Revision

1.0

Processor Interface

Socket 478

Processor

- Supports 400/533/800MHz FSB Intel Pentium 4 processor
- Supports 400MHz FSB Intel Celeron processor
- Supports Intel Hyper-Threading Technology

Chipset

Northbridge : Intel 82865PE (MCH)
Southbridge : Intel 82801ER (ICH5R)

Ext. Clock (CPU/AGP/PCI)

100 to 412 (in 1MHz increments)

DRAM Ratio (CPU:DRAM)

3:2, 5:4, 1:1, By SPD

AGP Speeds

66 to 96 (in 1MHz increments)

PCI Speeds

1/2 AGP Speed

Core Voltages

1.5250 to 1.9000V (in 0.0250V increments)

DDR SDRAM Voltages

2.5 to 2.7V (in 0.05V increments)
2.7 to 2.9V (in 0.1V increments)
2.9 to 3.1V (in 0.05V increments)
3.1 to 3.2V (in 0.1V increments)

AGP VDDQ Voltages

1.5 to 1.65V (in 0.05V increments)

Supported Memory

Four 184-pin DDR SDRAM DIMM slots
- Up to four single/dual channel DDR 266/333/400 memory
- Supports up to 4GB

Internal I/O Connectors

One AGP slot (supporting AGP 4X/8X)
Five PCI slots
One Floppy Port supports up to 2.88MB
Two Ultra DMA 33/66/100 Connectors
Two SATA 150 Ports
Two USB 2.0 headers
Two IEEE 1394 headers
One CD-IN
One AUX-IN
Front Panel Audio Connector
CPU/Classis/Power/FAN1/FAN2 FAN Connector
20-pin ATX Power Connector
4-pin ATX Power Connector

Back Panel I/O

One PS/2 Keyboard
One PS/2 mouse
One Printer Port
One COM port
One S/PDIF In connector
One S/PDIF Out connector
Five Audio connector
Four USB 2.0 Connectors
One IEEE 1394 Connector
One RJ-45 LAN Connector

Onboard Serial ATA

Two channels Serial ATA 150MB/s data transfer rate
W ith RAID 0 / 1 via ICH5R South Bridge

Onboard Audio

Onboard Realtek ALC658 6-channel CODEC
Automatically Audio Jack Sensing
S/PDIF Input & Output Interface

Onboard LAN

Onboard Realtek 10/100 LAN