Motherboard for PC G31 1.G31+ ICH7, Socket 775 , 2.Support Pentium4 , core 2 duo , dual core, core 2 Quad Cpu, 3.FSB1333/ 1066/ 800MHZ, Dual Channel 4.Support 2× DDR2, 667/ 800 PCI 2x PCI, PCIE16x1 USB2.0× 8, 1000M Lan, 5.With AC97, 6 channel audio , SATA x 4, , 1x COM port, 1xLPT , 1x IDE , 1xFDD