Motherboard DIY Troubleshooting Guide
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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 ...
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 ...
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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 ...
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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 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.
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Motherboard Info ASUS A7N8X-X Motherboard 1-1 Chapter 1 This chapter gives information about the ASUS A7N8X-X motherboard that came with the system.This chapter includes the motherboard layout, jumper settings, and connector locations.
Motherboard Info ASUS A7N8X-X Motherboard 1-1 Chapter 1 This chapter gives information about the ASUS A7N8X-X motherboard that came with the system.This chapter includes the motherboard layout, jumper settings, and connector locations.
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... is loaded with the most advanced technologies to ensure the best user experience and value in your ASUS A7N8X-X package for the following items. ASUS A7N8X-X motherboard ATX form factor: 12 in x 9.6 in ASUS A7N8X-X series support CD 40-pin 80-conductor ribbon cable for UltraDMA/66/100/133 IDE drives Ribbon... cable for buying the ASUS® A7N8X-X motherboard! 1.1 Welcome! Thank you start installing the motherboard and hardware devices on it, check the items in a motherboard. For future upgrades ...
... is loaded with the most advanced technologies to ensure the best user experience and value in your ASUS A7N8X-X package for the following items. ASUS A7N8X-X motherboard ATX form factor: 12 in x 9.6 in ASUS A7N8X-X series support CD 40-pin 80-conductor ribbon cable for UltraDMA/66/100/133 IDE drives Ribbon... cable for buying the ASUS® A7N8X-X motherboard! 1.1 Welcome! Thank you start installing the motherboard and hardware devices on it, check the items in a motherboard. For future upgrades ...
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1.3 Motherboard components 12 3 45 18 17 16 15 14 13 19 20 28 27 26 ASUS A7N8X-X Motherboard 6 7 8 9 10 11 12 21 25 22 23 24 1-3
1.3 Motherboard components 12 3 45 18 17 16 15 14 13 19 20 28 27 26 ASUS A7N8X-X Motherboard 6 7 8 9 10 11 12 21 25 22 23 24 1-3
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...'97 compliant audio CODEC designed for 3D graphical applications. 19 PS/2 mouse port. This Line Out (lime) jack connects a headphone or a speaker. 24 Microphone jack. ASUS A7N8X-X Motherboard 1-5 This header connects to turn off the system power before plugging or unplugging devices. 14 PCI slots. The MCP integrated NVIDIA® MAC + Realtek...
...'97 compliant audio CODEC designed for 3D graphical applications. 19 PS/2 mouse port. This Line Out (lime) jack connects a headphone or a speaker. 24 Microphone jack. ASUS A7N8X-X Motherboard 1-5 This header connects to turn off the system power before plugging or unplugging devices. 14 PCI slots. The MCP integrated NVIDIA® MAC + Realtek...
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... In CPU_FSB nVidia nForce2 400 Chipset 0 1 23 4 5 PRI_IDE1 SEC_IDE1 CHA_FAN1 Realtek RTL8201 CD1 FPAUDIO1 AUX1 Audio Codec SPDIF1 Accelerated Graphics Port (AGP) PCI 1 PCI 2 ®A7N8X-X PCI 3 nForce2 MCP Chipset CR2032 3V Lithium Cell CMOS Power CLRTC1 2Mb BIOS Super I/O USB56 COM2 MODEM1 PWR_LED1 PCI 4 PCI 5 USBPWR_56...
... In CPU_FSB nVidia nForce2 400 Chipset 0 1 23 4 5 PRI_IDE1 SEC_IDE1 CHA_FAN1 Realtek RTL8201 CD1 FPAUDIO1 AUX1 Audio Codec SPDIF1 Accelerated Graphics Port (AGP) PCI 1 PCI 2 ®A7N8X-X PCI 3 nForce2 MCP Chipset CR2032 3V Lithium Cell CMOS Power CLRTC1 2Mb BIOS Super I/O USB56 COM2 MODEM1 PWR_LED1 PCI 4 PCI 5 USBPWR_56...
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...motherboard, peripherals, and/or components. 1.6 Central Processing Unit (CPU) The motherboard provides a Socket A (462) for CPU installation. The A7N8X-X supports Athlon™ XP processors with core speeds of the following precautions before touching any component. 2. Refer to avoid damaging them . ...or triangle. Do not use processors with "QuantiSpeed" data processing, large data caches, 3D enhancements and 400/333/266Mhz bus speeds. ASUS A7N8X-X Motherboard 1-7 Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the power supply...
