Motherboard DIY Troubleshooting Guide
Page 2
All Rights Reserved. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED... FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. Product warranty or service will not be...
All Rights Reserved. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED... FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. Product warranty or service will not be...
Motherboard DIY Troubleshooting Guide
Page 3
Features Contents Notices v Safety information vi ASUS contact information viii A7N8X-X specifications summary ix Chapter 1: Motherboard Info 1.1 Welcome 1-2 1.2 Package contents 1-2 1.3 Motherboard components 1-3 1.4 Motherboard layout 1-6 1.5 Before you proceed 1-7 1.6 Central Processing Unit (CPU 1-7 1.7 System memory 1-8 1.7.1 Installing a DIMM 1-8 1.8 Expansion slots 1-8 1.8.1 ...
Features Contents Notices v Safety information vi ASUS contact information viii A7N8X-X specifications summary ix Chapter 1: Motherboard Info 1.1 Welcome 1-2 1.2 Package contents 1-2 1.3 Motherboard components 1-3 1.4 Motherboard layout 1-6 1.5 Before you proceed 1-7 1.6 Central Processing Unit (CPU 1-7 1.7 System memory 1-8 1.7.1 Installing a DIMM 1-8 1.8 Expansion slots 1-8 1.8.1 ...
Motherboard DIY Troubleshooting Guide
Page 9
A7N8X-X specifications summary CPU Chipset Front Side Bus (FSB) Memory Expansion ... x 184-pin DDR DIMM Sockets Max. 3 GB unbuffered PC3200/2700/2100/1600 non-ECC DDR RAM memory. (Visit ASUS website for latest qualified DDR400 module list.) 5 x PCI 1 x AGP 8X (1.5V only) 2 x UltraDMA 133/...100/66/33 Realtek ALC650 6CH with built-in HP amplifier 1 Port MCP integrated NVIDIA MAC + Realtek 8201BL PHY ASUS Q-Fan Technology ASUS C.O.P. (CPU Overheating Protection) Power Loss Restart CPU Throttle Support S/PDIF in/out (optional) 1 x Parallel 1 x Serial 1 x PS/2 Keyboard 1 ...
A7N8X-X specifications summary CPU Chipset Front Side Bus (FSB) Memory Expansion ... x 184-pin DDR DIMM Sockets Max. 3 GB unbuffered PC3200/2700/2100/1600 non-ECC DDR RAM memory. (Visit ASUS website for latest qualified DDR400 module list.) 5 x PCI 1 x AGP 8X (1.5V only) 2 x UltraDMA 133/...100/66/33 Realtek ALC650 6CH with built-in HP amplifier 1 Port MCP integrated NVIDIA MAC + Realtek 8201BL PHY ASUS Q-Fan Technology ASUS C.O.P. (CPU Overheating Protection) Power Loss Restart CPU Throttle Support S/PDIF in/out (optional) 1 x Parallel 1 x Serial 1 x PS/2 Keyboard 1 ...
Motherboard DIY Troubleshooting Guide
Page 10
A7N8X-X specifications summary BIOS features 2Mb Flash ROM, Award BIOS, TCAV, PnP, DMI2.0, DMI, Green Industry standard PCI 2.2, USB 1.1/2.0. Manageability DMI 2.0, WOL, WOR, Chassis Intrusion, SM Bus Support CD contents Device drivers ASUS PC Probe Anti-virus utility ASUS LiveUpdate utility Accessories User's manual Support CD 1 x UltraDMA 133/100/66 cable FDD cable 9-pin COM cable (optional) 2-port USB/Game port bracket (optional) I/O shield Form Factor ATX form factor: 12 in x 9.6 in * Specifications are subject to change without notice. x
A7N8X-X specifications summary BIOS features 2Mb Flash ROM, Award BIOS, TCAV, PnP, DMI2.0, DMI, Green Industry standard PCI 2.2, USB 1.1/2.0. Manageability DMI 2.0, WOL, WOR, Chassis Intrusion, SM Bus Support CD contents Device drivers ASUS PC Probe Anti-virus utility ASUS LiveUpdate utility Accessories User's manual Support CD 1 x UltraDMA 133/100/66 cable FDD cable 9-pin COM cable (optional) 2-port USB/Game port bracket (optional) I/O shield Form Factor ATX form factor: 12 in x 9.6 in * Specifications are subject to change without notice. x
Motherboard DIY Troubleshooting Guide
Page 22
... two ribbon cables - IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1) This connector supports the provided UltraDMA/133/100/66 IDE hard disk ribbon cable. BIOS supports specific device bootup. 1.10 Connectors This section describes and illustrates the connectors on the UltraDMA cable connector. Pin 20 on the IDE ribbon cable to the...
