Motherboard DIY Troubleshooting Guide
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... 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 Configuring an expansion card 1-8 1.8.2 Standard Interrupt Assignments 1-9 1.8.3 AGP slot 1-9 1.9 Jumpers 1-10 1.10 Connectors 1-12 Chapter 2: BIOS Information 2.1 Managing and...
... 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 Configuring an expansion card 1-8 1.8.2 Standard Interrupt Assignments 1-9 1.8.3 AGP slot 1-9 1.9 Jumpers 1-10 1.10 Connectors 1-12 Chapter 2: BIOS Information 2.1 Managing and...
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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. 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.
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... 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 ASUS ASIC with Hardware Monitor GAME1 IR_CON1 IDELED1 PWRTMP1 CHASSIS1 CTRL_PANEL1 1-6 Chapter 1: Motherboard Information
... 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 ASUS ASIC with Hardware Monitor GAME1 IR_CON1 IDELED1 PWRTMP1 CHASSIS1 CTRL_PANEL1 1-6 Chapter 1: Motherboard Information
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... lock into a socket to avoid damaging the DIMM. 4. In a standard design configuration, 16 IRQs are available but most are already in the BIOS are not supported. 2. Unlock a DIMM socket by pressing the retaining clips outward. 2. Align a DIMM on the DIMM exactly match the notches ... Pins A7N8X-X 184-Pin DDR DIMM Sockets 1. Generally, an IRQ must be exclusively assigned to one direction. DIMMs with a notch so that it fits in the socket. 3. Visit ASUS website (www.asus.com) for latest DDR400 Qualified Vendor List. 1.7.1 Installing a DIMM 1. 1.7 System memory The motherboard has three ...
... lock into a socket to avoid damaging the DIMM. 4. In a standard design configuration, 16 IRQs are available but most are already in the BIOS are not supported. 2. Unlock a DIMM socket by pressing the retaining clips outward. 2. Align a DIMM on the DIMM exactly match the notches ... Pins A7N8X-X 184-Pin DDR DIMM Sockets 1. Generally, an IRQ must be exclusively assigned to one direction. DIMMs with a notch so that it fits in the socket. 3. Visit ASUS website (www.asus.com) for latest DDR400 Qualified Vendor List. 1.7.1 Installing a DIMM 1. 1.7 System memory The motherboard has three ...
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IRQ assignments for this case, IRQ assignments are swapped automatically or adjusted through the BIOS firmware. 1.8.2 Standard Interrupt Assignments IRQ Standard Function 0 System Timer 1 Keyboard Controller 2 Programmable Interrupt Controller 3* USB Universal Host Controller 4* ... slot This motherboard has an Accelerated Graphics Port (AGP) slot that they fit the AGP slot on your motherboard. ® A7N8X-X Keyed for 1.5v A7N8X-X Accelerated Graphics Port (AGP) ASUS A7N8X-X Motherboard 1-9 used - - Sometimes IRQs are "shared" by more than one function;
IRQ assignments for this case, IRQ assignments are swapped automatically or adjusted through the BIOS firmware. 1.8.2 Standard Interrupt Assignments IRQ Standard Function 0 System Timer 1 Keyboard Controller 2 Programmable Interrupt Controller 3* USB Universal Host Controller 4* ... slot This motherboard has an Accelerated Graphics Port (AGP) slot that they fit the AGP slot on your motherboard. ® A7N8X-X Keyed for 1.5v A7N8X-X Accelerated Graphics Port (AGP) ASUS A7N8X-X Motherboard 1-9 used - - Sometimes IRQs are "shared" by more than one function;
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...) This jumper clears the Real Time Clock (RTC) RAM of date, time and system setup parameters 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 Turn OFF the computer and unplug the power cord. 2. Remove the battery. 3. Replace the jumper...
...) This jumper clears the Real Time Clock (RTC) RAM of date, time and system setup parameters 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 Turn OFF the computer and unplug the power cord. 2. Remove the battery. 3. Replace the jumper...
