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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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... 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 ASUS special features LGA775 socket for Intel® Core™2 Quad...
... 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 ASUS special features LGA775 socket for Intel® Core™2 Quad...
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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...
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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... motherboard package. Failure to do so may cause severe damage to page ix for buying an ASUS® P5G41-M LX motherboard! The illustration below shows the location of accessories. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 Before you start installing the motherboard, and hardware devices on it on a grounded antistatic pad...
... motherboard package. Failure to do so may cause severe damage to page ix for buying an ASUS® P5G41-M LX motherboard! The illustration below shows the location of accessories. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 Before you start installing the motherboard, and hardware devices on it on a grounded antistatic pad...
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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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...) and Hyper-Threading Technology. 1.4 System memory 1.4.1 Overview The motherboard comes with the cap on the socket and the socket contacts are not bent. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets... contacts 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
...) and Hyper-Threading Technology. 1.4 System memory 1.4.1 Overview The motherboard comes with the cap on the socket and the socket contacts are not bent. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets... contacts 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
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... of 4GB DIMMs on each slot. Use a maximum of 256 megabits (Mb) chips or less. You may install varying memory sizes in Channel A and Channel B. 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...
... of 4GB DIMMs on each slot. Use a maximum of 256 megabits (Mb) chips or less. You may install varying memory sizes in Channel A and Channel B. 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. NT5TU64M8BE-3C72155700CP Heat-Sink Package Heat-Sink Package Heat-Sink Package D2 64M8CCF 0815 C7173S Heat-Sink...
...-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. NT5TU64M8BE-3C72155700CP Heat-Sink Package Heat-Sink Package Heat-Sink Package D2 64M8CCF 0815 C7173S Heat-Sink...
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... 2) Mushkin 996612 DS 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS 4096MB(Kit of dual-channel memory configuration. ASUS P5G41-M LX 1-7 DDR2 1066(O.C.) Qualified Vendors List Size Vendor Part No. Single-sided / DS - Double - Visit the ASUS website at www.asus.com for the latest QVL. support A* B* Heat-Sink Package •• Heat-Sink Package ••...
... 2) Mushkin 996612 DS 2048MB(Kit of 2) PATRIOT PDC22G8500ELK DS 4096MB(Kit of dual-channel memory configuration. ASUS P5G41-M LX 1-7 DDR2 1066(O.C.) Qualified Vendors List Size Vendor Part No. Single-sided / DS - Double - Visit the ASUS website at www.asus.com for the latest QVL. support A* B* Heat-Sink Package •• Heat-Sink Package ••...
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... the BIOS automatically resets parameter settings to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. ASUS P5G41-M LX 1-9 You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. Removing the cap will cause...
... the BIOS automatically resets parameter settings to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. ASUS P5G41-M LX 1-9 You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. Removing the cap will cause...
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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 enable or disable the keyboard wake-up...
... 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 enable or disable the keyboard wake-up...
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... the tape, CD, DVD player, or other audio sources. 4. Refer to the audio configuration table below for connecting USB 2.0 devices. 8. Video Graphics Adapter (VGA) port. ASUS P5G41-M LX 1-11 PS/2 mouse port (green). This port connects a microphone. COM port. LAN (RJ-45) port. This port is for the function of this port becomes...
... the tape, CD, DVD player, or other audio sources. 4. Refer to the audio configuration table below for connecting USB 2.0 devices. 8. Video Graphics Adapter (VGA) port. ASUS P5G41-M LX 1-11 PS/2 mouse port (green). This port connects a microphone. COM port. LAN (RJ-45) port. This port is for the function of this port becomes...
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...air flow inside the system may not boot up if the power is inadequate. • If you are designed to the fan connectors. P5G41-M LX fan connectors 1-12 Chapter 1: Product introduction The system may become unstable or may damage the motherboard components. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en... 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. Do not forget to connect the fan cables to fit these connectors in only one orientation. Otherwise, the system will not boot. • ...
...air flow inside the system may not boot up if the power is inadequate. • If you are designed to the fan connectors. P5G41-M LX fan connectors 1-12 Chapter 1: Product introduction The system may become unstable or may damage the motherboard components. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en... 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. Do not forget to connect the fan cables to fit these connectors in only one orientation. Otherwise, the system will not boot. • ...
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... 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 PRI_IDE P5G41-M LX PIN1 NOTE:Orient the red markings on each Ultra DMA 100/66 signal cable: blue, black, and gray. There are for the Serial...
... 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 PRI_IDE P5G41-M LX PIN1 NOTE:Orient the red markings on each Ultra DMA 100/66 signal cable: blue, black, and gray. There are for the Serial...
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.... 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. If you want to connect an AC'97 front...PIN 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 supports up to the USB connectors. Front panel audio connector ...
.... 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. If you want to connect an AC'97 front...PIN 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 supports up to the USB connectors. Front panel audio connector ...
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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 the chassis-mounted system warning speaker. Pressing the power button turns ... is for system reboot without turning off button (2-pin PWRBTN) This connector is read from or written 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 Connect the chassis power LED cable to the HDD. • ATX power button/soft-off the system power. 8. The...
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 the chassis-mounted system warning speaker. Pressing the power button turns ... is for system reboot without turning off button (2-pin PWRBTN) This connector is read from or written 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 Connect the chassis power LED cable to the HDD. • ATX power button/soft-off the system power. 8. The...
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From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to download then click Next. ASUS P5G41-M LX 2-1 b. From the FTP site, select the BIOS version that you wish to launch the ASUS Update utility. 2. The Drivers menu appears. 2. Updating the BIOS To update the BIOS: 1. Copy the original motherboard BIOS using this utility. Click...
From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to download then click Next. ASUS P5G41-M LX 2-1 b. From the FTP site, select the BIOS version that you wish to launch the ASUS Update utility. 2. The Drivers menu appears. 2. Updating the BIOS To update the BIOS: 1. Copy the original motherboard BIOS using this utility. Click...
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...avail all its features. Always update the utility to enable it. Updating from the ASUS website at www.asus.com. Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you start using this utility, download the latest BIOS ... + during POST. • Enter the BIOS setup program. 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...
...avail all its features. Always update the utility to enable it. Updating from the ASUS website at www.asus.com. Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you start using this utility, download the latest BIOS ... + during POST. • Enter the BIOS setup program. 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...
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... not press , POST continues with motherboard models. Turn off then back on. Do this utility. Download the latest BIOS file from the ASUS website at startup: • Press during the updating process. Doing so can restore a corrupted BIOS file using the motherboard support DVD or...failed to enter BIOS Setup using the BIOS Setup program. ASUS P5G41-M LX 2-3 You can cause system boot failure! 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. Refer to section...
... not press , POST continues with motherboard models. Turn off then back on. Do this utility. Download the latest BIOS file from the ASUS website at startup: • Press during the updating process. Doing so can restore a corrupted BIOS file using the motherboard support DVD or...failed to enter BIOS Setup using the BIOS Setup program. ASUS P5G41-M LX 2-3 You can cause system boot failure! 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. Refer to section...