Audio ac97 3d 5.1-ch / spdif audio interfacechipset intel 845g series (gv/ge) gmch and 82801db ich4cpu socket 478 supports intel mpga478 pentium 4 / celeron cpu @ 533/400 mhz fsbdrive interface 1 gb ddr200/266 sdram (lv-670) or ddr266/333 sdram (lv-670ge)expansions one pci slot up to 2 bus master pci expansive slots via riser cardform factor mini-itx @ 170 x 170 mmi/o chipset ieee 1394 interface with 100/200/400 mbps of data transfer rateide dual channels support 4 atapi devices up to ultraata/100 with 100mbps of data transfer rate. one 40-pin and one 44-pin ide port for both of desktop and slim type atapi devices.interrupts one serial port, parallel port, fdd, irda, ps/2 keyboard and mouse portlan intel pro/100+ 10/100 mbps fast ethernet interfacepower requirement pentium 4 additional +12v power free for standard atx power supplyssd ide-based diskonmodule with up to 256 mbytes of flash memory capacitytv-out tv-out interface with av and s-video outputusb hi-speed usb 2.0 interface with up to 480 mbps of data transfer ratevga intel 845g (gv/ge) gmch built-in intel extreme graphics with 266 mhz vga core, 256-bit 3d engine and dynamic video memory