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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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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™2 Duo / Pentium® Dual-Core / Celeron®...174; 45nm 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 Supports RGB with max. Supports Jack-detection and Multi-streaming technologies Supports up...
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™2 Duo / Pentium® Dual-Core / Celeron®...174; 45nm 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 Supports RGB with max. Supports Jack-detection and Multi-streaming technologies Supports up...
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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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... cause severe damage to page ix for buying an ASUS® P5G41-M LX motherboard! Before you start installing the motherboard, and hardware devices on it on them. • Whenever you uninstall any component, place it , check the items in any of the onboard LED. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1
... cause severe damage to page ix for buying an ASUS® P5G41-M LX motherboard! Before you start installing the motherboard, and hardware devices on it on them. • Whenever you uninstall any component, place it , check the items in any of the onboard LED. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1
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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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..., or if you see 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 the cap on the socket and the socket contacts are not bent... cover damage to the PnP cap/socket contacts/motherboard components. 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
..., or if you see 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 the cap on the socket and the socket contacts are not bent... cover damage to the PnP cap/socket contacts/motherboard components. 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
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...; • PSC SS A3R1GE3CFF734MAA0J • • Nanya SS NT5TU64M8AE-3C • • (continued on Windows® XP Professional x64 and Windows® Vista x64 editions. 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...
...; • PSC SS A3R1GE3CFF734MAA0J • • Nanya SS NT5TU64M8AE-3C • • (continued on Windows® XP Professional x64 and Windows® Vista x64 editions. 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 DDR2-667 MHz capability Size Vendor Part No. CL KHX6400D2LL/1G N/A KVR800D2N5/1G N/A KHX6400D2LLK2/1GN N/A KHX6400D2K2/2G N/A KVR800D2N6/512 N/A KVR800D2N5/1G N/A KVR800D2N6/1G N/A KVR800D2N5/2G...
...-Sink Package DS Heat-Sink Package SS HY5PS12821CFP-S5 DS HY5PS12821CFPS5 • • • • • • • • • (continued on the next page) ASUS P5G41-M LX 1-5 DDR2-667 MHz capability Size Vendor Part No. CL KHX6400D2LL/1G N/A KVR800D2N5/1G N/A KHX6400D2LLK2/1GN N/A KHX6400D2K2/2G N/A KVR800D2N6/512 N/A KVR800D2N5/1G N/A KVR800D2N6/1G N/A KVR800D2N5/2G...
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...-Sink Package • Heat-Sink Package •• Heat-Sink Package •• Heat-Sink Package •• SS - Double - ASUS P5G41-M LX 1-7 Single-sided / DS - SS/ DS 1024MB Apacer 1024MB Corsair 4096MB(kit of 2) Corsair 1024MB Crucial 2048MB Crucial 1024MB G.SKILL 2048MB(Kit...kit of 2) Mushkin 996612 DS 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS 4096MB(Kit of dual-channel memory configuration. Visit the ASUS website at www.asus.com for the latest QVL. sided DIMM support: • A*: Supports one module inserted into any slot as Single-channel...
...-Sink Package • Heat-Sink Package •• Heat-Sink Package •• Heat-Sink Package •• SS - Double - ASUS P5G41-M LX 1-7 Single-sided / DS - SS/ DS 1024MB Apacer 1024MB Corsair 4096MB(kit of 2) Corsair 1024MB Crucial 2048MB Crucial 1024MB G.SKILL 2048MB(Kit...kit of 2) Mushkin 996612 DS 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS 4096MB(Kit of dual-channel memory configuration. Visit the ASUS website at www.asus.com for the latest QVL. sided DIMM support: • A*: Supports one module inserted into any slot as Single-channel...
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... resets parameter settings to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down the key during the boot process and enter BIOS setup to pins 2-3. ASUS P5G41-M LX 1-9 For system failure due to default values. Keep the cap on CLRTC jumper default position. The onboard button cell battery powers the RAM data in...
... resets parameter settings to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down the key during the boot process and enter BIOS setup to pins 2-3. ASUS P5G41-M LX 1-9 For system failure due to default values. Keep the cap on CLRTC jumper default position. The onboard button cell battery powers the RAM data in...
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... the connected USB devices. 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 KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. Set to +5VSB to wake up the computer from S3 and...
... the connected USB devices. 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 KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. Set to +5VSB to wake up the computer from S3 and...
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... ACT/LINK SPEED LED LED LAN port 3. This port connects a microphone. Line In port (light blue). Refer to a Local Area Network (LAN) through a network hub. ASUS P5G41-M LX 1-11 PS/2 mouse port (green). These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 7. This port is for the function...
... ACT/LINK SPEED LED LED LAN port 3. This port connects a microphone. Line In port (light blue). Refer to a Local Area Network (LAN) through a network hub. ASUS P5G41-M LX 1-11 PS/2 mouse port (green). These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 7. This port is for the function...