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...may configure two hard disks to the secondary IDE connector. 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 the IDE ribbon cable to match the covered hole on the UltraDMA cable...on each IDE connector is recommended that you connect non-UltraDMA/133/100/66 devices to be both master devices with two ribbon cables - BIOS supports specific device bootup. If you have more than two UltraDMA/133/100/66 devices, purchase another for the jumper settings. Refer to ...
...may configure two hard disks to the secondary IDE connector. 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 the IDE ribbon cable to match the covered hole on the UltraDMA cable...on each IDE connector is recommended that you connect non-UltraDMA/133/100/66 devices to be both master devices with two ribbon cables - BIOS supports specific device bootup. If you have more than two UltraDMA/133/100/66 devices, purchase another for the jumper settings. Refer to ...
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...output from the module to the motherboard SIR connector according to the pin definitions. ® A7N8X-X NC GND NC CIRRX +5VSB +5 V IRRX GND IRTX IR_CON1 SIR CIR A7N8X-X Infrared Connector Standard Infrared (SIR) Front View Back View IRTX +5V GND (NC) ...IRRX 1-18 Chapter 1: Motherboard Information Infrared Module connector (10-1 or 10-2 pin IR_CON1) (optional) These connectors support an optional wireless transmitting and receiving infrared module. Use the ten pins as shown in BIOS...
...output from the module to the motherboard SIR connector according to the pin definitions. ® A7N8X-X NC GND NC CIRRX +5VSB +5 V IRRX GND IRTX IR_CON1 SIR CIR A7N8X-X Infrared Connector Standard Infrared (SIR) Front View Back View IRTX +5V GND (NC) ...IRRX 1-18 Chapter 1: Motherboard Information Infrared Module connector (10-1 or 10-2 pin IR_CON1) (optional) These connectors support an optional wireless transmitting and receiving infrared module. Use the ten pins as shown in BIOS...
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... Connector PLED+ PLEDKeylock Ground +5V Ground Ground Speaker ExtSMI# Ground PWR GND Reset Ground ® A7N8X-X Reset SW SMI Lead ATX Power Switch* * Requires an ATX power supply. A7N8X-X System Panel Connectors • System Power LED Lead (3-1 pin PLED) This 3-1 pin connector connects...System Warning Speaker Lead (4-pin SPEAKER) This 4-pin connector connects to the case-mounted speaker and allows you turn on the BIOS or OS settings. ASUS A7N8X-X Motherboard 1-19 The LED lights up when you to hear system beeps and warnings. • System Management Interrupt Lead (2-pin...
... Connector PLED+ PLEDKeylock Ground +5V Ground Ground Speaker ExtSMI# Ground PWR GND Reset Ground ® A7N8X-X Reset SW SMI Lead ATX Power Switch* * Requires an ATX power supply. A7N8X-X System Panel Connectors • System Power LED Lead (3-1 pin PLED) This 3-1 pin connector connects...System Warning Speaker Lead (4-pin SPEAKER) This 4-pin connector connects to the case-mounted speaker and allows you turn on the BIOS or OS settings. ASUS A7N8X-X Motherboard 1-19 The LED lights up when you to hear system beeps and warnings. • System Management Interrupt Lead (2-pin...
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BIOS Information ASUS A7N8X-X Motherboard 2-1 Chapter 2 This chapter gives information about the ASUS A7N8X-X Basic Input/Output System (BIOS).This chapter includes updating the BIOS using the ASUS AFLASH BIOS that is bundled with the support CD.
BIOS Information ASUS A7N8X-X Motherboard 2-1 Chapter 2 This chapter gives information about the ASUS A7N8X-X Basic Input/Output System (BIOS).This chapter includes updating the BIOS using the ASUS AFLASH BIOS that is bundled with the support CD.
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... only. if you proceed to display the following sub-sections explain the steps in AwardBIOS Flash Utility 1. You need to type the exact BIOS file name at the Award BIOS Flash Utility. 2. ASUS A7N8X-X Motherboard 2-3 2.1.2 Updating BIOS procedures Update the BIOS only if you have problems with the executable Flash Memory Writer Utility (AWDFLASH.EXE). Updating...
... only. if you proceed to display the following sub-sections explain the steps in AwardBIOS Flash Utility 1. You need to type the exact BIOS file name at the Award BIOS Flash Utility. 2. ASUS A7N8X-X Motherboard 2-3 2.1.2 Updating BIOS procedures Update the BIOS only if you have problems with the executable Flash Memory Writer Utility (AWDFLASH.EXE). Updating...
