Asus P4SD Socket 478 i865GV mATX Motherboard General Features: Intel 865GV Northbridge chipset Intel ICH5 Southbridge chipset Socket 478 mATX form factor Supports up to 4 GB DDR RAM (DDR400/350/333/266) Realtek ALC650 6-channel AC'97 audio codec Realtek RTL8101L 10/100 Ethernet LAN Intel Extreme Grapics 2 onboard video technology Two (2) IDE controllers One (1) floppy controller Expansion Slots: Three (3) PCI slots Four (4) 184-pin DIMM sockets I/O Ports: Two (2) PS/2 ports One (1) 9-pin serial port One (1) 15-pin VGA Dsub connector One (1) 25-pin parallel port Four (4) USB 2.0 ports (two rear, two via internal header) One (1) RJ-45 Ethernet jack Line-in, line-out and microphone jacks Supported Processors: Intel Pentium 4 and Celeron Socket 478 800/533/400 MHz FSB Supports Hyper-Threading Technology Northwood support Regulatory Approvals: FCC CE