Main View Part Number: 4006188RECS 945GCT-M3 Motherboard ECS 945GCT-M3 motherboard features the following: Intel® chipset consisting of the following: Intel Northbridge: NG82945GC Intel Southbridge: FW82801GB Support for Intel LGA775 processors with host bus speeds of 533 or 800 MT/s Two memory slots support 240 Pin DDR2 400/533/667 MHz dual-channel modules Three add-in card slots: One PCI Express ×16 One PCI Express ×1 Two PCI Slots Integrated REALTEK RTL8100C LAN Item Description Item Description A Rear panel ports M Aux-In connector B Processor core power connector N Front panel audio connector C Processor socket O SPDIF-Out connector D CPU fan connector P COM2 serial connector E Memory slots Q BIOS protection jumper F ATX power connector R USB 2.0 connectors G Floppy disk drive connector S JLPC connector H Parallel ATA IDE connector T Front panel connector I System fan connector U SATA connectors J PCI Express x16 connector V EL connector K PCI Express x1 connector W Clear CMOS jumper L PCI conventional connectors X Battery