Asus P5G41T-M LX3 User Manual
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Asus P5G41T-M LX3 User Manual

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Frequently Asked Questions (28)

  • How do I update the BIOS on my Asus P5G41T-M LX3 motherboard?

    You can update the BIOS using two methods:

    • ASUS Update utility: This utility operates within the Windows® environment. First, install the ASUS Update utility from the support DVD by placing the DVD in the optical drive, clicking the Utilities tab, then selecting ASUS Update. Follow the onscreen instructions for installation. To update, launch the ASUS Update utility from the Windows® desktop (Start > Programs > ASUS > ASUSUpdate > ASUSUpdate). You can then select to Update BIOS from the Internet or Update BIOS from a file. If updating from the Internet, select the nearest ASUS FTP site or use Auto Select, then choose the BIOS version to download. If updating from a file, locate the BIOS file and click Open.
    • ASUS EZ Flash 2: This utility allows you to update the BIOS without using an OS-based utility. Before starting, download the latest BIOS file from the ASUS website and save it to a USB flash disk. Insert the USB flash disk into a USB port. You can launch EZ Flash 2 by pressing <Alt> + <F2> during POST or by entering the BIOS setup program, navigating to the Tools menu, and selecting EZ Flash 2. Press <Tab> to switch between drives until the correct BIOS file is found. Once the file is found, EZ Flash 2 will perform the update and automatically reboot the system.

    IMPORTANT: Do not shut down or reset the system while updating the BIOS to prevent system boot failure.


    For more information, see pages 37 and 38 of the manual.
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  • What should I do if my Asus P5G41T-M LX3 motherboard is not turning on?

    If your motherboard is not turning on, ensure that your power supply unit (PSU) meets the recommended requirements. The motherboard requires an ATX 12V Specification 2.0-compliant PSU with a minimum of 400W power rating. Additionally, make sure you have connected the 4-pin ATX +12V power plug to the motherboard, as the system will not boot up without it. Inadequate power can lead to system instability or failure to boot.


    For more information, see page 31 of the manual.
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  • How do I access the BIOS settings on the Asus P5G41T-M LX3?

    You can access the BIOS settings in two ways:

    • At startup: Press the <Delete> key during the Power-On Self Test (POST).
    • After POST: You can press <Ctrl>+<Alt>+<Del> simultaneously, press the reset button on the system chassis, or turn the system off and then back on using the power button. The power button method should only be used if the first two options fail.

    For more information, see page 40 of the manual.
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  • Which processors are compatible with the Asus P5G41T-M LX3 motherboard?

    The Asus P5G41T-M LX3 motherboard is compatible with Intel® processors designed for the LGA775 socket, including:

    • Intel® Core™ 2 Quad
    • Intel® Core™ 2 Extreme
    • Intel® Core™ 2 Duo
    • Intel® Pentium® dual-core
    • Intel® Celeron® dual-core
    • Intel® Celeron® processors

    It also supports Intel® 05B/05A/06 processors and Intel® 45nm multi-core CPUs. For the most current list of supported CPUs, refer to the ASUS website.


    For more information, see pages 9 and 17 of the manual.
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  • Why am I getting no display when using the Asus P5G41T-M LX3 motherboard?

    The Asus P5G41T-M LX3 motherboard has an Integrated Intel® GMA X4500 GPU. To ensure proper display output, you can configure the primary graphics adapter in the BIOS. In the Chipset menu, under Initiate Graphic Adapter, you can select the graphics controller as the primary boot device, choosing options like IGD (Integrated Graphics Device).


    For more information, see pages 9 and 48 of the manual.
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  • What troubleshooting steps can I take if my Asus P5G41T-M LX3 motherboard has a boot problem?

