CPU

LGA775 socket for Intel® Core™2 Extreme/Core™2 Quad/Core™2 Duo/Pentium® dual-core/Celeron® dual-core/Celeron® processors
Compatible with Intel® 05B/05A/06 processors
Supports Intel® 45nm multi-core CPU

Chipset

Intel P45/ICH10R with Intel® Fast Memory Access(FMA) support

Front Side Bus

1600/1333/1066/800 MHz

Memory

4 x DIMM, max. 16GB, DDR2 1200/1066/800/667MHz, non-ECC, un-buffered memory
Dual channel memory architecture
*Refer to www.asus.com or user manual for the Memory QVL(Qualified Vendors Lists)
**When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended

Expansion Slots

2 x PCI Express 2.0 x16 slots, support ATI CrossFireX™ technology, at x8 link
(PCIe x16_1 blue, PCIe x16_2 black*)
1 x PCI Express x16 slot at max. x4 link(black)
2 x PCI Express x1 slots
2 x PCI slots
*PCI Express x16_2 slot (black at max. x8 link)

CrossFire

Support ATI CrossFireX™ technology, up to Quad CrossFireX

Storage

Southbridge
- 6 x SATA 3Gb/s
- Intel® Matrix Storage Technology with RAID 0, 1, 5, 10 support
Marvell 88SE6121
- 1 x UltraDMA 133/100/66 for up to 2 PATA devices
- 1 x External SATA 3Gb/s port (SATA On-the-Go)
Silicon Image Sil5723 (Drive Xpert technology)
- 2 x SATA 3Gb/s
- Supports EZ Backup and Super Speed functions

LAN

Dual Gigabit LAN controllers
Marvell 88E8056/88E8001® Gigabit LAN controller featuring AI NET2, Teaming and Redundant

Audio

ADI® AD2000B 8-channel High Definition Audio CODEC
- Support Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking
- Coaxial/Optical S/PDIF out ports at back I/O
- ASUS Noise-Filtering

IEEE 1394

LSI®L-FW3227 controller supports 2 x IEEE 1394a ports(one at mid-board; one at back panel)

USB

Max. 12 USB2.0/1.1 ports(6 ports at mid-board; 6 ports at back panel)

ASUS AI Lifestyle Features

ASUS Exclusive Features:
- ASUS 8-Phase Power Design
- Express Gate
ASUS Power Saving Solutions:
- ASUS EPU-6 Engine
- ASUS AI Nap
ASUS Quiet Thermal Solutions:
- ASUS Fanless Design: Heat-pipe solution
- ASUS Fanless Design: Stack Cool 2
- ASUS Fan Xpert
ASUS Crystal Sound:
- AI Audio 2
- ASUS Noise Filtering
ASUS EZ DIY:
- ASUS Drive Xpert
- ASUS DieHard BIOS
- ASUS Q-Shield
- ASUS Q-Connector
- AI Direct Link
- ASUS O.C. Profile
- ASUS EZ Flash 2
- Onboard Switch

Overclocking Features

ASUS AI Booster
Precision Tweaker 2:
- vCore: Adjustable CPU voltage at 0.00625V increment
- vDIMM: 64-step DRAM voltage control
- vChipset (NB): 55-step DRAM voltage control
- vCPUPLL: 64-step reference voltage control
- vFSB Termination: 40-step voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 200MHz up to 800MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 180MHz at 1MHz increment
Overclocking Protection:
- ASUS C.P.R.(CPU Parameter Recall)

Special Features

ASUS MyLogo 3

Back Panel I/O Ports

1 x PS/2 Keyboard/Mouse combo port
1 x Optical + 1 x Coaxial S/PDIF Output port
1 x External SATA port
1 x IEEE1394a port
2 x LAN (RJ45) ports
6 x USB 2.0/1.1 port
8-channel Audio I/O ports

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
1 x TPM connector
6 x SATA connectors (red)
2 x Drive Xpert SATA connectors (orange)
1 x CPU Fan connector
3 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
CD audio in
24-pin ATX Power connector
8-pin ATX 12V Power connector
Power on Switch
Reset Switch
System Panel (Q-Connector)

BIOS

16Mb AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.4

Manageability

WOL by PME, WOR by PME, WOR by Ring, Chasis Intrusion, PXE

Accessories

1 x UltraDMA 133/100/66 cable
1 x FDD cable
6 x Serial ATA cable
1 x 2-port Serial ATA power cable
1 x 2-port USB and 1-port 1394 (4-pin) module
1 x Q-Shield
1 x User's manual
1 x 3 in 1 Q-connector (Retail version only)

Support Disc

Drivers
Express Gate
ASUS PC Probe II
ASUS Update
ASUS AI Suite
Anti-virus software (OEM version)
Image-Editing Suite

Form Factor

ATX Form Factor, 12"x 9.6" (30.5cm x 24.4cm)