB_P6-

USB_P6+

GND

USB+5V

USB_P5-

USB_P5+

GND

USB56

PIN 1

USB+5V

USB_P8-

USB_P8+

GND

USB+5V

USB_P7-

USB_P7+

GND

USB78

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 specication that supports up to

480Mbps connection speed.

Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!

The USB 2.0 module is purchased separately.

6. Front panel audio connector (10-1 pin AAFP)

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.

• We recommend that you connect a high-denition front panel audio module to this connector to avail of the motherboard’s high-denition audio capability.

•

If you want to connect a high-denition 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

1-14 Chapter 1: Product introduction

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.

7. System panel connector (10-1 pin F_PANEL)

PIN 1

PWR BTN

PLED+

PLED-

PWR

GND

HD_LED+

HD_LED-

Ground

Reset

F_PANEL

PLED

+HDLED RESET

P5G41-M LX

P5G41-M LX System panel connector

P5G41-M LX

P5G41-M LX Speaker Out Connector

+5V

GND

Speaker Out

SPEAKER

PIN 1

This connector supports several chassis-mounted functions.

• System power LED (2-pin PLED)

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 +HDLED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable

to this connector. The HD LED lights up or ashes 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.

8. 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.

ASUS P5G41-M LX 1-15

1.8 Software support

1.8.1 Installing an operating system

This motherboard supports Windows® XP/Vista/7 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 Service Pack 1 or later versions before installing the drivers for better compatibility and system stability.

1.8.2 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.

XP Service Pack 3 or later versions / Windows® Vista

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 le ASSETUP.EXE from the BIN folder. Double-click the ASSETUP.EXE to run

the DVD.

1-16 Chapter 1: Product introduction

Chapter 2 BIOS information

2.1 Managing and updating your BIOS

Save a copy of the original motherboard BIOS le to a USB ash 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

2. Click the

3. Follow the onscreen instructions to complete the installation.

Utilities tab, then click ASUS Update.

Drivers menu appears.

Quit all Windows® applications before you update the BIOS using this utility.

Updating the BIOS

To update the BIOS:

1. From the Windows

ASUSUpdate to launch the ASUS Update utility.

2. From the dropdown list, select any of the updating process:

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 trafc, or click Auto

Select

c. From the FTP site, select the BIOS version that you wish to download then click

Next.

ASUS P5G41-M LX 2-1

desktop, click Start > Programs > ASUS > ASUSUpdate >

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 le, then click Next.

b. Locate the BIOS le from the

Open window, then click Open.

3. Follow the onscreen instructions to complete the updating process.

2.1.2 ASUS EZ Flash 2

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 le from the ASUS website at

www.asus.com.

To update the BIOS using EZ Flash 2:

1. Insert the USB ash disk that contains the latest BIOS le to the USB port, then launch

EZ Flash 2 in any of these two ways:

• Press

• Enter the BIOS setup program. Go to the

press <Enter> to enable it.

Press

<Alt> + <F2> during POST.

Tools menu to select EZ Flash 2 and

<Tab> to switch between drives until the correct BIOS le is found.

ASUSTek EZ Flash 2 BIOS ROM Utility V3.36

FLASH TYPE: MXIC 25L8005

Current ROM

BOARD: P5G41-M-LX VER: 0307 (H:00 B:01) DATE: 07/21/2009

PATH: A:\

Update ROM

BOARD: Unknown VER: Unknown DATE: Unknown

Note

[Enter] Select or Load [Tab] Switch [V] Drive Info

[Up/Down/Home/End] Move [B] Backup [ESC] Exit

2. When the correct BIOS le is found, EZ Flash 2 performs the BIOS update process

and automatically reboots the system when done.

• This function supports USB ash disks with FAT 32/16 format and single partition only.

• DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure!

2-2 Chapter 2: BIOS information

2.1.3 ASUS CrashFree BIOS

The ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS le

when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS

le using the motherboard support DVD or a removable device that contains the updated BIOS le.

• The BIOS le in the support DVD may not be the latest version. Download the latest BIOS le from the ASUS website at www.asus.com.

