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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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...® 32-bit operating system may only recognize less than 3GB. Supports Jack-detection and Multi-streaming technologies Supports up to www.asus.com for Intel® CPU support list. Supports RGB with max. Intel® Graphics Media Accelerator (Intel® GMA X4500)...x Serial ATA 3Gb/s ports RTL8103EL PCIe 10/100Mbps ALC662-VC1 High Definition Audio 6-channel CODEC - 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...
...® 32-bit operating system may only recognize less than 3GB. Supports Jack-detection and Multi-streaming technologies Supports up to www.asus.com for Intel® CPU support list. Supports RGB with max. Intel® Graphics Media Accelerator (Intel® GMA X4500)...x Serial ATA 3Gb/s ports RTL8103EL PCIe 10/100Mbps ALC662-VC1 High Definition Audio 6-channel CODEC - 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...
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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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... or change any motherboard settings. • Unplug the power cord from the power supply. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 The illustration below shows the location of the onboard LED. Failure to do so may cause... severe damage to page ix for buying an ASUS® P5G41-M LX motherboard! Refer to the motherboard, peripherals, or components....
... or change any motherboard settings. • Unplug the power cord from the power supply. SB_PWR P5G41-M LX ON OFF Standby Power Powered Off P5G41-M LX Onboard LED ASUS P5G41-M LX 1-1 The illustration below shows the location of the onboard LED. Failure to do so may cause... severe damage to page ix for buying an ASUS® P5G41-M LX motherboard! Refer to the motherboard, peripherals, or components....
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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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... of the motherboard, ensure that the PnP cap 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 a surface mount LGA775 socket designed for the Intel... the socket and the socket contacts are not bent. ASUS will shoulder the cost 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 The motherboard supports Intel® LGA775 processors with the...
... of the motherboard, ensure that the PnP cap 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 a surface mount LGA775 socket designed for the Intel... the socket and the socket contacts are not bent. ASUS will shoulder the cost 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 The motherboard supports Intel® LGA775 processors with the...
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...; OS. - The system maps the total size of the lower-sized channel for single-channel operation. • Always install DIMMs with the same CAS latency. 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...
...; OS. - The system maps the total size of the lower-sized channel for single-channel operation. • Always install DIMMs with the same CAS latency. 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.
...-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.
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Single-sided / DS - Visit the ASUS website at www.asus.com for the latest QVL. Double - support A* B* Heat-Sink Package •• Heat-Sink Package •• Heat-Sink Package •• Heat-Sink Package ... pair of 2) PATRIOT PDC24G8500ELKR2 DS Chip Brand 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. ASUS P5G41-M LX 1-7 DDR2 1066(O.C.) Qualified Vendors List Size Vendor Part No.
Single-sided / DS - Visit the ASUS website at www.asus.com for the latest QVL. Double - support A* B* Heat-Sink Package •• Heat-Sink Package •• Heat-Sink Package •• Heat-Sink Package ... pair of 2) PATRIOT PDC24G8500ELKR2 DS Chip Brand 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. ASUS P5G41-M LX 1-7 DDR2 1066(O.C.) Qualified Vendors List Size Vendor Part No.
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... not help, remove the onboard battery and move the cap back to overclocking, use the CPU Parameter Recall (C.P.R.) feature. For system failure due to pins 1-2. 3. ASUS P5G41-M LX 1-9 To erase the RTC RAM: 1. Keep the cap on CLRTC jumper default position. Removing the cap will cause system boot failure! • If the steps...
... not help, remove the onboard battery and move the cap back to overclocking, use the CPU Parameter Recall (C.P.R.) feature. For system failure due to pins 1-2. 3. ASUS P5G41-M LX 1-9 To erase the RTC RAM: 1. Keep the cap on CLRTC jumper default position. Removing the cap will cause system boot failure! • If the steps...
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... (CPU stopped, DRAM refreshed, system running in low power mode) using 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 When you set this jumper to pins 2-3 (+5VSB... 3-pin USBPW5-8) Set these jumpers to +5V to CPU, DRAM in slow refresh, power supply in the BIOS. KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. USB device wake-up feature. 2.
... (CPU stopped, DRAM refreshed, system running in low power mode) using 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 When you set this jumper to pins 2-3 (+5VSB... 3-pin USBPW5-8) Set these jumpers to +5V to CPU, DRAM in slow refresh, power supply in the BIOS. KBPWR 12 23 +5V +5VSB (Default) P5G41-M LX P5G41-M LX Keyboard Power Setting 3. USB device wake-up feature. 2.
