PC CHIPS M811 Socket A AMD XP DURON SEMPRON ATHLON MOTHERBOARD MB Processor - One Socket A supports  AMD Athlon/Duron/Sempron processor at 200/266MHz FSB Chipset - KT266A Northbridge and VT 8235 Southbridge chipse LPC I/O - ITE IT8705Ft Audio - AC '97 Codec VT1612 - Memory - 2 DDR DIMM Sockets - Two 184-pin 2.5V DDR SDRAM (200/266) Maximum: 2GB - Expansion Slots - 5 PCI slots,1 AGP(4x), 1 CNR slot Form Factor & Layers - ATX (305mm*190mm)