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Contents Notices...v Safety information vi About this guide vii P5G41-M LX specifications summary viii Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-3 ... support 1-16 1.8.1 Installing an operating system 1-16 1.8.2 Support DVD information 1-16 Chapter 2: BIOS information 2.1 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 2.2 BIOS setup program 2-3 iii
Contents Notices...v Safety information vi About this guide vii P5G41-M LX specifications summary viii Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-3 ... support 1-16 1.8.1 Installing an operating system 1-16 1.8.2 Support DVD information 1-16 Chapter 2: BIOS information 2.1 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 2.2 BIOS setup program 2-3 iii
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...memory if you install a total memory of 2048 x 1536 @75HZ - Supports RGB with max. P5G41-M LX specifications summary CPU Chipset Front Side Bus Memory Graphics Expansion slots Storage LAN Audio USB ASUS special features LGA775 socket for Intel® Core™2 Quad / Core™2 Extreme / Core...multi-core CPU * Refer to 8 x USB 2.0/1.1 ports (4 ports at mid-board, 4 ports at back panel) ASUS CrashFree BIOS 3 ASUS Q-Fan ASUS EZ Flash 2 ASUS MyLogo 2 ASUS AI NET 2 ASUS Turbo Key (continued on the next page) viii Northbridge: Intel® G41 Southbridge: Intel® ICH7 1333/1066/...
...memory if you install a total memory of 2048 x 1536 @75HZ - Supports RGB with max. P5G41-M LX specifications summary CPU Chipset Front Side Bus Memory Graphics Expansion slots Storage LAN Audio USB ASUS special features LGA775 socket for Intel® Core™2 Quad / Core™2 Extreme / Core...multi-core CPU * Refer to 8 x USB 2.0/1.1 ports (4 ports at mid-board, 4 ports at back panel) ASUS CrashFree BIOS 3 ASUS Q-Fan ASUS EZ Flash 2 ASUS MyLogo 2 ASUS AI NET 2 ASUS Turbo Key (continued on the next page) viii Northbridge: Intel® G41 Southbridge: Intel® ICH7 1333/1066/...
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ix P5G41-M LX specifications summary Back panel I/O ports Internal I/O connectors BIOS features Support DVD contents Accessories Form factor 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x COM port 1 x VGA port 1 x ...-pin EATX power connector 1 x 4-pin ATX 12V power connector 8Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0, ACPI v2.0a, SM BIOS v2.5 Drivers ASUS PC Probe II ASUS LiveUpdate Utility Anti-virus software (OEM version) 2 x Serial ATA cables 1 x UltraDMA 100/66 cable 1 x I/O shield User Manual MicroATX form factor: 9.6 in x 7.2 in (24...
ix P5G41-M LX specifications summary Back panel I/O ports Internal I/O connectors BIOS features Support DVD contents Accessories Form factor 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x COM port 1 x VGA port 1 x ...-pin EATX power connector 1 x 4-pin ATX 12V power connector 8Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0, ACPI v2.0a, SM BIOS v2.5 Drivers ASUS PC Probe II ASUS LiveUpdate Utility Anti-virus software (OEM version) 2 x Serial ATA cables 1 x UltraDMA 100/66 cable 1 x I/O shield User Manual MicroATX form factor: 9.6 in x 7.2 in (24...
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... to static electricity. • Hold components by the edges to page ix for buying an ASUS® P5G41-M LX motherboard! This is damaged or missing, contact your motherboard package. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 Chapter 1 Product introduction Thank you for the list of accessories. Refer to avoid touching the...
... to static electricity. • Hold components by the edges to page ix for buying an ASUS® P5G41-M LX motherboard! This is damaged or missing, contact your motherboard package. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 Chapter 1 Product introduction Thank you for the list of accessories. Refer to avoid touching the...
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...-4 LAN1_USB12 LGA775 Intel® G41 24.4cm(9.6in) EATXPWR AUDIO 2 RTL 8103EL PCIEX16 ICS 9LRS954 7 Super I/O PCIEX1_1 Lithium Cell CMOS Power Intel® 8 ICH7 PCIEX1_2 P5G41-M LX SATA2 SATA4 CLRTC 8Mb 8 BIOS ALC PCI1 SATA1 SATA3 662-VC1 SB_PWR F_PANEL USBPW5-8 USB78 USB56 PRI_IDE AAFP SPEAKER 14 13 12 11 4 10 9 Place...
