TECH SPECS:-

Processor
Dual LGA771 sockets
Supports up to two Intel Xeon Woodcrest Processors( 5000/5100 Series Dualcore); Clovertown Processors (5300 Series, Quadcore); Wolfdale-DP Processors (45nm, dual-core); Harpertown Processors (45nm, quad-core)
processors
1.33 / 1.06GHz FSB
VRD 11.0

Chipset
Intel 5400 MCH + 6321ESB Chipset
Support for 1.33 / 1.06GHz FSB
Winbond W83627EHG Super I/O Chip

Memory
Eight 240-pin DDR2 FB-DIMM sockets
4 memory channels
Supports ECC DIMMs
Maximum of 64/32 GB DDR2-533/667

Expansion Slots
Two (2) PCI Express x16 slots (from MCH, PCI-E Gen2)
One (1) PCI Express x8 slot (x8 signal from 6321ESB)
Two (2) PCI-X 133/100MHz slots from 6321ESB
One (1) PCI 32-bit 33MHz slot
Total six expansion slots
Supported PCIe Add-On Cards.



Back Panel I/O ports
Stacked PS/2 keyboard and mouse connectors
One SPDIF in/out
Stacked Serial (one) and parallel (one) connectors
Two stacked dual USB ports w/ GbE RJ-45 connectors
FireWire (1394a) connector
Stacked Line-in, Line-out, Mic-in audio connectors

System Management
ADI Hardware Monitor with PECI circuit
CPU thermal & voltage monitor support
Five (5) fan headers (4-pin configuration)

Power
EPS12V/SSI (24+8+4X1 pin) power connectors
Note: If Slot6 (PCI-E X16 slot, the one closest to the memory slots) is used, 4X1 pin power connector must be plugged in)
Integrated LAN Controllers
Intel Gigabit from 6321ESB (w/ dual ports "Gilgal" 82563)
Two RJ-45 ports with LEDs

Integrated PCI 1394
TI TSB43AB22 1394a controller
1394a channel for rear (connector)
1394a channel for front (header)
Integrated Audio
HDA link
RealTek ALC888 controller (High Definition Audio)
Line-in, Line-out, Mic-in rear ports
Front panel audio header
CD-in, Aux headers (4-pin configuration)
SPDIF in/out connector in rear