Supports AMD Athlon XP Athlon/Duron/Barton CPUs with frequency at 200/266/333/400 MHz in Socket A for Full Size ATX Form Factor.Provides 2 DDR DIMM for DDR400/333/266/200 modules and memory size is expand up to 2GB.Provides one 8X AGP slot one CNR slot Five 32-bit PCI slots; DirectSound CMI9739A Codec on board for Audio and Modem applications support 6 Channel speaker.SiS963L provides 6 USB2.0 ports. (4 rear panel ports and 2 back panel ports)10/100Mbps Fast Ethernet LAN on board supports IEEE 802.3 and 802.3u standards and fully compliant ANSI X3.263 TP-PMD physical sub-layer.