    If your system experiences a boot problem, you can take the following steps:

    • Restore corrupted BIOS file: Use ASUS CrashFree BIOS 3, an auto-recovery tool, to restore a corrupted BIOS file. You will need the motherboard support DVD or a removable device (such as a USB flash disk) containing the updated BIOS file. Rename the BIOS file on the removable device to P5G4TML3.ROM, then turn on the system with the DVD or device inserted. The utility will automatically check for the BIOS file, read it, and flash the corrupted BIOS. After the process, turn off the system and turn it on again.
    • Restore CPU default settings after overclocking failure: If the system hangs due to overclocking, the C.P.R. (CPU Parameter Recall) feature automatically restores the CPU default settings. Simply shut down and reboot the system, and the BIOS will reset the CPU parameters to their default settings.
    • Load BIOS default settings: To ensure system compatibility and stability, especially after changing BIOS settings, load the BIOS default settings. You can do this by selecting the Load Setup Defaults item under the Exit menu in the BIOS setup program, or by pressing <F5> in the Exit menu, then confirm with OK.

    For more information, see pages 13, 39, 40 and 57 of the manual.
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  • How do I configure the Asus P5G41T-M LX3 to boot from a USB drive?

    To configure the motherboard to boot from a USB drive, you need to set the Boot Device Priority in the BIOS. Access the BIOS setup program, navigate to the Boot menu, and then select Boot Device Priority. From there, you can specify the boot order, selecting your USB drive (listed as Removable Dev.) as a primary boot device.


    For more information, see page 53 of the manual.
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  • What type of RAM does the Asus P5G41T-M LX3 motherboard support?

    The Asus P5G41T-M LX3 motherboard supports Dual Inline Memory Modules (DIMM) of Double Data Rate 3 (DDR3). Specifically, it has two 240-pin DIMM sockets that support unbuffered non-ECC 1333(O.C.)/1066 MHz DDR3 memory modules. You can install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs.


    For more information, see pages 9, 22 and 23 of the manual.
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  • What CPU socket type does the Asus P5G41T-M LX3 motherboard use?

    The Asus P5G41T-M LX3 motherboard uses an LGA775 socket.


    For more information, see pages 9 and 17 of the manual.
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  • What is the maximum amount of RAM supported by the Asus P5G41T-M LX3?

    The Asus P5G41T-M LX3 motherboard supports up to 8GB of system memory. If you install 4GB or more memory, a Windows® 32-bit operating system may only recognize less than 3GB; therefore, a maximum of 3GB is recommended for 32-bit systems, or a 64-bit Windows® OS for 4GB or more.


    For more information, see pages 9 and 23 of the manual.
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  • What types of graphics cards are compatible with the Asus P5G41T-M LX3 motherboard?

    The Asus P5G41T-M LX3 motherboard supports graphics cards that comply with PCI Express specifications. It offers the following expansion slots:

    • 1 x PCIe x16 slot for a PCI Express x16 graphics card.
    • 2 x PCIe x1 slots.
    • 1 x PCI slot.

    For more information, see pages 9 and 26 of the manual.
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  • Can I install an SSD on the Asus P5G41T-M LX3 motherboard, and will it be limited by SATA speeds?

    Yes, you can install an SSD on the Asus P5G41T-M LX3 motherboard. The motherboard supports Serial ATA 3Gb/s technology and provides 4 x Serial ATA 3Gb/s ports. Therefore, any installed SSD will operate at speeds limited by the 3Gb/s SATA interface.


    For more information, see pages 9, 12 and 32 of the manual.
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  • What Windows operating systems are compatible with the Asus P5G41T-M LX3 motherboard?

    The Asus P5G41T-M LX3 motherboard is compatible with Windows® XP, Windows® Vista, and Windows® 7 Operating Systems (OS). It is recommended to install Windows® XP Service Pack 3 or later or Windows® Vista Service Pack 1 or later for better compatibility and system stability.


    For more information, see page 35 of the manual.
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  • Does the Asus P5G41T-M LX3 motherboard have integrated graphics, and how do I enable them?

    Yes, the Asus P5G41T-M LX3 motherboard has integrated graphics, specifically an Intel® GMA X4500 GPU with a maximum shared memory of 256MB. To enable or configure them, you can access the BIOS settings. In the Chipset menu, navigate to Initiate Graphic Adapter and select IGD (Integrated Graphics Device) as the primary boot device.