• The removable devices that ASUS CrashFree BIOS support vary with motherboard

models. For motherboards without the oppy connector, prepare a USB ash disk before

using this utility.

Recovering the BIOS

To recover the BIOS:

1. Turn on the system.

2. Insert the support DVD to the optical drive or the removable device that contains the

BIOS le to the USB port or to the oppy disk drive, if supported.

3. The utility automatically checks the devices for the BIOS le. When found, the utility reads the BIOS le and starts ashing the corrupted BIOS le.

4. Turn off the system after the utility completes the updating process and turn on again.

DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure!

Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Setup Defaults item under the Exit menu. Refer to section 2.8 Exit menu for details.

2.2 BIOS setup program

Use the BIOS Setup program to update the BIOS or congure its parameters. The BIOS

screens include navigation keys and brief online help to guide you in using the BIOS Setup program.

Entering BIOS Setup at startup

To enter BIOS Setup at startup:

• Press <Delete> during the Power-On Self Test (POST). If you do not press <Delete>,

POST continues with its routines.

Entering BIOS Setup after POST

To enter BIOS Setup after POST:

• Press

• Press the reset button on the system chassis.

• Press the power button to turn the system off then back on. Do this option only if you

ASUS P5G41-M LX 2-3

<Ctrl>+<Alt>+<Del> simultaneously.

failed to enter BIOS Setup using the rst two options.

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 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 le for this

motherboard.

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.

Main Advanced Power Boot Tools Exit

System Time [12:56:38]

System Date [Tue 01/08/2002]

Primary IDE Master :[Not Detected] Primary IDE Slave :[Not Detected] SATA 1 :[Not Detected] SATA 2 :[Not Detected] SATA 3 :[Not Detected] SATA 4 :[Not Detected]

 StorageConguration

System Information

BIOS SETUP UTILITY

Use [ENTER], [TAB] or [SHIFT-TAB] to select

aeld.

Use [+] or [-] to

conguresystemtime.

Select Screen

Select Item +- Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit

2.3.1 System Time [xx:xx:xx]

Allows you to set the system time.

2.3.2 System Date [Day xx/xx/xxxx]

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 sub-menu 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-congurable. These items show Not Detected if no IDE/SATA device is

installed in the system.

2-4 Chapter 2: BIOS information

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 specically conguring a CD-ROM drive. Select

ARMD (ATAPI Removable Media Device) if your device is either a ZIP, LS-120, or MO drive.

Conguration options: [Not Installed] [Auto] [CDROM] [ARMD]

This item does not appear when you select the SATA 1/2/3/4 devices.

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.

Conguration 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. Conguration options: [Disabled] [Auto]

PIO Mode [Auto]

Selects the PIO mode. Conguration options: [Auto] [0] [1] [2] [3] [4]

DMA Mode [Auto]

Selects the DMA mode. Conguration options: [Auto]

SMART Monitoring [Auto]

Sets the Smart Monitoring, Analysis, and Reporting Technology.

Conguration options: [Auto] [Disabled] [Enabled]

32Bit Data Transfer [Enabled]

Enables or disables 32-bit data transfer. Conguration options: [Disabled] [Enabled]

2.3.4 Storage Conguration

The items in this menu allow you to set or change the congurations for the SATA devices installed in the system. Select an item then press <Enter> if you want to congure the item.

ATA/IDE Conguration [Enhanced]

Allows you to set the ATA/IDE conguration. Conguration options: [Disabled] [Compatible] [Enhanced]

Enhanced Mode Support On [S-ATA]

Sets Serial ATA, Parallel ATA or both as native mode.

Conguration 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.

Conguration options: [0] [5] [10] [15] [20] [25] [30] [35]

ASUS P5G41-M LX 2-5

2.3.5 System Information

This menu gives you an overview of the general system specications. The BIOS

automatically detects the items in this menu.

BIOS Information

Displays the auto-detected BIOS information.

Processor

Displays the auto-detected CPU specication.

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 eld

values can cause the system to malfunction.