...motherboard, peripherals, and/or components. 1.6 Central Processing Unit (CPU) The motherboard provides a Socket A (462) for CPU installation. The A7N8X-X supports Athlon™ XP processors with core speeds of the following precautions before touching any component. 2. Refer to avoid damaging them . ...or triangle. Do not use processors with "QuantiSpeed" data processing, large data caches, 3D enhancements and 400/333/266Mhz bus speeds. ASUS A7N8X-X Motherboard 1-7 Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the power supply...
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...the socket until the retaining clips lock into a socket to 3GB non-ECC PC3200/2700/2100/1600 DDR.. 104 Pins ® A7N8X-X 80 Pins A7N8X-X 184-Pin DDR DIMM Sockets 1. The following sub-sections describe the slots and the expansion cards that it fits in the BIOS...with a notch so that they support. 1.8.1 Configuring an expansion card Some expansion cards need an IRQ to [Auto] ensure system stability. 3. Visit ASUS website (www.asus.com) for latest DDR400 Qualified Vendor List. 1.7.1 Installing a DIMM 1. Make sure the memory frequency and bus frequency setting in only one function at...
...the socket until the retaining clips lock into a socket to 3GB non-ECC PC3200/2700/2100/1600 DDR.. 104 Pins ® A7N8X-X 80 Pins A7N8X-X 184-Pin DDR DIMM Sockets 1. The following sub-sections describe the slots and the expansion cards that it fits in the BIOS...with a notch so that they support. 1.8.1 Configuring an expansion card Some expansion cards need an IRQ to [Auto] ensure system stability. 3. Visit ASUS website (www.asus.com) for latest DDR400 Qualified Vendor List. 1.7.1 Installing a DIMM 1. Make sure the memory frequency and bus frequency setting in only one function at...
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...* Primary Ultra ATA Controller 15* Secondary Ultra ATA Controller *These IRQs are "shared" by more than one function; Note the notches on your motherboard. ® A7N8X-X Keyed for expansion cards. used - - used - - used - - shared - - - 1.8.3 AGP slot This motherboard has an Accelerated Graphics Port (AGP) slot that they fit the AGP slot... +1.5V AGP 8X cards. in this motherboard PCI slot 1 PCI slot 2 PCI slot 3 PCI slot 4 PCI slot 5 ABCD shared - - - - - - Normally, 6 IRQs are free for 1.5v A7N8X-X Accelerated Graphics Port (AGP) ASUS A7N8X-X Motherboard 1-9
...* Primary Ultra ATA Controller 15* Secondary Ultra ATA Controller *These IRQs are "shared" by more than one function; Note the notches on your motherboard. ® A7N8X-X Keyed for expansion cards. used - - used - - used - - shared - - - 1.8.3 AGP slot This motherboard has an Accelerated Graphics Port (AGP) slot that they fit the AGP slot... +1.5V AGP 8X cards. in this motherboard PCI slot 1 PCI slot 2 PCI slot 3 PCI slot 4 PCI slot 5 ABCD shared - - - - - - Normally, 6 IRQs are free for 1.5v A7N8X-X Accelerated Graphics Port (AGP) ASUS A7N8X-X Motherboard 1-9
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...when set to CPU, DRAM in slow refresh, power supply in sleep mode. USBPWR_56 is for the rear USB port. USBPWR_12 USBPWR_34 12 23 ® A7N8X-X A7N8X-X USB Device Wake Up +5V (Default) +5VSB USBPWR_56 1 2 +5V (Default) 2 3 +5VSB 2. Otherwise, the system does not power ...the internal USB header that can connect to 1-2 pins (default), enable support for FSB 200 only. ® A7N8X-X CPU_FSB 1 2 FSB400/333/266 (Default) 2 3 FSB200 1-10 A7N8X-X CPU FSB Jumper Setting Chapter 1: Motherboard Information 1.9 Jumpers This section describes and illustrates the jumpers on the +...
