· LGA775, Intel Core 2 Extreme / Core 2 Quad / Core 2 Duo /Pentium Dual-Core / Pentium EE / Pentium D /Pentium 4 / Celeron 400 with 45nm · Intel Q35 + ICH9DO + FWH with 800/1066/1333MHz · Dual Channel DDRII 667/800/1066 up to 4GB · 1 x Intel PCI-E Gigabit Ethernet · 2 x Serial Ports, 6 x USB2.0 >> System Processor LGA775, Intel Core 2 Extreme / Core 2 Quad / Core 2 Duo /Pentium Dual-Core / Pentium EE / Pentium D / Pentium 4 / Celeron 400 with 45nm Chipset Intel Q35 + ICH9DO + FWH with 800/1066/1333MHz DRAM 2 x 240PIN Dual Channel DDRII667/800/1066 max up to 4GB BIOS Award BIOS BUS PICMG 1.0 Power Supply Support ACPI V2.0 specification Watchdog 1~255 sec Watchdog timer selectable w/Reaset/NMI Dimension 338.58mm x 122mm >> I/O Ports HDD 4 x SATA-II interface support RAID 0/1/5/10 1 x Compact Flash socket Serial Port 2 x Serial Ports, COM 1 for RS232, COM2 for RS232/422/485 Parallel 1 x Parallel Audio Intel HD audio codec Keyboard/Mouse 1 x mini-DIN port for PS/2 Keyboard and Mouse LAN 1 x Intel PCI-E Gigabit ethernet connector USB 6 x USB2.0 IrDA 1 x IrDA (SIR) >> Display Graphics Intel Graphic Media Accelerator X3100 >> Environment Operation Temperature 0°~60°C (32°~140°F) Humidity 10~90%