CPU
- LGA775 socket for Intel Pentium 4/Celeron CPU
- Compatible with Intel 04B and 04A processors
- Intel Hyper-Threading Technology ready

Chipset Intel 925X
Intel ICH6R
Front Side Bus 800 / 533 MHz

Memory
- Dual channel memory architecture
- 4 x 240-pin DIMM sockets support max. 4GB DDR2 533/400 non-ECC memory
- Intel Performance Acceleration Technology (Intel PAT)
Expansion Slots 1 x PCI Express x16 slot for discrete graphics card
2 x PCI Express x1
3 x PCI
Storage/Raid Intel ICH6R South Bridge:
- 1 x UltraDMA 100/66/33
- 4 x Serial ATA with Intel Matrix Storage Technology with RAID 0, 1 support
Silicon Image 3114R RAID controller:
- 4 x Serial ATA with JBOD, RAID 0, 1, 10, 5 (RAID 5 software patch available, no WHQL)

ITE IDE RAID controller:
- 2 x UltraDMA 133/100/66 with JBOD, RAID 0, 1, 0+1 support
LAN Dual Gigabit LAN controllers
2 x Marvell PCIe 88E8053 Gigabit LAN Controller, features AI NET2
Wireless LAN: WiFi-g 54 Mbps IEEE 802.11g and backwards compatible with 11 Mbps 802.11b
- Access Point function (under WinXP, 2003)
- Bundle an external antenna
- One-touch wizard
- Wireless bridge, a.k.a. WDS or wireless repeater (under WinXP, 2003)
Audio - C-Media High Definition Audio 8-channel CODEC
- Coaxial, Optical S/PDIF out on back I/O port
- Features Dolby Digital Live technology

IEEE 1394b/a TI 1394b controller supports
- 2 x 1394b ports @ 800 Mbps speed
- 1 x 1394a ports @ 400 Mbps speed

USB Max. 8 USB2.0 ports
ASUS AI Proactive Features AI NOS (Non-delay Overclocking System)
AI NET2 network diagnosis before entering OS
WiFi-g powered by WiFi@HOME technology
Stack Cool patented fanless cooling system
Overclocking Features - AI NOS (Non-delay Overclocking System)
- AI Overclocking (intelligent CPU frequency tuner)
- CPU, Memory, and PCIe x16 voltage adjustable
- SFS (Stepless Frequency Selection) from 100MHz up to 400MHz at 1MHz increment
- Adjustable FSB/DDR ratio. Fixed PCI/PCIe frequencies.
- ASUS C.P.R.(CPU Parameter Recall)

Other ASUS Special Features CrashFree BIOS 2
Q-Fan2
Post Reporter
Multi-language BIOS
MyLogo2
BIOS 8 Mb Flash ROM,AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3
Back Panel I/O Ports 1 x Parallel
1 x WLAN antenna jack (optional)
1 x Optical + 1 x Coaxial S/PDIF Output
1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x RJ45
4 x USB 2.0/1.1
1 x IEEE1394a
8-Channel Audio I/O

Internal I/O Connectors 2 x USB 2.0 connectors supports additional 4 USB 2.0 ports
1 x LAN connector
2 x IEEE1394 connectors
1 x COM connector
1 x GAME/MIDI connector
CPU / 2 x Chassis / Power Fan connectors
Front panel High Definition Audio connector
Chassis Intrusion connector
CD audio-in connector
24-pin ATX Power connector
4-pin ATX 12V Power connector
Support CD Drivers
ASUS PC Probe
ASUS LiveUpdate Utility
Anti-virus software (OEM version)
Accessories InterVideo WinDVD Suite (OEM version)
1 x Wireless LAN antenna (optional)
1 x 2-port IEEE1394b / 1-port RJ45 module
10 x Serial ATA cables
1 x SATA Extension module for external devices
4 x 2-port SATA power cable
1 x 2-port USB2.0 / Game module
1 x COM Port module
2 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)