    For more information, see pages 9 and 48 of the manual.
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  • What steps should I take if a BIOS update fails on my Asus P5G41T-M LX3 motherboard?

    If a BIOS update fails, you can use the ASUS CrashFree BIOS 3 feature, which is an auto-recovery tool. To recover the BIOS:

    1. Turn on the system.
    2. Insert the support DVD to the optical drive or a removable device (such as a USB flash disk) containing the updated BIOS file to the USB port. Ensure that the BIOS file on the removable device is renamed to P5G4TML3.ROM.
    3. The utility will automatically check for devices, find the BIOS file, and start flashing the corrupted BIOS file.
    4. After the utility completes the updating process, turn off the system and turn it on again.

    IMPORTANT: Do not shut down or reset the system while updating the BIOS, as this can cause system boot failure. After recovery, it's recommended to load the BIOS default settings to ensure system compatibility and stability.


    For more information, see page 39 of the manual.
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  • Where can I find the audio drivers for the Asus P5G41T-M LX3?

    The audio drivers for the Asus P5G41T-M LX3 motherboard can be found on the Support DVD that comes with the motherboard package. The DVD's menu includes an option to install the Realtek Audio Driver.


    For more information, see page 35 of the manual.
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  • How do I clear the CMOS on my Asus P5G41T-M LX3 motherboard?

    To clear the CMOS (Real Time Clock RAM), follow these steps:

    1. Turn OFF the computer and unplug the power cord.
    2. Locate the 3-pin CLRTC jumper on the motherboard. 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 it back to pins 1-
    4. Plug the power cord and turn ON the computer.
    5. Hold down the <Del> key during the boot process to enter BIOS setup and re-enter data.

    If these steps do not help, you can remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing, reinstall the battery.


    For more information, see page 27 of the manual.
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  • How do I connect the front panel connectors to the Asus P5G41T-M LX3 motherboard?

    To connect the front panel connectors to the Asus P5G41T-M LX3 motherboard, use the following:

    • 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 standards. Connect one end of the front panel audio I/O module cable to this connector.
    • System panel connector (10-1 pin F_PANEL): This connector supports several chassis-mounted functions including:
      • System power LED (2-pin PLED): Connect the chassis power LED cable.
      • Hard disk drive activity LED (2-pin +HDLED): Connect the HDD Activity LED cable.
      • ATX power button/soft-off button (2-pin PWRBTN): Connect the system power button.
      • Reset button (2-pin RESET): Connect the chassis-mounted reset button.

    Ensure that the cables are correctly oriented and securely connected to the corresponding pins on the motherboard.


    For more information, see pages 30 and 34 of the manual.
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  • How can I check CPU temperature and prevent overheating on the Asus P5G41T-M LX3?

    You can check the CPU temperature through the Hardware Monitor section in the BIOS, which automatically detects and displays the CPU Temperature. To prevent overheating, the motherboard has a CPU TM Function (Intel® CPU Thermal Monitor) which, when enabled, reduces the CPU core frequency and voltage if the CPU overheats. Additionally, the CPU Q-Fan Control feature allows you to enable intelligent and automatic adjustment of the CPU fan speed based on system load and temperature, which helps maintain optimal cooling and prevent overheating.


    For more information, see pages 48 and 52 of the manual.
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  • How do I update the chipset drivers for the Asus P5G41T-M LX3 motherboard?

    The chipset drivers for the Asus P5G41T-M LX3 motherboard are provided on the Support DVD that comes with the motherboard package. The DVD's menu includes an option to install the Intel Chipset Driver. For the latest updates, you can also visit the ASUS website.


    For more information, see page 35 of the manual.
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  • How can I optimize the boot speed of my Asus P5G41T-M LX3 system?

    You can optimize the boot speed of your system by enabling the Quick Boot feature in the BIOS. This allows the BIOS to skip some power-on self-tests (POST) during boot-up, reducing the time needed for the system to boot. You can find this setting under the Boot Settings Configuration in the BIOS.


    For more information, see page 53 of the manual.
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  • Do I need specific SATA drivers for the Asus P5G41T-M LX3 motherboard?

