Foxconn MARS BIOS 752F1P16 Intel® CoreTM2 Extreme,CoreTM2 Quad, CoreTM2 Duo, Pentium® Dual-Core processors, Socket T (LGA775) Supports Intel® next generation 45nm Multi-Core processors 1600(oc**)/1333/1066/800 MHz (FSB) Dual channel DDR2 1066(oc**)/800/667 x 4 DIMMs, Max. 8GB 2* PCIe x16, 2* PCIe x1, 3* PCI 1* ATA133 , 2* 1394a, 6* SATA II, 1* eSATA 7.1 channel Audio, Realtek® ALC888 Gigabit LAN, Realtek® RTL8111B 12 USB 2.0 ports