CPU

Socket775 for Intel®Core™2 / Core™2 Extreme / Pentium Processor Extreme Edition / Pentium D / Pentium 4 / Celeron CPU
Compatible with Intel®06, 05B/05A and 04B/04A processors
Intel® EM64T/ EIST*/Hyper-Threading Technology
Chipset

NVIDIA® nForce4 SLI x 16
Front Side Bus

1066 / 800 / 533MHz
Memory

Dual channel memory architecture
4 x 240-pin DIMM sockets support max. 8GB DDR2 800/667/533 non-ECC memory
Refer to www.asus.com or user manual for "Memory QVL (Qualify Vendor List)"
Expansion Slots

2 x PCI Express x16
2 x PCI Express x1
1 x PCI Express x4
2 x PCI
PCI 2.2
Scalable Link Interface (SLI™)

ASUS two-slot thermal design
ASUS PEG Link for dual PCI Express graphics cards
Storage/RAID

NVIDIA® nForce4 SLI 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 on Serial ATA drives
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 featuring AI Net2
NVIDIA NF4 SLI Southbridge built-in Gigabit MAC with external Marvell PHY supports:
- NV ActiveArmor
- NV Firewall
Marvell PCI-e Gigabit LAN
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:
- 2 x IEEE 1394a connector onboard
ASUS AI Lifestyle Features

Stack Cool2
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
- 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
Q-Fan2
MyLogo2
EZ Flash
Multi-language BIOS
BIOS

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

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

3 x USB connectors supports additional 6 USB 2.0 ports
2 x IEEE1394a connector
1 x COM connector
1 x GAME/MIDI connector
CPU Fan / 2x Chassis Fan/ Power Fan / 2x chipset fan connectors
Front panel audio connector
Chassis Intrusion connector
CD / AUX audio in
24-pin ATX Power connector
8-pin EATX 12V Power connector
Accessories

InterVideo WinDVD Suite (OEM version)
1 x SLI connector
1 x IEEE1394 port module
4 x SATA cables
SATA power cables for 4 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
2 x Option Fan
1 x I/O Shield
User' s manual
Support Disc

Drivers
ASUS PC Probe 2
ASUS Update
ASUS AI Booster
NVIDIA® NVFirwall
NVIDIA® RAID
Anti-virus software (OEM version)
Form Factor

ATX Form Factor, 12"x 9.6"(30.5cm x 24.5cm)