Product Description Socket 478. Supports P4 processors up to 2.0 GHz. SiS 650 (North Bridge) Chipset & 961 (South Bridge). FSB 400 MHz. 2 x DDR DIMM Sockets, Max. 2GB unbuffered system memory. 3 x PCI 1 x AGP 4X Expansion Slots. Audio, video, LAN onboard. Micro ATX Form Factor.