Motherboard
E2126 First Edition July
Contents
Chapter Bios Setup
Canadian Department of Communications Statement
Federal Communications Commission Statement
Operation safety
Electrical safety
Conventions used in this guide
Where to find more information
How this guide is organized
A7N8X-XE Specifications Summary
Support CD
Page
Introduction
Welcome
Package contents
Special features
USB 2.0 technology
Serial ATA technology
Integrated 10/100 LAN controller
Coaxial S/PDIF out
Innovative Asus features
Before you proceed
Motherboard layout
Motherboard overview
Screw holes
Placement direction
Overview
Installing the CPU
Central Processing Unit CPU
Recommended memory configurations
System memory
Memory configurations
SS/DS
DDR400 Qualified Vendors List
Removing a Dimm
Installing a Dimm
2 Configuring an expansion card
Installing an expansion card
Expansion slots
IRQ assignments for this motherboard
Standard interrupt assignments
PCI slots
AGP slot
Clear RTC RAM Clrtc
Jumpers
A7N8X-XE PS2/USB Device Wake-up
PS2/USB Device Wake-up 3-pin PS2USBPW
Audio 2, 4, or 6-channel configuration
Connectors
Rear panel connectors
IDE connectors 40-1 pin PRIIDE, Secide
Internal connectors
Floppy disk drive connector 34-1 pin Floppy
CPU and chassis fan connectors 3-pin CPUFAN, Chafan
Serial ATA connectors 7-pin SATA1, SATA2
Internal audio connectors 4-pin CD, AUX
USB connectors 10-1 pin USB56, USB78
ATX power connector 20-pin Atxpwr
Front panel audio connectors 10-1 pin Fpaudio
ATX power button/soft-off button 2-pin Pwrbtn
System panel connector 20-pin Panel
System power LED 3-1 pin Pled
Reset button 2-pin Reset
Bios Setup
Creating a bootable floppy disk
Managing and updating your Bios
Afudos /ofilename
Using Afudos to copy the current Bios
Using Afudos to update the Bios
Afudos /i filename.rom
Asus CrashFree Bios utility
To update the Bios using Asus EZ Flash
Using Asus EZ Flash to update the Bios
Updating the Bios through the Internet
Asus Update utility
Installing Asus Update
Updating the Bios through a Bios file
Flash ROM
Bios setup program
F10
Bios menu bar
Navigation keys
Tab
Sub-menu
Saving changes and exiting the Setup program
General help
Scroll bar
System Date day, mm dd yyyy
Legacy Diskette B Disabled
Main menu
System Time hhmmss
Type Auto
LBA/Large Mode Auto
Type Auto
Block Multi-sector Transfer M Auto
System Information
JumperFree Configuration
Bios Setup Utility
JumperFree Configuration
AI Overclock Tuner Auto
Legacy USB Support Auto
USB Controller Enabled
USB 2.0 Support Enabled
USB Configuration
NorthBridge Configuration
CPU Internal Cache Disabled
CPU Configuration
Chipset
NorthBridge Chipset Configuration
MDA Access Control PCI
TV Mode Support Default
C1 Discounnect Auto Mode
Tras
System Performance Settings
Memory Clock Auto
Dram Timing Auto
Sata Operation Mode non-RAID
Onboard LAN Enabled
MAC Bridge Mode Auto
OnBoard Sata Controller Enabled
Onboard Devices Configuration
PCIPnP
Repost Video on S3 Resume No
Power menu
Suspend Mode Auto
Acpi Apic Support Enabled
APM Configuration
Resume On PS/2 Keyboard Enabled
PME Resume Disabled
Ring-In Power On Disabled
RTC Resume Disabled
Vcore Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage
MB Temperature xxxC/xxxF CPU Temperature xxxC/xxxF
Hardware Monitor
CDROMSM-ASUS DVD
Boot menu
Boot Device Priority
1st ~ xxth Boot Device Removable
Boot Settings Configuration
Change Supervisor Password
Wait for ʻF1ʼ If Error Enabled
Hit ʻDELʼ Message Display Enabled
Change Supervisor Password
Change User Password
Exit & Discard Changes
Load Setup Defaults
Exit menu
Exit & Save Changes
Software Support
Running the support CD
Installing an operating system
Support CD information
Utilities menu
Drivers menu
Adobe Acrobat Reader Microsoft DirectX 9.0c
Asus Update
Contacts menu
Asus Screen Saver