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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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... Jack-detection and Multi-streaming technologies Supports up 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 P5G41-M LX specifications summary CPU Chipset Front Side Bus Memory Graphics Expansion slots Storage LAN Audio USB...
... Jack-detection and Multi-streaming technologies Supports up 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 P5G41-M LX specifications summary CPU Chipset Front Side Bus Memory Graphics Expansion slots Storage LAN Audio USB...
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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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... them. • Whenever you uninstall any component, ensure that the ATX power supply is switched off mode. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 This is ON, in sleep mode, or in soft-off or the power cord is damaged or missing,...supply case, to avoid damaging them due to static electricity. • Hold components by the edges to page ix for buying an ASUS® P5G41-M LX motherboard! Chapter 1 Product introduction Thank you for the list of accessories. Failure to do so may cause severe damage to indicate ...
... them. • Whenever you uninstall any component, ensure that the ATX power supply is switched off mode. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 This is ON, in sleep mode, or in soft-off or the power cord is damaged or missing,...supply case, to avoid damaging them due to static electricity. • Hold components by the edges to page ix for buying an ASUS® P5G41-M LX motherboard! Chapter 1 Product introduction Thank you for the list of accessories. Failure to do so may cause severe damage to indicate ...
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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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... resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal 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 Contact your retailer immediately if the PnP cap is on the LGA775 socket. • The product warranty does not cover damage...
... resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal 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 Contact your retailer immediately if the PnP cap is on the LGA775 socket. • The product warranty does not cover damage...
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... for the OS can be about 3GB or less. For effective use of memory, we recommend that you are using a 32-bit Windows® OS. - 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...
... for the OS can be about 3GB or less. For effective use of memory, we recommend that you are using a 32-bit Windows® OS. - 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
...-Sink Package DS Heat-Sink Package SS HY5PS12821CFP-S5 DS HY5PS12821CFPS5 • • • • • • • • • (continued on the next page) ASUS P5G41-M LX 1-5
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... N/A Corsair N/A N/A Micron N/A N/A N/A GEIL GEIL 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. Single-sided / DS - Visit the ASUS website at www.asus.com for the latest QVL. SS/ DS 1024MB Apacer 1024MB Corsair 4096MB(kit of 2) Corsair 1024MB Crucial 2048MB Crucial 1024MB G.SKILL 2048MB(Kit of... 2048MB(Kit of 2) Mushkin 996684 SS 2048MB(kit of 2) Mushkin 996612 DS 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS 4096MB(Kit of dual-channel memory configuration. ASUS P5G41-M LX 1-7
... N/A Corsair N/A N/A Micron N/A N/A N/A GEIL GEIL 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. Single-sided / DS - Visit the ASUS website at www.asus.com for the latest QVL. SS/ DS 1024MB Apacer 1024MB Corsair 4096MB(kit of 2) Corsair 1024MB Crucial 2048MB Crucial 1024MB G.SKILL 2048MB(Kit of... 2048MB(Kit of 2) Mushkin 996684 SS 2048MB(kit of 2) Mushkin 996612 DS 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS 4096MB(Kit of dual-channel memory configuration. ASUS P5G41-M LX 1-7
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...) RAM in CMOS, which include system setup information such as system passwords. Keep the cap on CLRTC jumper default position. To erase the RTC RAM: 1. ASUS P5G41-M LX 1-9 Clear RTC RAM (3-pin CLRTC) This jumper allows you to pins 2-3. For system failure due to clear the CMOS RTC RAM data. 1.6 Jumpers 1. After clearing...
...) RAM in CMOS, which include system setup information such as system passwords. Keep the cap on CLRTC jumper default position. To erase the RTC RAM: 1. ASUS P5G41-M LX 1-9 Clear RTC RAM (3-pin CLRTC) This jumper allows you to pins 2-3. For system failure due to clear the CMOS RTC RAM data. 1.6 Jumpers 1. After clearing...
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... jumper allows you can supply at least 1A on the keyboard (the default is the Space Bar)s. KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. When you set this jumper to pins 2-3 (+5VSB), you to enable or disable the keyboard wake-up the computer by ... to CPU, DRAM in slow refresh, power supply in reduced power mode). 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.
... jumper allows you can supply at least 1A on the keyboard (the default is the Space Bar)s. KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. When you set this jumper to pins 2-3 (+5VSB), you to enable or disable the keyboard wake-up the computer by ... to CPU, DRAM in slow refresh, power supply in reduced power mode). 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.
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... Bus (USB) ports are available for the LAN port LED indications. This port is for pointing devices or other audio sources. 4. PS/2 keyboard port (purple). ASUS P5G41-M LX 1-11 In 4-channel and 6-channel configurations, the function of the audio ports in 2, 4, or 6-channel configuration. USB 2.0 ports 3 and 4. PS/2 mouse port (green). This port...
