CPU

Socket775 for Intel® Pentium Processor Extreme Edition / Pentium D* / Pentium 4 / Celeron CPU
Compatible with Intel® 05B/05A and 04B/04A processors
Intel® EM64T/ EIST*/Hyper-Threading Technology
* Refer to www.asus.com/support for Intel® Pentium D CPU and EIST support list
Chipset

NVIDIA® nForce4™ SLI Intel® Edition
NVIDIA® MCP-04
Front Side Bus

1066 / 800 / 533MHz
Memory

Dual channel memory architecture
4 x 240-pin DIMM sockets support max. 8GB DDR2 667/533 non-ECC memory
Support NVIDIA DASP 3.0 (dynamic adaptive speculative preprocessor) and QuickSync features
Expansion Slots

2 x PCI Express x16
- SLI mode: x8, x8
- Default (Single VGA) mode: x16, x1
2 x PCI Express x1
3 x PCI
PCI 2.2
Scalable Link Interface (SLI™)

Under SLI mode: support two identical SLI-ready graphics cards
Under Default(Single VGA) mode:
- 1 x PCI Express x16 graphics card on the first slot (blue)
- 1 x PCI Express x1 card on second slot (black)
ASUS EZ Selector
ASUS EZ Plug
ASUS SLI Warning LED
ASUS two-slot thermal design
ASUS PEG Link for dual PCI Express graphics cards
Storage/RAID

NVIDIA® MCP-04 Southbridge supports NVRAID
- 2 x Ultra DMA 133/100/66/33
- 4 x Serial ATA 3 Gb/s
- NVRAID: RAID0, 1, 0 1, 5, and JBOD span cross Serial ATA and Parallel ATA drives
- Supports multi-RAID
- Supports up to 8 drives for RAID function

Silicon Image 3132 SATA controller supports
- 1 x Internal Serial ATA 3 Gb/s hard disk
- 1 x External Serial ATA hard disk (SATA On-the-Go)
- RAID 0, 1
LAN

Dual Gigabit LAN
NVIDIA MCP-04 Southbridge built-in Gigabit MAC with external Marvell PHY supports:
- NV ActiveArmor
- NV Firewall
- AI NET2
Intel 82540EM Gigabit LAN controller
Audio

Realtek ALC850 8-channel CODEC
Universal Audio Jack
Audio Sensing and Enumeration Technology
Coaxial/Optical S/PDIF out ports on back I/O
IEEE 1394

TI 1394a controller supports:
- 1 x IEEE 1394a port on the rear panel
- 1 x IEEE 1394a connector at midboard
USB

Supports up 10 USB2.0 ports
ASUS AI Lifestyle Features

AI Quiet
SATA on the Go (External SATA on back I/O port)
Overclocking Features

Intelligent overclocking tools:
- AI NOS(Non-delay Overclocking System)
- AI Overclocking (intelligent CPU frequency tuner)
- ASUS PEG Link - Automatically performance tuning for single/dual graphics cards
- ASUS CPU Lock Free
- ASUS Ai Booster Utility

Precision Tweaker:
- vDIMM: 8-step DRAM voltage control
- vCore: Adjustable CPU voltage at 0.0125V increment SFS (Stepless Frequency Selection)
- FSB tuning from 133MHz up to 400MHz at 1MHz increment
- Memory tuning from 400MHz up to 1200MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment

Overclocking Protection:
- ASUS C.P.R.(CPU Parameter Recall)
Other ASUS Special Features

Fanless Design
AI NET2 network diagnosis before entering OS
CrashFree BIOS 2
Q-Fan2
MyLogo2
Post Reporter
EZ Flash
Multi-language BIOS
BIOS

4 Mb Flash ROM, AWARD BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3
Back Panel I/O Ports

1 x Parallel
1 x Optical 1 x Coaxial S/PDIF Output
1 x PS/2 Keyboard
1 x PS/2 Mouse
2 x RJ45
4 x USB 2.0/1.1
1 x External SATA
1 x IEEE1394
8-Channel Audio I/O
Internal I/O Connectors

1 x SLI selector card connector
3 x USB connectors supports additional 6 USB 2.0 ports
1 x IEEE1394a connector
1 x COM connector
1 x GAME/MIDI connector
CPU Fan / 2x Chassis Fan/ Power Fan connectors
Front panel audio connector
Chassis Intrusion connector
CD / AUX audio in
24-pin ATX Power connector
4-pin ATX 12V Power connector
4-pin EZ Plug power connector
Support CD

Drivers
ASUS PC Probe 2
ASUS Update
ASUS AI Booster
Winbond Voice Editor
NVIDIA NVFirwall
NVIDIA RAID
NVIDIA RIS(Remote Installation Service) application
Anti-virus software (OEM version)
Accessories

InterVideo WinDVD Suite (OEM version)
1 x SLI connector
1 x SLI retention bracket
1 x IEEE1394 port module
5 x SATA cables
SATA power cables for 5 devices
1 x 2-port USB2.0 / Game module
1 x COM Port module
1 x UltraDMA 133/100/66 cable
1 x IDE cable
1 x FDD cable
1 x I/O Shield
User' s manual
Form Factor

ATX Form Factor, 12"x 9.6"(30.5cm x 24.5cm)
It is highly recommended to always use the most recent driver version available.
Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.

Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.