...-4 LAN1_USB12 LGA775 Intel® G41 24.4cm(9.6in) EATXPWR AUDIO 2 RTL 8103EL PCIEX16 ICS 9LRS954 7 Super I/O PCIEX1_1 Lithium Cell CMOS Power Intel® 8 ICH7 PCIEX1_2 P5G41-M LX SATA2 SATA4 CLRTC 8Mb 8 BIOS ALC PCI1 SATA1 SATA3 662-VC1 SB_PWR F_PANEL USBPW5-8 USB78 USB56 PRI_IDE AAFP SPEAKER 14 13 12 11 4 10 9 Place...
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The figure illustrates the location of the DDR2 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B P5G41-M LX P5G41-M LX 240-pin DDR2 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS P5G41-M LX 1-3 ASUS will shoulder the cost of repair only if the damage is shipment/transit-related. • Keep the... any damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP cap. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline ...
The figure illustrates the location of the DDR2 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B P5G41-M LX P5G41-M LX 240-pin DDR2 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS P5G41-M LX 1-3 ASUS will shoulder the cost of repair only if the damage is shipment/transit-related. • Keep the... any damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP cap. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline ...
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... Windows® Vista x64 editions. The system maps the total size of the lower-sized channel for the OS can be about 3GB or less. P5G41-M LX Motherboard Qualified Vendors Lists (QVL) DDR2-667 MHz capability Size 2G 512MB 2G 1G 512MB 1G 1G 512MB 1G 1G 512MB 1G 512MB 512MB 512MB...
... Windows® Vista x64 editions. The system maps the total size of the lower-sized channel for the OS can be about 3GB or less. P5G41-M LX Motherboard Qualified Vendors Lists (QVL) DDR2-667 MHz capability Size 2G 512MB 2G 1G 512MB 1G 1G 512MB 1G 1G 512MB 1G 512MB 512MB 512MB...
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...-Sink Package DS Heat-Sink Package SS HY5PS12821CFP-S5 DS HY5PS12821CFPS5 • • • • • • • • • (continued on the next page) ASUS P5G41-M LX 1-5 NT5TU64M8BE-3C72155700CP Heat-Sink Package Heat-Sink Package Heat-Sink Package D2 64M8CCF 0815 C7173S Heat-Sink Package PG 64M8-800 0750 A3R12E3GEF633ACAOY K4T2G084QA-HCE6...
...-Sink Package DS Heat-Sink Package SS HY5PS12821CFP-S5 DS HY5PS12821CFPS5 • • • • • • • • • (continued on the next page) ASUS P5G41-M LX 1-5 NT5TU64M8BE-3C72155700CP Heat-Sink Package Heat-Sink Package Heat-Sink Package D2 64M8CCF 0815 C7173S Heat-Sink Package PG 64M8-800 0750 A3R12E3GEF633ACAOY K4T2G084QA-HCE6...
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...GEIL GEIL GEIL GEIL N/A Kingmax Kingmax Kingston N/A N/A Micron N/A N/A PSC N/A Transcend Elixir N/A N/A N/A N/A DIMM Chip NO. Visit the ASUS website at www.asus.com for the latest QVL. Double - DDR2 1066(O.C.) Qualified Vendors List Size Vendor Part No. support A* B* Heat-Sink Package ••...Sink Package •• Heat-Sink Package •• Heat-Sink Package •• SS - Single-sided / DS - ASUS P5G41-M LX 1-7 SS/ DS 1024MB Apacer 1024MB Corsair 4096MB(kit of 2) Corsair 1024MB Crucial 2048MB Crucial 1024MB G.SKILL 2048MB(Kit of 2) ...
...GEIL GEIL GEIL GEIL N/A Kingmax Kingmax Kingston N/A N/A Micron N/A N/A PSC N/A Transcend Elixir N/A N/A N/A N/A DIMM Chip NO. Visit the ASUS website at www.asus.com for the latest QVL. Double - DDR2 1066(O.C.) Qualified Vendors List Size Vendor Part No. support A* B* Heat-Sink Package ••...Sink Package •• Heat-Sink Package •• Heat-Sink Package •• SS - Single-sided / DS - ASUS P5G41-M LX 1-7 SS/ DS 1024MB Apacer 1024MB Corsair 4096MB(kit of 2) Corsair 1024MB Crucial 2048MB Crucial 1024MB G.SKILL 2048MB(Kit of 2) ...