... Bus (USB) ports are available for the LAN port LED indications. This port is for pointing devices or other audio sources. 4. PS/2 keyboard port (purple). ASUS P5G41-M LX 1-11 In 4-channel and 6-channel configurations, the function of the audio ports in 2, 4, or 6-channel configuration. USB 2.0 ports 3 and 4. PS/2 mouse port (green). This port...
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... jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of 1 A~2.22 A (26.64 W max.) at http://support.asus. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are uncertain about the minimum power supply requirement for your system, refer to install additional... power-consuming devices or when you are for details. 2. Do not forget to connect the fan cables to the fan connectors on the fan connectors! 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...
... jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of 1 A~2.22 A (26.64 W max.) at http://support.asus. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are uncertain about the minimum power supply requirement for your system, refer to install additional... power-consuming devices or when you are for details. 2. Do not forget to connect the fan cables to the fan connectors on the fan connectors! 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...
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...-Select or Master Cable-Select Master Slave Mode of the Serial ATA 3Gb/s is faster than the standard parallel ATA (133 MB/s). P5G41-M LX IDE connector If any device jumper is removed to match the covered hole on the IDE connector is set as "Cable-Select," ensure...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 the Ultra DMA 100/66 signal cable. PRI_IDE P5G41-M LX PIN1 NOTE:Orient the red markings on each Ultra DMA 100/66 signal...
...-Select or Master Cable-Select Master Slave Mode of the Serial ATA 3Gb/s is faster than the standard parallel ATA (133 MB/s). P5G41-M LX IDE connector If any device jumper is removed to match the covered hole on the IDE connector is set as "Cable-Select," ensure...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 the Ultra DMA 100/66 signal cable. PRI_IDE P5G41-M LX PIN1 NOTE:Orient the red markings on each Ultra DMA 100/66 signal...
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...audio standard. 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 [AC97]. Front panel audio connector (10-1 pin AAFP) This connector is ... 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 ...
...audio standard. 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 [AC97]. Front panel audio connector (10-1 pin AAFP) This connector is ... 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 ...
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... (2-pin PLED) This 2-pin connector is for the chassis-mounted reset button for the chassis-mounted system warning speaker. SPEAKER P5G41-M LX PIN 1 P5G41-M LX Speaker Out Connector +5V GND GND Speaker Out ASUS P5G41-M LX 1-15 Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • Reset...
... (2-pin PLED) This 2-pin connector is for the chassis-mounted reset button for the chassis-mounted system warning speaker. SPEAKER P5G41-M LX PIN 1 P5G41-M LX Speaker Out Connector +5V GND GND Speaker Out ASUS P5G41-M LX 1-15 Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • Reset...
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...: 1. Click the Utilities tab, then click ASUS Update. 3. ASUS P5G41-M LX 2-1 Follow the onscreen instructions to launch the ASUS Update utility. 2. From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to complete the installation. From the dropdown list, select any of the original ... BIOS in the optical drive. c. Updating the BIOS To update the BIOS: 1. The Drivers menu appears. 2. Select the ASUS FTP site nearest you wish to avoid network traffic, or click Auto Select then click Next. Select Update BIOS from the Internet...
...: 1. Click the Utilities tab, then click ASUS Update. 3. ASUS P5G41-M LX 2-1 Follow the onscreen instructions to launch the ASUS Update utility. 2. From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to complete the installation. From the dropdown list, select any of the original ... BIOS in the optical drive. c. Updating the BIOS To update the BIOS: 1. The Drivers menu appears. 2. Select the ASUS FTP site nearest you wish to avoid network traffic, or click Auto Select then click Next. Select Update BIOS from the Internet...
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... reset the system while updating the BIOS to enable it. 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 ... file to update the BIOS without using EZ Flash 2: 1. Press to avail all its features. b. Updating from a file, then click Next. The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Select Update BIOS from a BIOS file...
... reset the system while updating the BIOS to enable it. 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 ... file to update the BIOS without using EZ Flash 2: 1. Press to avail all its features. b. Updating from a file, then click Next. The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Select Update BIOS from a BIOS file...
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... setup program Use the BIOS Setup program to turn on again. Download the latest BIOS file from the ASUS website at startup: • Press during the updating process. ASUS P5G41-M LX 2-3 Do this utility. Doing so can restore a corrupted BIOS file using this option only if you failed...first two options. Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com. • The removable devices that ASUS CrashFree BIOS support vary with its parameters. 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to section 2.8 Exit...
... setup program Use the BIOS Setup program to turn on again. Download the latest BIOS file from the ASUS website at startup: • Press during the updating process. ASUS P5G41-M LX 2-3 Do this utility. Doing so can restore a corrupted BIOS file using this option only if you failed...first two options. Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com. • The removable devices that ASUS CrashFree BIOS support vary with its parameters. 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to section 2.8 Exit...