Foxconn G41MD BIOS A81F1P06 Intel® Core™2 Quad, Core™2 Duo, Pentium® Dual-Core ,Celeron®processors, Socket T (LGA775) Supports Intel® 45nm Multi-Core processors 1333/1066/800/533 MHz (FSB) Dual channel DDR3 1333(oc)/1066/800/MHz, 2 DIMMs, Max 8GB 1* PCIe x16, 2* PCI 3*SATAII ,1*ATA100 5.1 channel by Realtek IC, Gigabit LAN by Atheros IC 8 USB 2.0 ports Note: 1. If you use the FSB533 CPU, you should short the CPU_533 jumper pin1&Pin2 2. If you use the CPU is not FSB533, you should short the CPU_533 jumper pin2&Pin3