... two ribbon cables - IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1) This connector supports the provided UltraDMA/133/100/66 IDE hard disk ribbon cable. BIOS supports specific device bootup. 1.10 Connectors This section describes and illustrates the connectors on the UltraDMA cable connector. Pin 20 on the IDE ribbon cable to the...
Motherboard DIY Troubleshooting Guide
Page 38
... 2-8 Chapter 2: BIOS Setup The General Help screen lists the legend keys and their corresponding functions. Sub-menu Note that will not fit in the Item Specific Help window located to scroll through the entire help window, press or . Scroll bar When a scroll bar appears to be displayed that a right pointer ...appears to navigate and enter values within a menu. You may launch this field. Press to display the first page, press to go to the Item Specific Help window, the BIOS setup program also provides a General Help screen. General help In addition to the last page.
... 2-8 Chapter 2: BIOS Setup The General Help screen lists the legend keys and their corresponding functions. Sub-menu Note that will not fit in the Item Specific Help window located to scroll through the entire help window, press or . Scroll bar When a scroll bar appears to be displayed that a right pointer ...appears to navigate and enter values within a menu. You may launch this field. Press to display the first page, press to go to the Item Specific Help window, the BIOS setup program also provides a General Help screen. General help In addition to the last page.
Motherboard DIY Troubleshooting Guide
Page 47
... options: [Auto] [Menu] CPU Vcore [1.850V] When the CPU VCore Setting parameter is set for maximum performance without stressing the CPU. Configuration options: [Enabled] [Disabled] ASUS A7N8X-X Motherboard 2-17 The default value is [Auto], therefore, the CPU vcore voltage is automatically scaled or set to [Manual], this field permits selection of... read command and the moment that the data actually becomes available. SDRAM RAS Precharge Delay [1] Row-precharge delay. The default, [Auto], permits automatic selection of specific CPU core voltages.
... options: [Auto] [Menu] CPU Vcore [1.850V] When the CPU VCore Setting parameter is set for maximum performance without stressing the CPU. Configuration options: [Enabled] [Disabled] ASUS A7N8X-X Motherboard 2-17 The default value is [Auto], therefore, the CPU vcore voltage is automatically scaled or set to [Manual], this field permits selection of... read command and the moment that the data actually becomes available. SDRAM RAS Precharge Delay [1] Row-precharge delay. The default, [Auto], permits automatic selection of specific CPU core voltages.
Motherboard DIY Troubleshooting Guide
Page 52
... automatic (ESCD) system or manual assignment of IRQ channels. Configuration options: [Disabled] [Enabled] Power On By PS/2 Keyboard [Disabled] This parameter allows you to use specific keys on the keyboard to turn on the system. PCI/VGA Palette Snoop [Disabled] This field enables the PCI/VGA palette snoop. This feature requires...
... automatic (ESCD) system or manual assignment of IRQ channels. Configuration options: [Disabled] [Enabled] Power On By PS/2 Keyboard [Disabled] This parameter allows you to use specific keys on the keyboard to turn on the system. PCI/VGA Palette Snoop [Disabled] This field enables the PCI/VGA palette snoop. This feature requires...