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... failure! • If the steps above do not need to clear the RTC when the system hangs due to clear the CMOS RTC RAM data. ASUS P5G41-M LX 1-9 Shut down the key during the boot process and enter BIOS setup to pins 2-3. Turn OFF the computer and unplug the power cord. 2. Plug the...
... failure! • If the steps above do not need to clear the RTC when the system hangs due to clear the CMOS RTC RAM data. ASUS P5G41-M LX 1-9 Shut down the key during the boot process and enter BIOS setup to pins 2-3. Turn OFF the computer and unplug the power cord. 2. Plug the...
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... refresh, power supply in low power mode) using the connected USB devices. KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. USBPW1-4 12 23 +5V +5VSB (Default) USBPW5-8 12 23 P5G41-M LX +5V +5VSB (Default) P5G41-M LX USB Device Wake Up 1.7 Connectors 1.7.1 Rear panel connectors 1 2 34 10 9 1-10 8 7 6 5 Chapter 1: Product introduction 2. Keyboard power (3-pin...
... refresh, power supply in low power mode) using the connected USB devices. KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. USBPW1-4 12 23 +5V +5VSB (Default) USBPW5-8 12 23 P5G41-M LX +5V +5VSB (Default) P5G41-M LX USB Device Wake Up 1.7 Connectors 1.7.1 Rear panel connectors 1 2 34 10 9 1-10 8 7 6 5 Chapter 1: Product introduction 2. Keyboard power (3-pin...
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... Area Network (LAN) through a network hub. Microphone port (pink). Video Graphics Adapter (VGA) port. USB 2.0 ports 1 and 2. PS/2 keyboard port (purple). LAN (RJ-45) port. ASUS P5G41-M LX 1-11 1. This 15-pin port is for a VGA monitor or other audio sources. 4. This port connects the tape, CD, DVD player, or other VGA-compatible...
... Area Network (LAN) through a network hub. Microphone port (pink). Video Graphics Adapter (VGA) port. USB 2.0 ports 1 and 2. PS/2 keyboard port (purple). LAN (RJ-45) port. ASUS P5G41-M LX 1-11 1. This 15-pin port is for a VGA monitor or other audio sources. 4. This port connects the tape, CD, DVD player, or other VGA-compatible...
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...400 W. • Do not forget to the fan connectors on the fan connectors! These are for details. 2. P5G41-M LX fan connectors 1-12 Chapter 1: Product introduction ATX12V EATXPWR +12V DC +12V DC P5G41-M LX GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND +5 Volts...with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 1 A~2.22 A (26.64 W max.) at http://support.asus. Connect the fan cables to connect the 4-pin ATX12V power plug. Do not place jumper caps on the motherboard, ensuring that you are designed to...
...400 W. • Do not forget to the fan connectors on the fan connectors! These are for details. 2. P5G41-M LX fan connectors 1-12 Chapter 1: Product introduction ATX12V EATXPWR +12V DC +12V DC P5G41-M LX GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND +5 Volts...with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 1 A~2.22 A (26.64 W max.) at http://support.asus. Connect the fan cables to connect the 4-pin ATX12V power plug. Do not place jumper caps on the motherboard, ensuring that you are designed to...
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...RSATA_TXP3 GND SATA1 SATA3 SATA4 GND RSATA_TXP4 RSATA_TXN4 GND RSATA_RXP4 RSATA_RXN4 GND SATA2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXP2 RSATA_RXN2 GND P5G41-M LX SATA connectors ASUS P5G41-M LX 1-13 There are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk drives and optical disk drives.... P5G41-M LX IDE connector If any device jumper is backward compatible with the Serial ATA 1.5Gb/s specification. IDE connector (40-1 pin PRI_IDE)...