    The motherboard supports Serial ATA 3Gb/s technology. If you are using Windows® XP, you should install Service Pack 3 or a later version before using Serial ATA. The necessary drivers are included on the Support DVD that comes with the motherboard.


    For more information, see pages 9, 12, 32 and 35 of the manual.
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  • Can I overclock my CPU on the Asus P5G41T-M LX3 motherboard?

    Yes, you can overclock your CPU on the Asus P5G41T-M LX3 motherboard. The motherboard features ASUS exclusive overclocking features, including SFS (Stepless Frequency Selection) which allows for FSB tuning from 200MHz to 800MHz at 1MHz increment. You can adjust CPU overclocking options through the Ai Overclocking setting in the BIOS, which allows for Manual setting of overclocking parameters or loading Overclock Profile with optimal parameters for stability.


    For more information, see pages 9 and 45 of the manual.
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  • What are the power supply requirements for the Asus P5G41T-M LX3 motherboard?

    The Asus P5G41T-M LX3 motherboard requires an ATX 12V Specification 2.0-compliant power supply unit (PSU) with a minimum of 400W power rating. This PSU type uses 24-pin and 4-pin power plugs. If using a PSU with 20-pin and 4-pin power plugs, ensure the 20-pin plug provides at least 15A on +12V and the PSU has a minimum 400W rating. An inadequate power supply may lead to system instability or failure to boot.


    For more information, see page 31 of the manual.
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  • What type of expansion slots (PCIe/PCI) does the Asus P5G41T-M LX3 motherboard offer?

    The Asus P5G41T-M LX3 motherboard offers the following expansion slots:

    • 1 x PCIe x16 slot
    • 2 x PCIe x1 slots
    • 1 x PCI slot

    For more information, see pages 9 and 26 of the manual.
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  • How do I properly install a CPU onto the LGA775 socket of the Asus P5G41T-M LX3?

    To properly install a CPU onto the LGA775 socket, follow these steps:

    1. Locate the CPU socket on the motherboard.
    2. Press the load lever with your thumb, then move it to the left until it is released from the retention tab.
    3. Lift the load lever to a 135° angle.
    4. Lift the load plate to a 100° angle, then push the PnP cap from the load plate window to remove it.
    5. Position the CPU over the socket, ensuring the gold triangle on the CPU aligns with the bottom-left corner of the socket and the socket alignment key fits into the CPU notch.
    6. Apply Thermal Interface Material to the exposed area of the CPU where the heatsink will make contact, ensuring an even thin layer. (Skip if heatsink has pre-applied thermal paste).
    7. Close the load plate, then push the load lever until it snaps into the retention tab.

    For more information, see pages 17, 18 and 19 of the manual.
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  • Is the Asus P5G41T-M LX3 motherboard suitable for gaming?

    Yes, the Asus P5G41T-M LX3 motherboard supports Intel® LGA775 Core™ 2 Extreme / Core™ 2 Quad / Core™ 2 Duo processors, which are described as excellent for multitasking, multimedia, and enthusiastic gamers.


    For more information, see page 11 of the manual.
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  • How many SATA ports are available on the Asus P5G41T-M LX3 motherboard?

    The Asus P5G41T-M LX3 motherboard has 4 x Serial ATA 3Gb/s ports. These are labeled SATA1-4 on the motherboard.


    For more information, see pages 9 and 32 of the manual.
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Summary of Contents for Asus P5G41T-M LX3

  • Page 1 P5G41T-M LX3...
  • Page 2 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.

  • Page 3: Table Of Contents

    Contents Notices ......................vi Safety information ..................vii About this guide ..................vii P5G41T-M LX3 specifications summary ........... ix Chapter 1: Product introduction Welcome! ..................1-1 Package contents ................. 1-1 Special features ................1-1 1.3.1 Product highlights ............1-1 1.3.2 Innovative ASUS features ..........
  • Page 4 Chapter 2: BIOS information Managing and updating your BIOS ..........2-1 2.1.1 ASUS Update utility ............2-1 2.1.2 ASUS EZ Flash 2 ............2-2 2.1.3 ASUS CrashFree BIOS ........... 2-3 BIOS setup program ..............2-4 2.2.1 BIOS menu screen ............2-5 2.2.2...
  • Page 5 APM Configuration ............2-16 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 ................. 2-20 ASUS EZ Flash 2 ................. 2-20 Exit menu ..................2-21...