Motherboard DIY Troubleshooting Guide
Page 55
...fan speeds in the Fan Speed Ratio field. The default [10/15] is not connected to the fan connectors on the motherboard, the specific field will show N/A. If any of the fans is the minimum fan speed ratio. Select a higher ratio if you to be set... F] The onboard hardware monitor automatically detects the MB (motherboard) and CPU temperatures. Configuration options: [1 Sec/2 Sec] [2 Sec/4 Sec] [3 Sec/6 Sec] [4 Sec/8 Sec] ASUS A7N8X-X Motherboard 2-25 Speed Up/Down Response Time [4 Sec/8 Sec] This item indicates the time period before the fan speeds adjust to the vale set...
...fan speeds in the Fan Speed Ratio field. The default [10/15] is not connected to the fan connectors on the motherboard, the specific field will show N/A. If any of the fans is the minimum fan speed ratio. Select a higher ratio if you to be set... F] The onboard hardware monitor automatically detects the MB (motherboard) and CPU temperatures. Configuration options: [1 Sec/2 Sec] [2 Sec/4 Sec] [3 Sec/6 Sec] [4 Sec/8 Sec] ASUS A7N8X-X Motherboard 2-25 Speed Up/Down Response Time [4 Sec/8 Sec] This item indicates the time period before the fan speeds adjust to the vale set...
Motherboard DIY Troubleshooting Guide
Page 59
QFE Drivers Click this item to download and update motherboard BIOS & drivers. ASUS Update Installs utility to load the installation wizard and install the Win98 QFE drivers. Install the necessary drivers to specific operating system versions. 3.2.3 Utilities menu The Utilities menu shows the applications and other software that can monitor Fan, Speed, Voltage...
QFE Drivers Click this item to download and update motherboard BIOS & drivers. ASUS Update Installs utility to load the installation wizard and install the Win98 QFE drivers. Install the necessary drivers to specific operating system versions. 3.2.3 Utilities menu The Utilities menu shows the applications and other software that can monitor Fan, Speed, Voltage...
A7N8X-X User's Manual
Page 2
...CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR ...INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS.
...CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR ...INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS.
A7N8X-X User's Manual
Page 3
Contents Notices ...v Safety information ...vi ASUS contact information ...viii A7N8X-X specifications summary ...ix Features Chapter 1: Motherboard Info 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Welcome! ...1-2 Package contents ...1-2 Motherboard components ...1-3 Motherboard layout ...1-6 Before you proceed ...1-7 Central Processing Unit (CPU) ...1-7 System memory ...1-8 1.7.1 Installing a DIMM ...1-8 1.8 Expansion ...
Contents Notices ...v Safety information ...vi ASUS contact information ...viii A7N8X-X specifications summary ...ix Features Chapter 1: Motherboard Info 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Welcome! ...1-2 Package contents ...1-2 Motherboard components ...1-3 Motherboard layout ...1-6 Before you proceed ...1-7 Central Processing Unit (CPU) ...1-7 System memory ...1-8 1.7.1 Installing a DIMM ...1-8 1.8 Expansion ...
A7N8X-X User's Manual
Page 9
A7N8X-X specifications summary CPU Socket A for AMD Duron™/Athlon™... x 184-pin DDR DIMM Sockets Max. 3 GB unbuffered PC3200/2700/2100/1600 non-ECC DDR RAM memory. (Visit ASUS website for latest qualified DDR400 module list.) 5 x PCI 1 x AGP 8X (1.5V only) 2 x UltraDMA 133/100.../66/33 Realtek ALC650 6CH with built-in HP amplifier 1 Port MCP integrated NVIDIA MAC + Realtek 8201BL PHY ASUS Q-Fan Technology ASUS C.O.P. (CPU Overheating Protection) Power Loss Restart CPU Throttle Support S/PDIF in/out (optional) 1 x Parallel 1 x Serial 1 x PS/2 Keyboard 1 x...
