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