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...) and provides a minimum power of 400 W. • Do not forget to the fan connectors. The system may become unstable or may damage the motherboard components. P5G41-M LX CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM CHA_FAN GND +12V Rotation Only the 4-pin CPU fan supports the... ASUS Q-Fan feature. The power supply plugs are for details. 2. 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 GND...
...) and provides a minimum power of 400 W. • Do not forget to the fan connectors. The system may become unstable or may damage the motherboard components. P5G41-M LX CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM CHA_FAN GND +12V Rotation Only the 4-pin CPU fan supports the... ASUS Q-Fan feature. The power supply plugs are for details. 2. 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 GND...
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... NOTE:Orient the red markings on each Ultra DMA 100/66 signal cable: blue, black, and gray. P5G41-M LX IDE connector If any device jumper is backward compatible with the Serial ATA 1.5Gb/s specification. The Serial ATA 3Gb/s is set as "...RSATA_RXP3 GND RSATA_TXN3 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 Ultra DMA 100/66 IDE devices. This prevents incorrect insertion when you...
... NOTE:Orient the red markings on each Ultra DMA 100/66 signal cable: blue, black, and gray. P5G41-M LX IDE connector If any device jumper is backward compatible with the Serial ATA 1.5Gb/s specification. The Serial ATA 3Gb/s is set as "...RSATA_RXP3 GND RSATA_TXN3 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 Ultra DMA 100/66 IDE devices. This prevents incorrect insertion when you...
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...ports. USB+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 480Mbps connection speed. Doing so will damage the motherboard! See section 2.4.3... 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 supports up to the USB connectors. 5. Connect one ...
...ports. USB+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 480Mbps connection speed. Doing so will damage the motherboard! See section 2.4.3... 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 supports up to the USB connectors. 5. Connect one ...
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...button/soft-off the system power. 8. Connect the chassis power LED cable to this connector. SPEAKER P5G41-M LX PIN 1 P5G41-M LX Speaker Out Connector +5V GND GND Speaker Out ASUS P5G41-M LX 1-15 PLED+ PLEDPWR GND HD_LED+ HD_LED- System panel connector (10-1 pin F_PANEL) This connector ...supports several chassis-mounted functions. PLED PWR BTN F_PANEL PIN 1 P5G41-M LX +HDLED RESET P5G41-M LX System panel connector • System power...
...button/soft-off the system power. 8. Connect the chassis power LED cable to this connector. SPEAKER P5G41-M LX PIN 1 P5G41-M LX Speaker Out Connector +5V GND GND Speaker Out ASUS P5G41-M LX 1-15 PLED+ PLEDPWR GND HD_LED+ HD_LED- System panel connector (10-1 pin F_PANEL) This connector ...supports several chassis-mounted functions. PLED PWR BTN F_PANEL PIN 1 P5G41-M LX +HDLED RESET P5G41-M LX System panel connector • System power...
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...complete the installation. b. Quit all Windows® applications before you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in the optical drive. ASUS P5G41-M LX 2-1 From the dropdown list, select any of the original motherboard BIOS file to a USB ...flash disk in case you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection...
...complete the installation. b. Quit all Windows® applications before you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in the optical drive. ASUS P5G41-M LX 2-1 From the dropdown list, select any of the original motherboard BIOS file to a USB ...flash disk in case you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection...
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b. Before you to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you start using EZ Flash 2: 1. 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: ... Internet. Updating from the Open window, then click Open. 3. Locate the BIOS file from a BIOS file a. Select Update BIOS from the ASUS website at www.asus.com. To update the BIOS using this utility, download the latest BIOS file from a file, then click Next. The...
b. Before you to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you start using EZ Flash 2: 1. 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: ... Internet. Updating from the Open window, then click Open. 3. Locate the BIOS file from a BIOS file a. Select Update BIOS from the ASUS website at www.asus.com. To update the BIOS using this utility, download the latest BIOS file from a file, then click Next. The...
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... off then back on. Doing so can restore a corrupted BIOS file using the first two options. ASUS P5G41-M LX 2-3 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that ASUS CrashFree BIOS support vary with its parameters. Turn on again. The BIOS screens include navigation keys and ... Exit menu for the BIOS file. You can cause system boot failure! Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com. • The removable devices that allows you in the support DVD may not be the latest version. The utility automatically checks...
... off then back on. Doing so can restore a corrupted BIOS file using the first two options. ASUS P5G41-M LX 2-3 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that ASUS CrashFree BIOS support vary with its parameters. Turn on again. The BIOS screens include navigation keys and ... Exit menu for the BIOS file. You can cause system boot failure! Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com. • The removable devices that allows you in the support DVD may not be the latest version. The utility automatically checks...