MB6831 ia a Pentium II processor-based AGP motherboard with an accellerated graphics port. It supports 66 Mhz/133Mhz graphic card, has an on-board I/O controller and includes 1 floppy port, 2 serial ports, one parallel port, IRDA TX/RX header, system health monitor, USB connectors, built-in voltage regulator, 168-PIN DIMM X 4, primary and secondary PCI IDE ports.