Processor
• Single PGA478 ZIF socket
• Supports Intel® P4 "Northwood" processors
• Hyper-Threading Technology supported
• Front-Side Bus support for 800/533/400 MHz

Chipset
• Intel® 875P (Canterwood) MCH
• Intel 82801EB (ICH5) South Bridge
• Winbond W83627HF LPC I/O ASIC

Memory
• Supports up to four DDR DIMM sockets
(Dual Channel Configuration)
• Up to 4GB of unbuffered DDR400/333/266 mem.
• Registered memory is NOT supported
• Supports ECC/non-ECC type memory modules

Expansion Slots (Total of four usable slots)
• Four 32-bit (5-volt) 33MHz PCI 2.3 slots

Back Panel I/O Ports
• Serial and VGA connectors
• Two RJ45 1000/100/10 port (option)
• Stacked two USB 2.0 & RJ45 10/100 ports (option)
• Stacked PS/2 keyboard and mouse ports

Integrated I/O Interfaces
• One Floppy connector for up to two drives
• Eight USB 2.0 ports
(2 rear connectors and 3 headers)
• Two 9-pin serial ports
(one rear connector and one header)
• One IRDA connector (via optional cable)
• Power/IDE LED connectors
• Headers for CPU/Power Supply/Chassis Fans
• One 25-pin ECP/EPP/SPP parallel port header

Integrated PCI IDE (ICH5)
• Dual-channel master mode supports up to
four IDE devices
• Supports for ATA-100/66/33 IDE drives and
ATAPI compliant devices

Integrated Serial ATA RAID
• Promise PDC20378 SATA RAID controller
Two SATA and one ATA/133 channels
• Support up to two SATA and two ATA-133/100
IDE drives
• Supports IDE RAID 0, 1, 0+1

Integrated Serial ATA (ICH5)
• Two SATA Host controllers embedded in ICH5
• Supports two Serial ports running at 1.5Gb/sec.

System Management
• Winbond W83627HF w/ hardware monitoring
• Three 3-pin fan headers
(two fan headers with tachometer monitoring)
• Temperature and voltage monitoring
• Watchdog timer
• Port 80 code display LED

Integrated PCI Graphic
• ATI® RAGE™ XL PCI controller
8MB frame buffer

Integrated LAN Controllers
• Two Giga-bit LAN controllers
- Intel 82547EI GbE LAN controller
(operatingat 266MB/s CSA interface)
- Intel 82541EI GbE LAN controller (option)
• One 10/100 Mbps LAN controller
- Intel 82562EM 10/100 Mbps LAN controller

Power
• On board VRM, 3-phase PWM
• ATX 12V (20-pin + 4-pin) power connectors

BIOS
• Award BIOS on 4Mbit Flash ROM
• Supports APM 1.2 & ACPI 1.0
• PnP, DMI2.0, WfM2.0 Power Management

Form Factor
• ATX footprint (12"x9.6"; 304.8mm x 243.8mm)

Regulatory
• FCC DoC (Declaration of Conformity)
• European Community CE
• BSMI