CPU

• Supports 64-bit AMD® Opteron™, Athlon™ 64 X2 Dual Core, Athlon™ 64 FX, Athlon™ 64 processor (Socket 939)
• Supports up to 3500+, 3800+ Athlon 64 FX 53, or higher CPU

Chipset

• NVIDIA® nForce4 Ultra Chipset
- HyperTransport link to the AMD Athlon 64/Athlon 64 FX CPU
- HyperTransport supporting speed up to 1GHz (2000MT/s)
- Supports PCI Express x16/x1 interface
- Two independent SATA controllers, for four drives
- Dual Fast ATA-133 IDE controllers
- IEEE 802.3 NVIDIA MAC for 1000BASE-T

Main Memory

• Supports dual channel DDR 266/333/400Supports dual channel DDR 266/333/400, using four 184-pin DDR DIMMs.
• Supports a maximum memory size up to 4GB without ECC.
• Supports 2.5v DDR DRAM DIMM.

Slots

• One PCI Express x16 slot (supports PCI Express Bus specification v1.0a compliant)
• One PCI Express x4 slots (support PCI Express x2 only)
• One PCI Express x1 slots (support PCI Express Bus specification v1.0a compliant)
• Four 32-bit v2.3 Master PCI bus slots (support 3.3v/5v PCI bus interface). 

On-Board IDE

• An IDE controller on the NVIDIA nForce4 Ultra chipset provides IDE HDD/CD-ROM with PIO,
   Bus Master and Ultra DMA133/100/66 operation modes.
- Can connect up to 4 IDE devices

On-Board SATA

• NV RAID supports 4 SATA II ports(SATA 1 to 4). Transfer rate is up to 300MB/s.

NV RAID (Software)
• Supports up to 4 SATA and 4 ATA133 Hard drives
- RAID 0 or 1, 0+1, JBOD is supported
- RAID function available for ATA133+SATA H/D drives

Silicon image's SATARAID5™ (Software)
• RAID 0 or 1, RAID5, RAID10, and JBOD groups are supported
• Support up to 4 SATA devices connected to a single controller

Audio

• 7.1 channel audio codec RealTek ALC850.
- Compliance with AC97 v2.3 Spec.
- Meet PC2001 audio performance requirement.

LAN

• Supports dual LAN jacks
- 1 LAN supports 10/100/1000 Fast Ethernet by Marvell 88E1111 PHY
- 1 LAN supports 10/100/1000 Fast Ethernet by Marvell 88E8053

IEEE1394

• VIA 6307 chipset
- Supports up to two 1394 ports. (Rear panel x1, pinheader x1)
- Transfer rate is up to 400Mbps

On-Board Peripherals

On-Board Peripherals include:
- 1 floppy port supports 1 FDD with 360K, 720K, 1.2M, 1.44M and 2.88Mbytes
- 1 serial port
- 1 parallel port supports SPP/EPP/ECP mode
- 1 Audio jack(5-in-1), coaxial/fiber SPDIF out
- 1 IrDA pinheader
- 1 D-Bracket2 pinheader
- 10 USB 2.0 ports (Rear x 4 / Front x 6)
- 2 RJ45 LAN jacks
- 2 IEEE 1394 connectors (Rear x 1/ Front x 1)

BIOS

• The motherboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and
   expansion cards of the board automatically.
• The motherboard provides a Desktop Management Interface(DMI) function which records your
   motherboard specifications.

Dimension

• 30.4cm(L) x 24.4cm(W) ATX Form Factor

Mounting

• 9 mounting holes.