Main Advanced Power Boot Tools Exit

 JumperFreeConguration

 CPUConguration

Chipset

 OnboardDevicesConguration  USBConguration

PCIPnP

BIOS SETUP UTILITY

Adjust System frequency/voltage.

2.4.1 JumperFree Conguration

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 conguration options:

Manual

Auto

Overclock Prole

- allows you to individually set overclocking parameters.

- loads the optimal settings for the system.

- loads overclocking proles with optimal parameters for stability

when overclocking.

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 133 to 800. Refer to the table on the next page for the correct Front Side Bus and CPU External Frequency settings.

2-6 Chapter 2: BIOS information

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. Conguration options: [Auto] [90] [91] [92]~[150]

The following item appears only when you set the AI Overclocking item to [Overclock Prole].

Overclock Options [Overclock 5%]

Allows you to select the overclock options. Conguration options: [Overclock 5%] [Overclock 10%] [Overclock 15%] [Overclock 20%] [Test Mode]

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency.

Conguration 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

Auto 667MHz 800MHz 960MHz 1000MHz 1067MHz 1100MHz

1333 v v v v v

1066 v v v v

800 v v v

Selecting a very high DRAM frequency may cause the system to become unstable! If this happens, revert to the default setting.

DRAM Frequency

Memory Voltage [Auto]

Allows you to set the memory voltage. The values range from 1.85000V to 2.24375V with a

0.00625V increment. Key in the value directly or use +/- to adjust the voltage.

Conguration options: [Auto]

Chipset Over Voltage [Auto]

Allows you to set the chipset over voltage. The values range from 1.10000V to 1.49375V with a 0.00625V increment. Key in the value directly or use +/- to adjust the voltage.

Conguration options: [Auto]

VTT Over Voltage [Auto]

Allows you to set the VTT over voltage. The values range from 1.10000V to 1.49375V with a

0.00625V increment. Key in the value directly or use +/- to adjust the voltage.

Conguration options: [Auto]

ASUS P5G41-M LX 2-7

2.4.2 CPU Conguration

The items in this menu show the CPU-related information that the BIOS automatically detects.

CPU Ratio Setting [Auto]

Sets the ration between CPU core clock and the FSB frequency. Conguration 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. Conguration 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. Conguration 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. Conguration 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. Conguration 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 ag to always return to zero (0).

Conguration options: [Disabled] [Enabled]

The following item appears only when you installed an Intel® Pentium® 4 or later 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. Conguration options: [Enabled] [Disabled]

2-8 Chapter 2: BIOS information

2.4.3 Chipset

The Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter> to display the sub-menu.

North Bridge Conguration

Memory Remap Feature [Enabled]

Allows you to enable or disable the remapping of overlapped PCI memory above the total

physical memory. Conguration options: [Enabled] [Disabled]

Congure DRAM Timing by SPD [Enabled]

Allows you to enable or disable congurating DRAM Timing by SPD. Conguration options: [Enabled] [Disabled]

Initiate Graphic Adapter [PEG/PCI]

Allows you to select the graphics controller as the primary boot device.

Conguration options: [IGD] [PCI/IGD] [PCI/PEG] [PEG/IGD] [PEG/PCI]

IGD Graphics Mode Select [Enabled, 32MB]

Allows you to select the amout of system memory used by the Interanal graphics device.

Conguration options: [Disabled] [Enabled, 32MB] [Enabled, 64MB] [Enabled, 128MB]

GTT Graphics Memory Size [No VT mode, 2MB]

This item is not user- congurable.

DVMT Memory [256MB]

Allows you to select the DVMT memory.

Conguration 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- congurable.

South Bridge Conguration

Audio Controller [Enabled]

Allows you to set the audio controller. Conguration options: [Enabled] [Disabled]

Front Panel Type [HD Audio]

Allows you to select the front panel support type. If High Denition Audio Front Panel used, set this item to [HD Audio] mode. Conguration options: [AC97] [HD Audio]

2.4.4 Onboard Devices Conguration

Onboard LAN [Enabled]

Allows you to enable or disable the onboard LAN controller.

Conguration options: [Enabled] [Disabled]

ASUS P5G41-M LX 2-9

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.