...when set to CPU, DRAM in slow refresh, power supply in sleep mode. USBPWR_56 is for the rear USB port. USBPWR_12 USBPWR_34 12 23 ® A7N8X-X A7N8X-X USB Device Wake Up +5V (Default) +5VSB USBPWR_56 1 2 +5V (Default) 2 3 +5VSB 2. Otherwise, the system does not power ...the internal USB header that can connect to 1-2 pins (default), enable support for FSB 200 only. ® A7N8X-X CPU_FSB 1 2 FSB400/333/266 (Default) 2 3 FSB200 1-10 A7N8X-X CPU FSB Jumper Setting Chapter 1: Motherboard Information 1.9 Jumpers This section describes and illustrates the jumpers on the +...
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...computer when you wish to wake up feature. The RAM data in CMOS. Move the jumper caps from [1-2] to re-enter data. ® A7N8X-X A7N8X-X Clear RTC RAM CLRTC1 12 23 Normal (Default) Clear CMOS 4. Hold down the key during the boot process and enter BIOS setup to ...press a key on the +5VSB lead, and a corresponding setting in the BIOS (see section 2.5.1 Power Up Control). ® A7N8X-X KBPWR1 12 +5V (Default) 23 +5VSB A7N8X-X Keyboard Power Setting ASUS A7N8X-X Motherboard 1-11 Clear RTC RAM (CLRTC1) (optional) This jumper clears the Real Time Clock (RTC) RAM of date, time...
...computer when you wish to wake up feature. The RAM data in CMOS. Move the jumper caps from [1-2] to re-enter data. ® A7N8X-X A7N8X-X Clear RTC RAM CLRTC1 12 23 Normal (Default) Clear CMOS 4. Hold down the key during the boot process and enter BIOS setup to ...press a key on the +5VSB lead, and a corresponding setting in the BIOS (see section 2.5.1 Power Up Control). ® A7N8X-X KBPWR1 12 +5V (Default) 23 +5VSB A7N8X-X Keyboard Power Setting ASUS A7N8X-X Motherboard 1-11 Clear RTC RAM (CLRTC1) (optional) This jumper clears the Real Time Clock (RTC) RAM of date, time...
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... UltraDMA/133/100/66 devices, purchase another for the jumper settings. For UltraDMA/133/100/66 IDE devices, use an 80-conductor IDE cable. ® A7N8X-X A7N8X-X IDE Connectors SEC_IDE1 PRI_IDE1 NOTE: Orient the red markings (usually zigzag) on each IDE connector is recommended that you must configure the second drive as...
... UltraDMA/133/100/66 devices, purchase another for the jumper settings. For UltraDMA/133/100/66 IDE devices, use an 80-conductor IDE cable. ® A7N8X-X A7N8X-X IDE Connectors SEC_IDE1 PRI_IDE1 NOTE: Orient the red markings (usually zigzag) on each IDE connector is recommended that you must configure the second drive as...
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...pin 5 plug). The minimum recommended wattage is inadequate. ATX power connectors (20-pin ATXPWR1) These connectors connect to PIN 1 PIN 1 A7N8X-X Floppy Disk Drive Connector 3. Floppy disk drive connector (34-1 pin FLOPPY1) This connector supports the provided floppy drive ribbon cable. The system...may become unstable and may experience difficulty powering up if the power supply is 230W, or 300W for a fully configured system. ASUS A7N8X-X Motherboard 1-13 Find the proper orientation and push down firmly until the connectors completely fit. The plugs from the power supply ...
...pin 5 plug). The minimum recommended wattage is inadequate. ATX power connectors (20-pin ATXPWR1) These connectors connect to PIN 1 PIN 1 A7N8X-X Floppy Disk Drive Connector 3. Floppy disk drive connector (34-1 pin FLOPPY1) This connector supports the provided floppy drive ribbon cable. The system...may become unstable and may experience difficulty powering up if the power supply is 230W, or 300W for a fully configured system. ASUS A7N8X-X Motherboard 1-13 Find the proper orientation and push down firmly until the connectors completely fit. The plugs from the power supply ...
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... the back panel are inadequate, one USB header is available for playing or editing audio files. +5V J1B2 J1CY GND GND J1CX J1B1 +5V ® A7N8X-X A7N8X-X Game Connector GAME1 MIDI_IN J2B2 J2CY MIDI_OUT J2CX J2B1 +5V 1-14 Chapter 1: Motherboard Information USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P5USB_P5+ GND ®...