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... connects a microphone. This port connects a headphone or a speaker. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 7. USB 2.0 ports 3 and 4. ASUS P5G41-M LX 1-11 PS/2 mouse port (green). Microphone port (pink).
... connects a microphone. This port connects a headphone or a speaker. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 7. USB 2.0 ports 3 and 4. ASUS P5G41-M LX 1-11 PS/2 mouse port (green). Microphone port (pink).
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...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. P5G41-M LX fan connectors 1-12 Chapter 1: Product introduction CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN) The fan connectors...minimum power of 1 A~2.22 A (26.64 W max.) at http://support.asus. The power supply plugs are uncertain about the minimum power supply requirement for details. 2. 1.7.2 Internal connectors 1. ATX12V EATXPWR +12V DC +12V DC P5G41-M LX GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN ...
...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. P5G41-M LX fan connectors 1-12 Chapter 1: Product introduction CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN) The fan connectors...minimum power of 1 A~2.22 A (26.64 W max.) at http://support.asus. The power supply plugs are uncertain about the minimum power supply requirement for details. 2. 1.7.2 Internal connectors 1. ATX12V EATXPWR +12V DC +12V DC P5G41-M LX GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN ...
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... Use the 80-conductor IDE cable for the Ultra DMA 100/66 signal cable. PRI_IDE P5G41-M LX PIN1 NOTE:Orient the red markings on the Ultra DMA cable connector. P5G41-M LX IDE connector If any device jumper is removed to match the covered hole on the 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 Single device Two devices Drive jumper setting Cable-Select or Master Cable-Select Master Slave Mode of the Serial...
... Use the 80-conductor IDE cable for the Ultra DMA 100/66 signal cable. PRI_IDE P5G41-M LX PIN1 NOTE:Orient the red markings on the Ultra DMA cable connector. P5G41-M LX IDE connector If any device jumper is removed to match the covered hole on the 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 Single device Two devices Drive jumper setting Cable-Select or Master Cable-Select Master Slave Mode of the Serial...
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... 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 480Mbps connection speed. Front panel audio connector (10-1 pin AAFP) This ...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. USB connectors (10-1 ...
... 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 480Mbps connection speed. Front panel audio connector (10-1 pin AAFP) This ...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. USB connectors (10-1 ...
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...• ATX power button/soft-off the system power. 8. The speaker allows you turn on the BIOS settings. 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 button (2-pin PWRBTN) This ... chassis-mounted reset button for the chassis-mounted system warning speaker. Ground Reset 7. Connect the HDD Activity 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
...• ATX power button/soft-off the system power. 8. The speaker allows you turn on the BIOS settings. 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 button (2-pin PWRBTN) This ... chassis-mounted reset button for the chassis-mounted system warning speaker. Ground Reset 7. Connect the HDD Activity 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
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...ASUS P5G41-M LX 2-1 From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to complete the installation. Select the ASUS FTP site nearest you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in the future. c. Installing ASUS Update To install ASUS...® applications before you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP). • This utility is...
...ASUS P5G41-M LX 2-1 From the Windows® desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate to complete the installation. Select the ASUS FTP site nearest you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in the future. c. Installing ASUS Update To install ASUS...® applications before you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP). • This utility is...
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The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Before you to update the BIOS without 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... itself through the Internet. Insert the USB flash disk that contains the latest BIOS file 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 file from a BIOS file a. Updating from the...
The ASUS Update utility is capable of these two ways: • Press + during POST. • Enter the BIOS setup program. Before you to update the BIOS without 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... itself through the Internet. Insert the USB flash disk that contains the latest BIOS file 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 file from a BIOS file a. Updating from the...
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...or a removable device that contains the updated BIOS file. • The BIOS file in using the first two options. 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to ensure system compatibility and stability. Recovering the BIOS To recover the... in the support DVD may not be the latest version. Do this utility. ASUS P5G41-M LX 2-3 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. For motherboards without the floppy connector, ...
...or a removable device that contains the updated BIOS file. • The BIOS file in using the first two options. 2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to ensure system compatibility and stability. Recovering the BIOS To recover the... in the support DVD may not be the latest version. Do this utility. ASUS P5G41-M LX 2-3 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. For motherboards without the floppy connector, ...