A7N8X-X specifications summary CPU Socket A for AMD Duron™/Athlon™... x 184-pin DDR DIMM Sockets Max. 3 GB unbuffered PC3200/2700/2100/1600 non-ECC DDR RAM memory. (Visit ASUS website for latest qualified DDR400 module list.) 5 x PCI 1 x AGP 8X (1.5V only) 2 x UltraDMA 133/100.../66/33 Realtek ALC650 6CH with built-in HP amplifier 1 Port MCP integrated NVIDIA MAC + Realtek 8201BL PHY ASUS Q-Fan Technology ASUS C.O.P. (CPU Overheating Protection) Power Loss Restart CPU Throttle Support S/PDIF in/out (optional) 1 x Parallel 1 x Serial 1 x PS/2 Keyboard 1 x...
A7N8X-X User's Manual
Page 10
A7N8X-X specifications summary BIOS features Industry standard Manageability Support CD contents 2Mb Flash ROM, Award BIOS, TCAV, PnP, DMI2.0, DMI, Green PCI 2.2, USB 1.1/2.0. DMI 2.0, WOL, WOR, Chassis Intrusion, SM Bus Device drivers ASUS PC Probe Trend Microtm PC-cillin 2002 anti-virus software ASUS LiveUpdate Utility User's manual Support CD 1 x UltraDMA 133/100/66 cable FDD cable 9-pin COM cable (optional) 2-port USB/Game port bracket (optional) I/O shield ATX form factor: 12 in x 9.6 in Accessories Form Factor * Specifications are subject to change without notice. x
A7N8X-X specifications summary BIOS features Industry standard Manageability Support CD contents 2Mb Flash ROM, Award BIOS, TCAV, PnP, DMI2.0, DMI, Green PCI 2.2, USB 1.1/2.0. DMI 2.0, WOL, WOR, Chassis Intrusion, SM Bus Device drivers ASUS PC Probe Trend Microtm PC-cillin 2002 anti-virus software ASUS LiveUpdate Utility User's manual Support CD 1 x UltraDMA 133/100/66 cable FDD cable 9-pin COM cable (optional) 2-port USB/Game port bracket (optional) I/O shield ATX form factor: 12 in x 9.6 in Accessories Form Factor * Specifications are subject to change without notice. x
A7N8X-X User's Manual
Page 22
... cable. Refer to the secondary IDE connector. Pin 20 on the IDE ribbon cable to be both master devices with two ribbon cables - BIOS supports specific device bootup. IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1) This connector supports the provided UltraDMA/133/100/66 IDE hard disk ribbon cable. You may configure...
... cable. Refer to the secondary IDE connector. Pin 20 on the IDE ribbon cable to be both master devices with two ribbon cables - BIOS supports specific device bootup. IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1) This connector supports the provided UltraDMA/133/100/66 IDE hard disk ribbon cable. You may configure...
A7N8X-X User's Manual
Page 38
... the legend keys to the right of certain fields. While moving around through the Setup program, note that will not fit in the Item Specific Help window located to navigate and enter values within each menu. To display a sub-menu, move the highlight to the last page. Saving...to return to familiarize yourself with the legend keys and their corresponding functions. Use and or the up and down arrow keys to the Item Specific Help window, the BIOS setup program also provides a General Help screen. The General Help screen lists the legend keys and their corresponding functions...
... the legend keys to the right of certain fields. While moving around through the Setup program, note that will not fit in the Item Specific Help window located to navigate and enter values within each menu. To display a sub-menu, move the highlight to the last page. Saving...to return to familiarize yourself with the legend keys and their corresponding functions. Use and or the up and down arrow keys to the Item Specific Help window, the BIOS setup program also provides a General Help screen. The General Help screen lists the legend keys and their corresponding functions...
