CPU support LGA775-based Celeron, Pentium 4/D, Core 2 processors
North bridge Nvidia nForce 680i SLI SPP
South bridge Nvidia nForce 680i SLI MCP
Interconnect HyperTransport (8GB/s)
Expansion slots 3 PCI Express x16
1 PCI Express x1
3 32-bit/33MHz PCI
Memory 4 240-pin DIMM sockets
Maximum of 8GB of DDR2-533/667/800 SDRAM
Storage I/O Floppy disk
1 channel ATA/133
6 channels Serial ATA with RAID 0, 1, 0+1, 5 support
2 channels Serial ATA with RAID 0, 1 support via Gigabyte SATA2
2 channels Serial ATA with RAID 0, 1 support via Gigabyte SATA2
Audio 8-channel HD audio via nForce 680i SLI MCP and Realtek ALC888DD codec
Ports 1 PS/2 keyboard
1 PS/2 mouse
1 serial
4 USB 2.0 with headers for 6 more
1 1394a Firewire via Texas Instruments TSB43AB23 with headers for 2 more
2 RJ45 10/100/1000
1 RJ45 10/100/1000 via Marvell 88E8052
1 RJ45 10/100/1000 via Marvell 88E8056

1 analog front out
1 analog bass/center out
1 analog rear out
1 analog surround out
1 analog line in
1 analog mic in
1 coaxial digital S/PDIF output
BIOS Award
Bus speeds FSB: 100-650MHz in 1MHz increments
DRAM: 400-1400MHz in 3MHz increments
PCIe1: 100-150MHz in 1MHz increments
PCIe2: 100-150MHz in 1MHz increments
PCIe3: 100-150MHz in 1MHz increments
Bus multipliers CPU: 6x-10x (Core 2 Duo E6600)
LDT: 1x-5x
Voltages CPU: 0.6875-2.375V in 0.025V increments
DRAM: +0.025-0.775V in 0.025V increments
NB: +0.05-0.2V in 0.05V increments
SB: +0.05-0.55V in 0.05V increments
FSB: +0.05-0.35V in 0.05V increments
HT: +0.05-0.35V in 0.05V increments
SB Standby: +0.1-0.2V in 0.1V increments
Monitoring Voltage, fan status, and temperature monitoring
Fan speed control CPU, system