description msi intel g31 lga775 matx core2quad/duo fsb1333 core2quad/duo fsb1333 2xddrii 800 1xpci-ex16, vga, 2xpci, 1xata100, 4xsataii , 10/100 lan,8 ch hd audio proc: intel core 2 quad, core 2 duo, pentium & celeron in lga775 package chipset: intel g31 chipset mem : 2 x unbuffered dimm of 1.8 volt ddr2 sdram 800mhz, max up to 4gb mem comm: 10/100 lan on-board ide : 1xata100 on-board sata: 4xsataii audio: chip integrated by realtek alc888, flexible 7.1-channel audio with jack sensing slots: 1 x pci express x16 slot (pci express bus spec v1.0a compliant) 2 x pci slots (support 3.3v/ 5v pci bus interface) ports: 1 x ps/2 keyboard, 1 x ps/2 mouse 1 x parallel port, 1 x serial port (com 1) 1 x graphics card port, 4 x usb 2.0 ports 1 x rj45 lan jack mounting: 6 mounting holes dim: 244(l) x 193 mm (w)