Foxconn P31A-S BIOS 776F1P08 Intel® Core™2 Quad, Core™2 Extreme, Core™2 Duo, Pentium® Dual-Core, Pentium® D, Pentium® 4, Celeron® processors, Socket T (LGA775) Supports Intel® next generation 45 nm multi-core CPU 1333/1066/800 MHz (FSB) Dual channel DDR2 1066(oc*)/800/667 x 2 DIMMs, Max. 4GB 1 x PCIe x16, 2 x PCIe x1, 3 x PCI ATA x 1, SATA II x 4 7.1 channel Audio, Realtek® ALC888 GbE LAN, BCM5786 8 USB 2.0 ports