CPU Socket 939 for AMD® Opteron™/Athlon™ 64 FX/ Athlon™ 64 X2/ Athlon™ 64
AMD64 architecture enables simultaneous 32-bit and 64-bit computing
AMD Cool ‘n’ Quiet!™ Technology
AMD HyperTransport Technology
Chipset ATI™ CrossFire™ Xpress 3200/ULI M1575
Front Side Bus 2000/1600 MT/s
Memory 4 x DIMM, max. 4GB, DDR 400/333/266, ECC and non-ECC, un-buffered memory
Dual Channel Memory Architecture

Expansion Slots 2 x PCI Express x16 slot with CrossFire support at full x16, x16 mode
1 x PCI Express x1
3 x PCI
CrossFire Support ATI CrossFire graphics cards (both at x16 mode)
Storage/RAID ULi M1575 South Bridge:
– 2 x UltraDMA 133/100/66/33
– 4 x Serial ATA I/II 3.0Gb/s with RAID 0, 1, 0+1, 5 and JBOD support

Silicon Image® 3132 SATA controller supports
– 1 x Internal Serial ATA 3 Gb/s hard disk
– 1 x External Serial ATA hard disk (SATA On-the-Go)
– Support RAID 0, 1
Audio Realtek ALC882 8-channel CODEC
Universal Audio Jack
Coaxial / Optical S/PDIF out ports on back I/O
LAN Marvell 88E8053 PCIe Gigabit LAN Controller, featuring AI NET2
Marvell 88E8001 Gigabit LAN Controller, featuring AI NET2
IEEE 1394a TI® 1394a controller supports:
– 2x IEEE 1394a connectors at midboard
USB Max. 8 USB 2.0/1.1 ports
ASUS AI Lifestyle Features Stack Cool 2
SATA on the Go (External SATA on back I/O port)
Overclocking Features Intelligent overclocking tools:
– AI NOS™ (Non-delay Overclocking System)
– AI Overclocking (intelligent CPU frequency tuner)
– ASUS PEG Link – Automatically performance tuning for single/dual graphics cards

Precision Tweaker:
– vDIMM: 12-step DRAM voltage control
– vCore: Adjustable CPU voltage at 0.025V increment
– vNB:Northbridge provides independent voltage adjustment at 0.1 V increment for core power,HT bus and PCI Express bus.

SFS (Stepless Frequency Selection)
– FSB tuning from 200MHz up to 400MHz at 1MHz increment
– PCI Express tuning from 100MHz up to 150MHz at 1MHz increment

Overclocking Protection:
– ASUS C.P.R.(CPU Parameter Recall)
Special Features ASUS MyLogo2
Multi-language BIOS
CrashFree BIOS2
ASUS Q-Fan2 Technology
Back Panel I/O Ports 1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x Parallel
1 x Coaxial S/PDIF Out
1 x Optical S/PDIF Out
1 x External SATA
2 x RJ45
4 x USB 2.0/1.1
8-Channel Audio I/O
Internal I/O Connectors 2 x USB 2.0 connector supports additional 4 USB 2.0 ports
2 x IEEE1394a connectors
5 x SATA connectors
2 x IDE connectors
1 x Floppy disk drive connector
1 x GAME/MIDI connector
1 x CPU/ 2 x Chassis/ 1 x Power FAN connectors
1 x COM connector
24-pin ATX Power connector
4-pin ATX 12V Power connector
Chassis Intrusion
CD audio in connector
Front panel High Definition Audio connector
System panel connector
BIOS 8Mb Flash ROM, AMI BIOS, PnP, DMI2.0, SM BIOS 2.3, WfM2.0
Manageability WfM 2.0,DMI 2.0,WOL by PME,WOR by PME, Chassis Intrusion, PXE and RPL
Form Factor ATX Form Factor, 12″x 9.6″(30.5cm x 24.5cm)




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