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... since it . 5. Press to reprogram it is advisable to back-up the original BIOS in "2.1.2.1 Updating BIOS via Bootable Floppy Disk 1. At the "C:\" prompt, type "AWDFLASH /e BIOSFILE" and then . ASUS A7N8X-X Motherboard 2-5 Follow steps 6 to 9 in case you want to Program". 4. The BIOS flashes and displays the results. 9. Boot from the floppy disk. 2. At the...
... since it . 5. Press to reprogram it is advisable to back-up the original BIOS in "2.1.2.1 Updating BIOS via Bootable Floppy Disk 1. At the "C:\" prompt, type "AWDFLASH /e BIOSFILE" and then . ASUS A7N8X-X Motherboard 2-5 Follow steps 6 to 9 in case you want to Program". 4. The BIOS flashes and displays the results. 9. Boot from the floppy disk. 2. At the...
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... values for the highlighted field Brings up or down between fields Scrolls backward through the values for the highlighted field Saves changes and Exit ASUS A7N8X-X Motherboard 2-7 To access the menu bar items, press the right or left or right Moves the highlight up a selection menu for... field Scrolls forward through the various setup menus. SECURITY Use this menu to exit the current menu or to the advanced features, including BIOS, Chipset, Peripheral, Power and PnP/ PCI configurations. The following selections: MAIN Use this menu to enable and make changes to the ...
... values for the highlighted field Brings up or down between fields Scrolls backward through the values for the highlighted field Saves changes and Exit ASUS A7N8X-X Motherboard 2-7 To access the menu bar items, press the right or left or right Moves the highlight up a selection menu for... field Scrolls forward through the various setup menus. SECURITY Use this menu to exit the current menu or to the advanced features, including BIOS, Chipset, Peripheral, Power and PnP/ PCI configurations. The following selections: MAIN Use this menu to enable and make changes to the ...
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...Manually enter the number of cylinders, heads and sectors per track for configuring the fields below. After entering the IDE hard disk drive information into BIOS, use a disk utility, such as FDISK, to determine the correct value. To make changes to this sub-menu, press the key to... return to active. Head This field configures the number of the hard drive is necessary for the hard disk drive that you configured. ASUS A7N8X-X Motherboard 2-11 Access Mode [Auto] Select the hard disk drive type in MB. Configuration options: [CHS] [LBA] [Large] [Auto] Cylinders This field...
...Manually enter the number of cylinders, heads and sectors per track for configuring the fields below. After entering the IDE hard disk drive information into BIOS, use a disk utility, such as FDISK, to determine the correct value. To make changes to this sub-menu, press the key to... return to active. Head This field configures the number of the hard drive is necessary for the hard disk drive that you configured. ASUS A7N8X-X Motherboard 2-11 Access Mode [Auto] Select the hard disk drive type in MB. Configuration options: [CHS] [LBA] [Large] [Auto] Cylinders This field...
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... properties of CPU caches, as well as serial, game, midi and parallel addresses. ASUS A7N8X-X Motherboard 2-13 2.4 Advanced Menu Advanced menu items The Advanced menu accesses five important sub-menus: Advanced BIOS Features These fields set the functional properties of the ACPI, system power management, HDD ...and modem support, as well as boot devices, security and operational modes. Advanced Chipset Features These fields set the functional properties of the BIOS to reset data configurations and to view the desired menu. To access the menu bar items, press the up " and "power-on...
... properties of CPU caches, as well as serial, game, midi and parallel addresses. ASUS A7N8X-X Motherboard 2-13 2.4 Advanced Menu Advanced menu items The Advanced menu accesses five important sub-menus: Advanced BIOS Features These fields set the functional properties of the ACPI, system power management, HDD ...and modem support, as well as boot devices, security and operational modes. Advanced Chipset Features These fields set the functional properties of the BIOS to reset data configurations and to view the desired menu. To access the menu bar items, press the up " and "power-on...
