... -DIMM slot support DDR memory up to 1G Support 1 RS-232, 1 RS-485 serial port, and 2 USB 2.0 ports ... /104RTCEmbedded in ICH4Super I/O ChipIT 8712LED IndicationPower, harddisk, CF card, LAN indicationBatteryOn boardI/O I/O Interface1xIDE 2xUSB2.01x PS ... fire-wire1xLAN 1xVGA1x CFII1xLPT COM2 fast serial ports, COM1 supports RS-232,COM2 supports 485Fire wire3 high-speed 1394 fire-wireEIDESupports 44pin ...