... the back panel are inadequate, one USB header is available for playing or editing audio files. +5V J1B2 J1CY GND GND J1CX J1B1 +5V ® A7N8X-X A7N8X-X Game Connector GAME1 MIDI_IN J2B2 J2CY MIDI_OUT J2CX J2B1 +5V 1-14 Chapter 1: Motherboard Information USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P5USB_P5+ GND ®...
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CPU_FAN1 Rotation +12V GND ® A7N8X-X CHA_FAN1 GND +12V Rotation A7N8X-X 12-Volt Cooling Fan Power Do not forget to connect the fan cables to record a chassis intrusion event. Chassis intrusion connector (4-1 pin... When you wish to the fan connectors on the fan connectors! 7. CHASSIS1 +5Volt (Power Supply Stand By) Chassis Signal Ground ® A7N8X-X 1 A7N8X-X Chassis Open Alarm Lead ASUS A7N8X-X Motherboard 1-15 These are shorted with intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. ...
CPU_FAN1 Rotation +12V GND ® A7N8X-X CHA_FAN1 GND +12V Rotation A7N8X-X 12-Volt Cooling Fan Power Do not forget to connect the fan cables to record a chassis intrusion event. Chassis intrusion connector (4-1 pin... When you wish to the fan connectors on the fan connectors! 7. CHASSIS1 +5Volt (Power Supply Stand By) Chassis Signal Ground ® A7N8X-X 1 A7N8X-X Chassis Open Alarm Lead ASUS A7N8X-X Motherboard 1-15 These are shorted with intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. ...
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...LED and lights up on every read/write activity of any of audio devices. A7N8X-X IDE Activity LED 10. FPAUDIO1 AGND +5VA BLINE_OUT_R BLINE_OUT_L MIC2 MICPWR Line out_R NC Line out_L ® A7N8X-X A7N8X-X Front Panel Audio Connector 9. Front panel audio connectors (10-1 pin FP_AUDIO1) This... is turned off. ® A7N8X-X A7N8X-X Onboard LED 1-16 PWR_LED1 ON Standby Power OFF Powered Off Chapter 1: Motherboard Information IDELED1 ® A7N8X-X TIP: If the case-mounted LED does not light, try reversing the 2-pin plug....
...LED and lights up on every read/write activity of any of audio devices. A7N8X-X IDE Activity LED 10. FPAUDIO1 AGND +5VA BLINE_OUT_R BLINE_OUT_L MIC2 MICPWR Line out_R NC Line out_L ® A7N8X-X A7N8X-X Front Panel Audio Connector 9. Front panel audio connectors (10-1 pin FP_AUDIO1) This... is turned off. ® A7N8X-X A7N8X-X Onboard LED 1-16 PWR_LED1 ON Standby Power OFF Powered Off Chapter 1: Motherboard Information IDELED1 ® A7N8X-X TIP: If the case-mounted LED does not light, try reversing the 2-pin plug....
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...-Out Right Audio Channel Ground Left Audio Channel Left Audio Channel Ground Right Audio Channel 11. MODEM1 CD1 (Black) AUX1 (White) ® A7N8X-X A7N8X-X Internal Audio Connectors 12. Serial Port 2 connector (10-1 pin COM2) (optional) This connector accomodates a second serial port using an optional ... you to this connector then install the bracket into a slot opening at the back of the system chassis. ® A7N8X-X COM2 PIN 1 A7N8X-X Serial COM2 Bracket ASUS A7N8X-X Motherboard 1-17 Connect the bracket cable to receive stereo audio input from sound sources such as a CD-ROM, TV...
...-Out Right Audio Channel Ground Left Audio Channel Left Audio Channel Ground Right Audio Channel 11. MODEM1 CD1 (Black) AUX1 (White) ® A7N8X-X A7N8X-X Internal Audio Connectors 12. Serial Port 2 connector (10-1 pin COM2) (optional) This connector accomodates a second serial port using an optional ... you to this connector then install the bracket into a slot opening at the back of the system chassis. ® A7N8X-X COM2 PIN 1 A7N8X-X Serial COM2 Bracket ASUS A7N8X-X Motherboard 1-17 Connect the bracket cable to receive stereo audio input from sound sources such as a CD-ROM, TV...