CPU

LGA775 socket for Intel®  Core™2 Quad / Core™2 Extreme / Core™2 Duo / Pentium® Extreme / Pentium® D / Pentium® 4 Processors
Compatible with Intel® 05B/05A/06 processors
Support Intel® next generation 45nm Multi-Core CPU

Chipset

Intel® G33 / ICH9 with Intel® Fast Memory Access Technology

Front Side Bus

1333 / 1066 / 800 MHz

Memory

4 x DIMM, max. 8GB, DDR2 1066*/800 / 667 MHz, non-ECC, un-buffered memory
Dual channel memory architecture
* The chipset officially supports the memory frequency up to DDR3 1066MHz/DDR2 800. Due to the tuning by ASUS exclusive technology, this motherboard natively supports up to DDR3 1333/DDR2 1066MHz. Please refer to www.asus.com or user manual for Memory QVL

VGA

Intel® Graphics Media Accelerator 3100 integrated
High-definition video processing with a maximum resolution of  2048 x 1536 bpp @75  Hz
Maximum shared memory of 256 MB
Supports Microsoft® DirectX® 9, OpenGL® 1.5, Pixel Shader 2.0

Expansion Slots

1 x PCI-E x16
1 x PCI-E x4
2 x PCI

Storage

Southbridge
 - 4 x SATA 3.0 Gb/s ports
JMicron® JMB368 PATA and SATA controller
 - 1 x UltraDMA 133/100/66 for up to 2 PATA devices

LAN

Marvell88E8056® PCI-E Gigabit LAN controllers
PCIe Gb LAN controller featuring AI NET2

Audio

Realtek ALC 883, 8-channel High-Definition Audio CODEC
 - Support Jack-Sensing, Enumeration, Multi-streaming
 - Coaxial S/PDIF out ports at back I/O
 - ASUS Noise Filter

IEEE 1394

VIA VT6308S controller supports 2 x IEEE 1394a ports (one at midboard; one at back panel)

USB

12 x USB 2.0 ports (6 ports at mid-board, 6ports at back panel)

ASUS AI Lifestyle Features

ASUS AI Lifestyle Features:
 - AP Trigger
 - ASUS AI Gear2
 - ASUS AI Nap
 - ASUS Q-Fan
ASUS Crystal Sound:
 - ASUS Noise Filter
ASUS EZ DIY:
 - ASUS Q-Connector
 - ASUS CrashFree BIOS 3
 - ASUS EZ Flash 2

Overclocking Features

ASUS Super Memspeed Technology
vCore: Adjustable CPU voltage at 0.0125V increment
SFS (Stepless Frequency Selection)
 - FSB tuning from 200MHz up to 800MHz at 1MHz increment
- Memory tunning from 667MHz up to 1333MHz for DDR2
 - PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
Overclocking Protection:
 - ASUS C.P.R.(CPU Parameter Recall)

Back Panel I/O Ports

1 x PS/2 Keyboard
1 x Parallel port
1 x S/PDIF Out (Coaxial)
1 x IEEE1394a
1 x RJ45 port
6x USB 2.0/1.1
8-channel Audio I/O

Internal I/O Connectors

3 x USB connectors support additional 6 USB ports
1 x Floppy disk drive connector
1 x IDE connector
1 x COM connector
4 x SATA connectors
1 x CPU Fan connector
1 x Chassis Fan connector
1 x Power Fan connector
1 x IEEE1394a connector
Front panel audio connector
1 x S/PDIF Out Header
Chassis Intrusion connector
1 x AP Trigger connector
CD audio in
24-pin ATX Power connector
1 x 4-pin ATX 12V Power connector
System Panel(Q-Connector)

BIOS

8 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI 2.0a, ASUS EZ Flash 2, ASUS CrashFree BIOS 3

Manageability

WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE

O/S Compatibility

Windows Vista/XP

Accessories

UltraDMA 133/100/66 cable
FDD cable
2x Serial ATA cables
1 x 2-port Serial ATA power cable
I/O Shield
User's manual
3 in 1 Q-connector

Support CD

Drivers
ASUS PC Probe II
ASUS Update
Anti-virus software (OEM version)

Form Factor

uATX Form Factor, 9.6"x 9.6" (24.4cm x 24.4cm)