Asus M Series Specifications

MotherboardP5G41-M LX2 Series • P5G41-M LX2 • P5G41-M LX2/GB

ASUS P5G41-M LX2 Series 1-1Chapter 1Product introduction If any of the items is damaged or missing, contact your retailer.Thank you for buying an ASUS

1-2 Chapter 1: Product introduction1.2 Motherboard overview1.2.1 Motherboard layoutPlace six screws into the holes indicated by circles to secure th

ASUS P5G41-M LX2 Series 1-31.3 Central Processing Unit (CPU)This motherboard comes with a surface mount LGA775 socket designed for the Intel® Core™2

1-4 Chapter 1: Product introduction1.4.2 Memory congurationsYou may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR2 DIMMs into the DIMM soc

ASUS P5G41-M LX2 Series 1-5DDR2-800MHz capability(continued on the next page)Vendor Part No. SizeSS/DSChip BrandChip NO. CL VoltageDIMM socket support

1-6 Chapter 1: Product introductionVisit the ASUS website at www.asus.com for the latest QVL.SS: Single-sided / DS: Double-sided DIMM support: • A*:

ASUS P5G41-M LX2 Series 1-71.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots a

1-8 Chapter 1: Product introduction1.6 Jumpers1. Clear RTC RAM (3-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. Y

ASUS P5G41-M LX2 Series 1-92. Keyboard power (3-pin KBPWR)This jumper allows you to enable or disable the keyboard wake-up feature. When you set this

1-10 Chapter 1: Product introduction1.7 Connectors1.7.1 Rear panel ports826791013 45LED (Orange) LED (Green)Status Description Status DescriptionOFF

iiE5070First Edition V1 October 2009Copyright © 2009 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and soft

ASUS P5G41-M LX2 Series 1-111.7.2 Internal connectors1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)These connectors are for ATX power supply

1-12 Chapter 1: Product introductionDO NOT forget to connect the fan cables to the fan connectors. Insufcient air ow inside the system may damage th

ASUS P5G41-M LX2 Series 1-134. IDE connector (40-1 pin PRI_IDE)The onboard IDE connector is for the Ultra DMA 100/66 signal cable. There are three co

1-14 Chapter 1: Product introduction5. USB connectors (10-1 pin USB56, USB78)These connectors are for USB 2.0 ports. Connect the USB module cable to

ASUS P5G41-M LX2 Series 1-156. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio I/O module that s

1-16 Chapter 1: Product introduction8. System panel connector (10-1 pin F_PANEL)This connector supports several chassis-mounted functions.• System p

ASUS P5G41-M LX2 Series 1-171.8 Software support1.8.1 Installing an operating systemThis motherboard supports Windows® XP/Vista/7 Operating Systems

ASUS P5G41-M LX2 Series 2-1Chapter 2BIOS informationSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore th

2-2 Chapter 2: BIOS information2.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Befo

ASUS P5G41-M LX2 Series 2-32.1.3 ASUS CrashFree BIOSThe ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS le when it

iiiContentsNotices ... vSafety information ...

2-4 Chapter 2: BIOS informationUsing the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from a running op

ASUS P5G41-M LX2 Series 2-5This item does not appear when you select the SATA 1/2/3/4 devices.LBA/Large Mode [Auto]Enables or disables the LBA mode. S

2-6 Chapter 2: BIOS information2.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Take ca

ASUS P5G41-M LX2 Series 2-72.4.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.Ratio CM

2-8 Chapter 2: BIOS information2.4.2 ChipsetThe Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter&

ASUS P5G41-M LX2 Series 2-92.4.3 Onboard Devices CongurationSerial Port1 Address [3F8/IRQ4]Allows you to select the Serial Port1 base address. Cong

2-10 Chapter 2: BIOS information2.5 Power menuThe Power menu items allow you to change the settings for the Advanced Power Management (APM). Select a

ASUS P5G41-M LX2 Series 2-112.5.4 APM CongurationRestore on AC Power Loss [Power Off]When set to [Power Off], the system goes into off state after a

2-12 Chapter 2: BIOS information2.6.1 Boot Device Priority1st ~ xxth Boot DeviceThese items specify the boot device priority sequence from the availa

ASUS P5G41-M LX2 Series 2-13Hit ‘DEL’ Message Display [Enabled]When set to [Enabled], the system displays the message Press DEL to run Setup during PO

ivContents2.3 Main menu ... 2-42.3.1 System Time ...

2-14 Chapter 2: BIOS information2.7.1 ASUS EZ Flash 2Allows you to run ASUS EZ Flash 2. When you press <Enter>, a conrmation message appears.

vNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two condi

viSafety informationElectrical safety• To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the sy

viiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

viiiP5G41-M LX2 Series specications summary(continued on the next page)CPU LGA775 socket for Intel® Core™2 Quad / Core™2 Extreme / Core™2 Duo / Pe

ixP5G41-M LX2 Series specications summary* Specications are subject to change without notice.Back panel I/O ports 1 x PS/2 keyboard port 1 x PS/2 m