  • Page 6: Notices

    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://csr.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.

  • Page 7: Safety Information

    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.

  • Page 8: Conventions Used In This Guide

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

  • Page 9: P5G41T-M Lx3 Specifications Summary

    - 2 x 240-pin DIMM sockets support unbuffered non-ECC 1333(O.C.)/1066 MHz DDR3 memory modules - Supports up to 8GB system memory * Refer to www.asus.com for the latest Memory QVL (Qualified Vendors Lists). ** When you install a total memory of 4GB or more, Windows®...
  • Page 10 P5G41T-M LX3 specifications summary ASUS unique ASUS CrashFree BIOS 3 features ASUS Q-Fan ASUS EZ Flash 2 ASUS MyLogo 2 ASUS Turbo Key ASUS EPU-L Back panel I/O ports 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x COM port...

  • Page 11: Chapter 1: Product Introduction

    ® 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.

  • Page 12: Innovative Asus Features

    Turbo Key ASUS Turbo Key allows you to turn the PC power button into an overclocking button. After you easy setup, Turbo Key boosts performances without interrupting ongoing work or games, simply through pressing the button.
  • Page 13 BIOS file using the bundled support DVD or USB flash disk that contains the latest BIOS file. ASUS EZ Flash 2 ASUS EZ Flash 2 is a utility that allows you to update the BIOS without using an OS-based utility. C.P.R. (CPU Parameter Recall) The BIOS C.P.R.

  • Page 14: Before You Proceed

    The illustration below shows the location of the onboard LED. SB_PWR P5G41T-M LX3 Standby Power Powered Off P5G41T-M LX3 Onboard LED Chapter 1: Product introduction...

  • Page 15: Motherboard Overview

    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 P5G41T-M LX3 ASUS P5G41T-M LX3...

  • Page 16: Motherboard Layout

    USB34 8103EL LAN1_USB12 Intel ® CHA_FAN 9LRS954 AUDIO Lithium Cell PCIEX1_1 CMOS Power ATHEROS 8151 PCIEX16 Super Intel ® PCIEX1_2 P5G41T-M LX3 ICH7 PCI1 ALC887 SB_PWR USB56 USB78 BIOS SPEAKER F_PANEL SATA1 SATA2 CLRTC SPDIF_OUT AAFP USBPW5-8 3 10 1.5.4...

  • Page 17: Central Processing Unit (Cpu)

    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.
  • Page 18 Press the load lever with your thumb Retention tab (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. Load lever Lift the load lever in the direction of the PnP cap...
  • Page 19 To prevent contaminating the paste, DO NOT spread the paste with your finger directly. Close the load plate (A), then push the load lever (B) until it snaps into the retention tab. ASUS P5G41T-M LX3...

  • Page 20: Installing The Cpu Heatsink And Fan

    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 ®...

  • Page 21: Uninstalling The Cpu Heatsink And Fan

    Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU_FAN P5G41T-M LX3 P5G41T-M LX3 CPU fan connector Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.

  • Page 22: System Memory

    The motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. The figure illustrates the location of the DDR3 DIMM sockets: Channel Sockets Channel A DIMM_A1 Channel B DIMM_B1 P5G41T-M LX3 P5G41T-M LX3 240-pin DDR3 DIMM sockets 1-12 Chapter 1: Product introduction...

  • Page 23: Memory Configurations

    Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value. • For system stability, use a more efficient cooling system to support a full memory load (2 DIMMs) or overclocking conditions. P5G41T-M LX3 Motherboard Qualified Vendors Lists (QVL) DDR3-1066 MHz capability DIMM socket support...

  • Page 24: Ddr3-1333 Mhz Capability

    • A*: Supports one module inserted into any slot as 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. 1-14 Chapter 1: Product introduction...