Conguration options: [Disabled] [Enabled]

Serial Port1 Address [3F8/IRQ4]

Allows you to select the Serial Port1 base address.

Conguration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]

2.4.5 USB Conguration

The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the conguration 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.

Conguration options: [Disabled] [Enabled]

USB 2.0 Controller [Enabled]

Allows you to enable or disable USB 2.0 controller.

Conguration options: [Enabled] [Disabled]

Legacy USB Support [Auto]

Allows you to enable or disable support for Legacy USB storage devices, including USB ash

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.

Conguration options: [Disabled] [Enabled] [Auto]

USB 2.0 Controller Mode [HiSpeed]

Allows you to congure the USB 2.0 controller in HiSpeed (480Mbps) or Full Speed (12Mbps). Conguration options: [FullSpeed] [HiSpeed]

The following items may only appear when a USB storage device is plugged.

USB Mass Storage Device Conguration

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. Conguration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]

Emulation Type [Auto]

Allows you to select the emulation type. Conguration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CDROM]

2-10 Chapter 2: BIOS information

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 eld values

can cause the system to malfunction.

Plug and Play O/S [No]

When set to [No], BIOS congures all the devices in the system. When set to [Yes] and if you install a Plug and Play operating system, the operating system congures the Plug and Play devices not required for boot. Conguration options: [No] [Yes]

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 conguration options.

Main Advanced Power Boot Tools Exit

Suspend Mode [Auto]

ACPI 2.0 Support [Enabled] ACPI APIC Support [Enabled]

APMConguration

Hardware Monitor

2.5.1 Suspend Mode [Auto]

Allows you to select the Advanced Conguration and Power Interface (ACPI) state to be used for system suspend. Conguration options: [S1 (POS) Only] [S3 Only] [Auto]

BIOS SETUP UTILITY

Select the ACPI state used for System Suspend.

2.5.2 ACPI 2.0 Support [Enabled]

Allows you to add more tables for Advanced Conguration and Power Interface (ACPI) 2.0 specications. Conguration options: [Disabled] [Enabled]

2.5.3 ACPI APIC Support [Enabled]

Allows you to enable or disable the Advanced Conguration and Power Interface (ACPI) support in the Application-Specic Integrated Circuit (ASIC). When set to Enabled, the ACPI APIC table pointer is included in the RSDT pointer list. Conguration options: [Disabled] [Enabled]

ASUS P5G41-M LX 2-11

2.5.4 APM Conguration

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. Conguration options: [Power Off] [Power On] [Last State]

Power On By PS/2 Keyboard/Mouse [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.

Conguration options: [Disabled] [Enabled]

Resume On Ring [Disabled]

Allows you to enable or disable RI to generate a wake event.

Conguration 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. Conguration 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.

Conguration 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. Conguration options: [Disabled] [Enabled]

2.5.5 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/Chassis Fan Speed [xxxxRPM] or [Ignored]

The onboard hardware monitor automatically detects and displays the CPU/chassis fan

speed in rotations per minute (RPM). If the fan is not connected to the motherboard, the eld

shows N/A. Select Ignored if you do not wish to display the detected speed.

CPU Q-Fan Function [Disabled]

Allows you to enable or disable the CPU’s Q-Fan function. Conguration options: [Disabled] [Enabled]

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.

2-12 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 Boot Tools Exit

Boot Settings

Boot Device Priority

 BootSettingsConguration

Security

2.6.1 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. Conguration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled]

• To select the boot device during system startup, press <F8> when ASUS Logo appears.

• To access Windows

• Press <F5> when ASUS Logo appears.

• Press <F8> after POST.

2.6.2 Boot Settings Conguration

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. Conguration options: [Disabled] [Enabled]

Full Screen Logo [Enabled]

This allows you to enable or disable the full screen logo display feature. Conguration options: [Disabled] [Enabled]

BIOS SETUP UTILITY

SpeciestheBoot

Device Priority sequence.

Avirtualoppydisk drive (Floppy Drive B: ) may appear when you set the CD-ROM drive

astherstboot

device.

