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

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

1600 / 1333 / 1066 / 800 MHz

4 x DIMM, max. 16GB, DDR2 1200 / 1066 / 800 / 667 MHz, non-ECC, un-buffered memory
Dual channel memory architecture
*Refer to www.asus.com or this 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.

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

Southbridge
- 6x SATA 3Gb/s 
- Intel® Matrix Storage Technology with RAID 0, 1, 5 10 support
Marvell 88SE6111
- 1 x UltraDMA 133/100/66 for up to 2 PATA devices
Silicon Image Sil5723 (Drive Xpert technology)
- 2 x SATA 3Gb/s 
- Supports EZ Backup and Super Speed functions
*Drive Xpert function is available only when the hard disk drives are set as data drives.

PCIe Gb LAN controller featuring AI NET2

Realtek ALC1200, 8-channel High Definition Audio CODEC
- Support Jack-Detection, Multi-streaming, Front Panel Jack-Retasking
- Coaxial S/PDIF_OUT ports at back I/O
- ASUS Noise-Filtering

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

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

ASUS Power Saving Solution
- ASUS EPU 6-Engine 
- ASUS 8-phase Power Design
- AI Nap
ASUS unique Features:
- ASUS Express Gate 
- AI Direct Link
ASUS Quiet Thermal Solutions:
- ASUS Fanless Design: heat pipe solution
- ASUS Fan Xpert
ASUS EZ DIY:
- ASUS Drive Xpert
- ASUS Q-Shield
- ASUS Q-Connector
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2

ASUS AI Booster 
Precision Tweaker 2: 
- vCore: Adjustable CPU voltage at 0.00625V increment
- vDIMM: 64-step DRAM voltage control
- vChipset: 55-step Chipset voltage control
- vCPU PLL: 64-step CPU PLL voltage control
- vFSB Termination: 15-step reference voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 200MHz up to 800MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to180MHz at 1MHz increment
Overclocking Protection:
- ASUS C.P.R.(CPU Parameter Recall)

ASUS Mylogo2

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

3 x USB connectors support additional 6 USB ports
1 x Floppy disk drive connector
1 x IDE connector
1 x TPM connector
1 x COM connector
6 x SATA connectors (red)
2 x Drive Xpert SATA connectors (orange and white)
1 x CPU Fan connector
2 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
System Panel(Q-Connector)

8 Mb AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 2.4, ACPI 3.0

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