A7N8X-X User's Manual
Page 47
... read command and the moment that the data actually becomes available. Configuration options: [Enabled] [Disabled] ASUS A7N8X-X Motherboard 2-17 Configuration options: [32M] [64M] [128M] [256M] [512M] AGP Frequency [Auto] This field sets the frequency of specific CPU core voltages. SDRAM CAS Latency [2.5T] This field sets the override clock cycle for AGP...
... read command and the moment that the data actually becomes available. Configuration options: [Enabled] [Disabled] ASUS A7N8X-X Motherboard 2-17 Configuration options: [32M] [64M] [128M] [256M] [512M] AGP Frequency [Auto] This field sets the frequency of specific CPU core voltages. SDRAM CAS Latency [2.5T] This field sets the override clock cycle for AGP...
A7N8X-X User's Manual
Page 52
... field sets control over the IRQ resources by default. Configuration options: [Disabled] [Enabled] Power On By PS/2 Keyboard [Disabled] This parameter allows you to use specific keys on the keyboard to turn on the system. Power On By PS/2 Mouse [Disabled] When set to [Enabled], this parameter allows you to use...
... field sets control over the IRQ resources by default. Configuration options: [Disabled] [Enabled] Power On By PS/2 Keyboard [Disabled] This parameter allows you to use specific keys on the keyboard to turn on the system. Power On By PS/2 Mouse [Disabled] When set to [Enabled], this parameter allows you to use...
A7N8X-X User's Manual
Page 55
... installed additional devices and the system requires more efficient system operation. This item is required to the fan connectors on the motherboard, the specific field will show N/A. MB, CPU Temperature [xx C / xx F] The onboard hardware monitor automatically detects the MB (motherboard) and CPU... field is set in revolutions per minute (RPM). Configuration options: [1 Sec/2 Sec] [2 Sec/4 Sec] [3 Sec/6 Sec] [4 Sec/8 Sec] ASUS A7N8X-X Motherboard 2-25 Configuration options: [Disabled] [Enabled] Fan Speed Ratio [10/15] This item allows you to the vale set to select the ...
... installed additional devices and the system requires more efficient system operation. This item is required to the fan connectors on the motherboard, the specific field will show N/A. MB, CPU Temperature [xx C / xx F] The onboard hardware monitor automatically detects the MB (motherboard) and CPU... field is set in revolutions per minute (RPM). Configuration options: [1 Sec/2 Sec] [2 Sec/4 Sec] [3 Sec/6 Sec] [4 Sec/8 Sec] ASUS A7N8X-X Motherboard 2-25 Configuration options: [Disabled] [Enabled] Fan Speed Ratio [10/15] This item allows you to the vale set to select the ...
A7N8X-X User's Manual
Page 59
... item installs the NVIDIA nForce set of drivers. USB 2.0 Driver This item installs the Universal Serial Bus 2.0 (USB 2.0) driver. ASUS A7N8X-X Motherboard 3-3 3.2.2 Drivers menu The drivers menu shows the available device drivers if the system detects installed devices. QFE Drivers Click... item installs the Microsoft V8.1 driver. Some menu items appear only to activate the devices. Install the necessary drivers to specific operating system versions. 3.2.3 Utilities menu The Utilities menu shows the applications and other software that can monitor Fan, Speed, Voltage, ...
... item installs the NVIDIA nForce set of drivers. USB 2.0 Driver This item installs the Universal Serial Bus 2.0 (USB 2.0) driver. ASUS A7N8X-X Motherboard 3-3 3.2.2 Drivers menu The drivers menu shows the available device drivers if the system detects installed devices. QFE Drivers Click... item installs the Microsoft V8.1 driver. Some menu items appear only to activate the devices. Install the necessary drivers to specific operating system versions. 3.2.3 Utilities menu The Utilities menu shows the applications and other software that can monitor Fan, Speed, Voltage, ...