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..., 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 90, 93, 95, 97, 100MHz] System BIOS Cacheable [Disabled] This field establishes whether or not the BIOS is set to [Auto]. Configuration options: [Enabled] [Disabled] ASUS A7N8X-X Motherboard 2-17 Disabled by default. Normally, the system determines the rate automatically by default. FSB Spread Spectrum...
..., 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 90, 93, 95, 97, 100MHz] System BIOS Cacheable [Disabled] This field establishes whether or not the BIOS is set to [Auto]. Configuration options: [Enabled] [Disabled] ASUS A7N8X-X Motherboard 2-17 Disabled by default. Normally, the system determines the rate automatically by default. FSB Spread Spectrum...
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...disables power to control the video display card if it was before the power interruption. Configuration options: [Disabled] [Enabled] [Previous State] ASUS A7N8X-X Motherboard 2-21 Blank Screen option blanks the screen; Configuration options: [Enabled] [Disabled] Wake-Power Up On Ext. Video Off Method ..." features. [V/H SYNC+Blank] blanks the screen and turns off " features. The DPMS support option (Display Power Management System) permits the BIOS to the HDD in suspend mode. Configuration options: [Enabled] [Disabled] PWR button < 4 Secs [Suspend] This field sets the delay after...
...disables power to control the video display card if it was before the power interruption. Configuration options: [Disabled] [Enabled] [Previous State] ASUS A7N8X-X Motherboard 2-21 Blank Screen option blanks the screen; Configuration options: [Enabled] [Disabled] Wake-Power Up On Ext. Video Off Method ..." features. [V/H SYNC+Blank] blanks the screen and turns off " features. The DPMS support option (Display Power Management System) permits the BIOS to the HDD in suspend mode. Configuration options: [Enabled] [Disabled] PWR button < 4 Secs [Suspend] This field sets the delay after...
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...letters. User Password A password is required for booting and entering into the CMOS setup and all items can be modified. ASUS A7N8X-X Motherboard 2-23 The table below describes the authority level when setting Supervisor or User Password. Setup A password is required ...be modified. TABLE 4.5.2 User Set Password only Security Option Supervisor Password System None Setup None User Password A password is required to the BIOS during system startup: a Supervisor password and a User password. All other items in the CMOS are displayed only. Passwords are displayed ...
...letters. User Password A password is required for booting and entering into the CMOS setup and all items can be modified. ASUS A7N8X-X Motherboard 2-23 The table below describes the authority level when setting Supervisor or User Password. Setup A password is required ...be modified. TABLE 4.5.2 User Set Password only Security Option Supervisor Password System None Setup None User Password A password is required to the BIOS during system startup: a Supervisor password and a User password. All other items in the CMOS are displayed only. Passwords are displayed ...
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...item installs the NVIDIA nForce set of drivers. ASUS Update Installs utility to load the installation wizard and install the Win98 QFE drivers. ASUS A7N8X-X Motherboard 3-3 Some menu items appear only to activate the devices. ASUS PC Probe Install utility that the motherboard supports.... QFE Drivers Click this item to download and update motherboard BIOS & drivers. USB 2.0 Driver This item ...
...item installs the NVIDIA nForce set of drivers. ASUS Update Installs utility to load the installation wizard and install the Win98 QFE drivers. ASUS A7N8X-X Motherboard 3-3 Some menu items appear only to activate the devices. ASUS PC Probe Install utility that the motherboard supports.... QFE Drivers Click this item to download and update motherboard BIOS & drivers. USB 2.0 Driver This item ...
A7N8X-X User's Manual
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... 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 slots ...1-8 1.8.1 Configuring an expansion card ...1-8 1.8.2 Standard Interrupt Assignments ...1-9 1.8.3 AGP slot ...1-9 1.9 Jumpers ...1-10 1.10 Connectors ...1-12 Chapter 2: BIOS Information 2.1 Managing and updating your BIOS...
... 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 slots ...1-8 1.8.1 Configuring an expansion card ...1-8 1.8.2 Standard Interrupt Assignments ...1-9 1.8.3 AGP slot ...1-9 1.9 Jumpers ...1-10 1.10 Connectors ...1-12 Chapter 2: BIOS Information 2.1 Managing and updating your BIOS...