OS in Safe Mode, do any of the following:

Set this item to [Enabled] to use the ASUS MyLogo2™ feature.

AddOn ROM Display Mode [Force BIOS]

Sets the display mode for option ROM. Conguration options: [Force BIOS] [Keep Current]

Bootup Num-Lock [On]

Allows you to select the power-on state for the NumLock.

Conguration 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.

Conguration options: [Disabled] [Enabled]

ASUS P5G41-M LX 2-13

Hit ‘DEL’ Message Display [Enabled]

When set to [Enabled], the system displays the message Press DEL to run Setup during

POST. Conguration options: [Disabled] [Enabled]

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 conguration 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

2. In the password box, key in a password containing up to six letters or numbers, or

both, then press <Enter>.

3. Conrm 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.

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.

Conguration 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 eld. [Limited] - allows changes only to selected elds, such as Date and Time. [Full Access] - allows viewing and changing all the elds 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

2. In the password box, key in a password containing up to six letters or numbers, or

both, then press <Enter>.

3. Conrm 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.

Change Supervisor Password item and press <Enter>.

If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section 1.6 Jumpers for information on how to erase the RTC RAM.

Change User Password item and press <Enter>.

2-14 Chapter 2: BIOS information

Clear User Password

Exit system setup after saving the changes.

F10 key can be used for this operation.

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. Conguration options: [Setup] [Always]

2.7 Tools menu

The Tools menu items allow you to congure options for special functions. Select an item

then press <Enter> to display the sub-menu.

Main Advanced Power Boot Tools Exit

ASUS EZ Flash 2

AI NET 2

2.7.1 ASUS EZ Flash 2

Allows you to run ASUS EZ Flash 2. When you press <Enter>, a conrmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to

conrm your choice. See section 2.1.2 ASUS EZ Flash 2 for details.

2.7.2 AI NET 2

Check Realtek LAN cable [Disabled]

Enables or disables checking of the Realtek LAN cable during the Power-On Self-Test

(POST). Conguration options: [Disabled] [Enabled]

BIOS SETUP UTILITY

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)

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 Boot Tools Exit

Exit Options

Exit & Save Changes

Exit & Discard Changes Discard Changes

Load Setup Defaults

Pressing <Esc> does not immediately exit this menu. Select one of the options from this menu or <F10> from the legend bar to exit.

ASUS P5G41-M LX 2-15

BIOS SETUP UTILITY

Exit system setup after saving the changes.

F10 key can be used for this operation.

Asus P5G41-M LX User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Notices

Safety information

About this guide

Chapter 1

Product introduction

1.1 Before you proceed

1.2 Motherboard overview

1.2.1 Motherboard layout

1.2.2 Layout contents

1.3 Central Processing Unit (CPU)

1.4 System memory

1.4.1 Overview

1.5 Expansion slots

1.5.1 Installing an expansion card

1.5.3 PCI slot

1.5.4 PCI Express x1 slots

1.5.5 PCI Express x16 slot

1.6 Jumpers

1.7 Connectors

1.7.1 Rear panel connectors

1.7.2 Internal connectors

1.8 Software support

1.8.1 Installing an operating system

1.8.2 Support DVD information

Chapter 2

BIOS information

2.1 Managing and updating your BIOS

2.1.1 ASUS Update utility

2.1.2 ASUS EZ Flash 2

2.1.3 ASUS CrashFree BIOS

2.2 BIOS setup program

2.3 Main menu

System Time [12:56:38]

System Date [Tue 01/08/2002]

2.3.3 Primary IDE Master/Slave, SATA1~4

2.3.5 System Information

2.4 Advanced menu

2.4.3 Chipset

2.4.6 PCI PnP

2.5 Power menu

ACPI 2.0 Support [Enabled] ACPI APIC Support [Enabled]

2.5.5 Hardware Monitor

2.6 Boot menu

2.6.1 Boot Device Priority

2.6.3 Security

2.7 Tools menu

2.7.1 ASUS EZ Flash 2

2.7.2 AI NET 2

2.8 Exit menu