...RSATA_TXP3 GND SATA1 SATA3 SATA4 GND RSATA_TXP4 RSATA_TXN4 GND RSATA_RXP4 RSATA_RXN4 GND SATA2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXP2 RSATA_RXN2 GND P5G41-M LX SATA connectors ASUS P5G41-M LX 1-13 There are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk drives and optical disk drives.... P5G41-M LX IDE connector If any device jumper is backward compatible with the Serial ATA 1.5Gb/s specification. IDE connector (40-1 pin PRI_IDE)...
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... 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L P5G41-M LX HD-audio-compliant Legacy AC'97 pin definition compliant definition P5G41-M LX Analog front panel connector • We recommend that you connect a high-definition front panel audio module to ...5V USB_P6USB_P6+ GND NC USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P5USB_P5+ GND USB+5V USB_P7USB_P7+ GND P5G41-M LX USB78 PIN 1 USB56 PIN 1 P5G41-M LX USB2.0 connectors Never connect a 1394 cable to [AC97]. See section 2.4.3 Chipset for details. 1-14 Chapter 1: Product introduction
... 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L P5G41-M LX HD-audio-compliant Legacy AC'97 pin definition compliant definition P5G41-M LX Analog front panel connector • We recommend that you connect a high-definition front panel audio module to ...5V USB_P6USB_P6+ GND NC USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P5USB_P5+ GND USB+5V USB_P7USB_P7+ GND P5G41-M LX USB78 PIN 1 USB56 PIN 1 P5G41-M LX USB2.0 connectors Never connect a 1394 cable to [AC97]. See section 2.4.3 Chipset for details. 1-14 Chapter 1: Product introduction
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... supports several chassis-mounted functions. Speaker connector (4-pin SPEAKER) This 4-pin connector is for the system power LED. PLED PWR BTN F_PANEL PIN 1 P5G41-M LX +HDLED RESET P5G41-M LX System panel connector • System power LED (2-pin PLED) This 2-pin connector is for system reboot without turning off the system power. 8. The...for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The speaker allows you turn on the BIOS settings. SPEAKER P5G41-M LX PIN 1 P5G41-M LX Speaker Out Connector +5V GND GND Speaker Out ASUS P5G41-M LX 1-15
... supports several chassis-mounted functions. Speaker connector (4-pin SPEAKER) This 4-pin connector is for the system power LED. PLED PWR BTN F_PANEL PIN 1 P5G41-M LX +HDLED RESET P5G41-M LX System panel connector • System power LED (2-pin PLED) This 2-pin connector is for system reboot without turning off the system power. 8. The...for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The speaker allows you turn on the BIOS settings. SPEAKER P5G41-M LX PIN 1 P5G41-M LX Speaker Out Connector +5V GND GND Speaker Out ASUS P5G41-M LX 1-15
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... Next. b. From the FTP site, select the BIOS version that you wish to launch the ASUS Update utility. 2. ASUS P5G41-M LX 2-1 Quit all Windows® applications before you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is a utility that comes with the motherboard package. Select Update BIOS from the Internet a. Select...
... Next. b. From the FTP site, select the BIOS version that you wish to launch the ASUS Update utility. 2. ASUS P5G41-M LX 2-1 Quit all Windows® applications before you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is a utility that comes with the motherboard package. Select Update BIOS from the Internet a. Select...
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... switch between drives until the correct BIOS file 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 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: Note [Enter] Select or Load... and press to avail all its features. Always update the utility to enable it. To update the BIOS using an OS‑based utility. The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Locate the BIOS file ...
... switch between drives until the correct BIOS file 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 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: Note [Enter] Select or Load... and press to avail all its features. Always update the utility to enable it. To update the BIOS using an OS‑based utility. The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Locate the BIOS file ...
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...system compatibility and stability. When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. ASUS P5G41-M LX 2-3 Download the latest BIOS file from the ASUS website at startup: • Press during the updating process. For motherboards without the floppy connector, prepare a USB flash... power button to restore the BIOS file when it fails or gets corrupted during the Power-On Self Test (POST). 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to turn on again. You can cause system boot failure! The ...
...system compatibility and stability. When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. ASUS P5G41-M LX 2-3 Download the latest BIOS file from the ASUS website at startup: • Press during the updating process. For motherboards without the floppy connector, prepare a USB flash... power button to restore the BIOS file when it fails or gets corrupted during the Power-On Self Test (POST). 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to turn on again. You can cause system boot failure! The ...