  • Page 25: Installing A Dimm

    DIMM. Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force. DIMM notch Remove the DIMM from the socket. ASUS P5G41T-M LX3 1-15...

  • Page 26: Expansion Slots

    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.

  • Page 27: Jumpers

    Clear RTC P5G41T-M LX3 (Default) P5G41T-M LX3 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.

  • Page 28: Keyboard Power

    P5G41T-M LX3 +5VSB (Default) P5G41T-M LX3 USB Device Wake Up • The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port; otherwise, the system would not power up. • The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode.

  • Page 29: Connectors

    Mic In Mic In Bass/Center Bass/Center Lime (Front panel) – – – Side Speaker Out To configure an 8-channel audio output: Use the chassis with HD audio module in the front panel to support 8-channel audio output. ASUS P5G41T-M LX3 1-19...

  • Page 30: Internal Connectors

    Legacy AC’97 pin definition compliant definition P5G41T-M LX3 Front panel audio 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].

  • Page 31: Atx Power Connectors

    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. ASUS P5G41T-M LX3...
  • Page 32 SATA4 SATA1 SATA2 SATA3 P5G41T-M LX3 P5G41T-M LX3 SATA connectors Install the Windows XP Service Pack 3 or later version before using Serial ATA. ® USB connectors (10-1 pin USB56, 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.
  • Page 33 P5G41T-M LX3 Rotation P5G41T-M LX3 fan connectors Only the 4-pin CPU fan supports the ASUS Q-FAN feature. Digital audio connector (4-1 pin SPDIF_OUT) 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.

  • Page 34: System Panel Connector

    PIN 1 P5G41T-M LX3 HD_LED RESET P5G41T-M LX3 System panel connector • 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.

  • Page 35: Software Support

    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.
  • Page 36 1-26 Chapter 1: Product introduction...

  • Page 37: Managing And Updating Your Bios

    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. ®...

  • Page 38: Asus Ez Flash 2

    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 file from the ASUS website at www.asus.com.

  • Page 39: Asus Crashfree Bios

    2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS 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 restore a corrupted BIOS file using the motherboard support DVD or a removable device that contains the updated BIOS file.

  • Page 40: Bios Setup Program

    • 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.

  • Page 41: Bios Menu Screen

    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 P5G41T-M LX3...

  • Page 42: Navigation Keys

    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 The highlighted item on the menu bar displays the specific items for that menu.

  • Page 43: Main Menu

    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] ASUS P5G41T-M LX3...

  • Page 44: Storage Configuration

    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.

  • Page 45: System Information

    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 P5G41T-M LX3...
  • Page 46 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.

  • Page 47: Cpu Configuration

    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] ASUS P5G41T-M LX3 2-11...

  • Page 48: Chipset

    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.

  • Page 49: Onboard Devices Configuration

    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] ASUS P5G41T-M LX3 2-13...

  • Page 50: Usb Configuration

    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.

  • Page 51: Pci Pnp

    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] ASUS P5G41T-M LX3 2-15...

  • Page 52: Apm Configuration

    2.5.4 APM Configuration 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.

  • Page 53: Boot Menu

    Configuration 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 OS in Safe Mode, do any of the following: ®...

  • Page 54: Security

    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.

  • Page 55: Change 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] ASUS P5G41T-M LX3 2-19...

  • Page 56: Tools Menu

    3.CD-DISC (read only) ASUS EZ Flash 2 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 ASUS EZ Flash 2 for details.

  • Page 57: Exit Menu

    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. ASUS P5G41T-M LX3 2-21...
  • Page 58 2-22 Chapter 2: BIOS information...

  • Page 59: Asus Contact Information

    +1-510-739-3777 +1-510-608-4555 Web site usa.asus.com Technical Support Telephone +1-812-282-2787 Support fax +1-812-284-0883 Online support support.asus.com ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, D-40880 Ratingen, Germany +49-2102-959911 Web site www.asus.de Online contact www.asus.de/sales Technical Support Telephone (Component) +49-1805-010923*...

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