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E2500
March
Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved
Chapter 1: Product introduction
Chapter 2: BIOS setup
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Federal Communications Commission Statement
Canadian Department of Communications Statement
Electrical safety
Operation safety
How this guide is organized
Where to find more information
Conventions used in this guide
A8N-Especifications summary
C P U
Chipset
Memory
Expansion slots
L A N
AI Audio
U S B
IEEE
Rear panel
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1.1.1Product highlights
Latest processor technology
AMD Cool ‘n’ Quiet!™ Technology
HyperTransport™ Technology
Dual Channel DDR memory support
RAID solution
PCI Express™ interface
S/PDIF digital sound ready
USB 2.0 technology
Temperature, fan, and voltage monitoring
1.1.2Innovative ASUS features
ASUS Q-Fantechnology
ASUS Multi-languageBIOS
Onboard LEDs
1.3.1Placement direction
1.3.2Screw holes
1.3.3Motherboard layout
1.4.1Overview
1.4.2Installling the CPU
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1.4.3Installing the heatsink and fan
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A8N-ECPU fan connector
1.5.1Overview
1.5.2Memory Configurations
DDR400 Qualified Vendors List
1.5.3Installing a DIMM
1.5.4Removing a DIMM
1.6.1Installing an expansion card
1.6.2Configuring an expansion card
1.6.3Interrupt assignments
Standard interrupt assignments
IRQ assignments for this motherboard
1.6.4PCI slots
1.6.5PCI Express x16 slot
1.6.6PCI Express x1 slot
1.6.7Universal PCIe slot (PCI Express x4 slot)
1.7 Jumpers
1 . Clear RTC RAM (CLRTC)
A8N-EClear RTC RAM
1.8.1Rear panel connectors
LAN port LED indications
Audio 2, 4, 6, or 8-channelconfiguration
1.8.2 Internal connectors
3 . Serial ATA connectors
(7-pinSATA1, SATA2, SATA3, SATA4)
SAT A
NVRAID Configuration
A8N-ESATA connectors SATA4 SATA3
4 . CPU, Chassis and Power fan connectors
(3-pinCPU_FAN, 3-pinCHA2_FAN, 3-pinPWR_FAN, 3-pinCHA1_FAN)
A8N-EFan connectors
5 . Serial port connector (10-1pin COM1)
A8N-ECOM port connector
6 . USB connectors (10-1pin USB56, USB78, USB910)
A8N-EUSB 2.0 connectors
1394 cable
7 . IEEE 1394a connector (10-1pinIE1394_1 [orange])
A8N-EIEEE 1394 connector
USB port module cable
8 . ATX power connectors
(24-pinEATXPWR1, 4-pinATX12V1)
9 . Internal audio connectors (4-pinCD, AUX)
10 . GAME/MIDI port connector (16-1pin GAME)
11 . Chassis intrusion connector (4-1pin CHASSIS)
12 . Front panel audio connector (10-1pin FP_AUDIO)
13 . System panel connector (10-1pin F_PANEL1)
•System power LED (2-pinPLED)
•ATX power button/soft-offbutton (2-pinPWRSW)
•Hard disk drive activity LED (2-pinIDELED)
•Reset button (2-pinRESET)
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2.1.1Creating a bootable floppy disk
2.1.2Updating the BIOS
File Name to Program
2.1.3Saving the current BIOS file
2.1.4ASUS EZ Flash utility
2.2BIOS setup program
Load Default Settings
2.2.1BIOS menu screen
2.2.2Menu bar
2.2.3Legend bar
2.2.4Menu items
2.2.5Sub-menuitems
2.2.6Configuration fields
2.2.7Pop-upwindow
2.2.8General help
2.3.1System Time [xx:xx:xxxx]
2.3.2System Date [Day xx/xx/xxxx]
2.3.3Language [English]
2.3.4Legacy Diskette A [1.44M, 3.5 in.]
2.3.5Primary and Secondary IDE Master/Slave
PIO Mode
UDMA Mode
IDE Primary Master/Slave [Auto]; IDE Secondary Master/ Slave [Auto]
Access Mode [Auto]
Transfer Mode
2.3.6First, Second, Third, Fourth SATA Master
Extended Drive
Access Mode
Precomp
Landing Zone
2.3.7HDD SMART Monitoring
2.3.8Installed Memory
2.4.1CPU Configuration
DRAM Configuration
Hyper Transport Frequency [Auto]
AMD K8 Cool’n’Quiet control [Auto]
2.4.2PCIPnP
Plug & Play O/S [No]
Resources Controlled By [Auto]
IRQ Resources
PCI/VGA Palette Snoop [Disabled]
2.4.3Onboard Devices Configuration
IDE Function Setup
OnChip IDE Channel0 [Enabled]
OnChip IDE Channel1 [Enabled]
IDE DMA transfer access [Enabled]
SATA Port 1, 2 [Enabled]
SATA DMA access [Enabled]
SATA Port 3, 4 [Enabled]
SATA2 DMA transfer [Enabled]
IDE Primary, Secondary Master/Slave RAID [Disabled]
First, Second, Third, Fourth SATA Master RAID [Disabled]
USB Configuration
USB Controller [Enabled]
USB 2.0 Controller [Enabled]
Serial Port1 Address [3F8/IRQ4]
Parallel Port Address [378/IRQ7]
Parallel Port Mode [ECP+EPP]
ECP Mode Use DMA [3]
Game Port Address [201]
2.5.1ACPI Suspend Type [S1&S3]
2.5.2ACPI APIC Support [Enabled]
2.5.3APM Configuration
Restore on AC Power Loss [Disabled]
PWR Button < 4 secs [Instant-Off]
Power On By PCI Devices [Disabled]
Power On By External Modems [Disabled]
Power On By RTC Alarm [Disabled]
Day of Month Alarm [Disabled]
Time (hh:mm:ss) Alarm [Disabled]
Power Up By PS/2 Mouse [Disabled]
Power On By PS/2 Keyboard [Disabled]
2.5.4Hardware Monitor
Q-FanController [Disabled]
VCORE Voltage, +12V Voltage, 3.3V Voltage, 5VCC Voltage
CPU Temperature, M/B Temperature
CPU Target Temperature
2.6.1Boot Device Priority
1st ~ xxth Boot Device [Removable]
2.6.2Removable Drives
1. Floppy Disks
2.6.3Hard Disk Drives
1. 1st Master:
2.6.4CDROM Drives
2.6.5Boot Settings Configuration
Case Open Warning [Enabled]
Quick Boot [Enabled]
Boot Up Floppy Seek [Enabled]
Bootup Num-Lock[On]
2.6.6Security
Supervisor Password
User Password
Password Check
Exit & Save Changes
Exit & Discard Changes
Load Setup Defaults
Discard Changes
