Specifications SoC: DM&P SoC CPU Vortex86SX- 300MHz Real Time Clock with Lithium Battery Backup Cache: L1:16K I-Cache, 16K D-Cache Bus: 16-bit x-ISA interface BIOS: AMI BIOS System Memory: 32MB/64MB/128MB DDR2 on board Watchdog Timer: Software programmable from 30.5 to 512 seconds x 2 sets （Watchdog 1 fully compatible with M6117D） LAN: Intergraded 10/100M Ethernet Flash Disk Support: Onboard 2MB SPI Flash Disk （Optional） MSTI EmbedDisk Module （16MB and above） I/O Interface: Enhanced IDE port （UltraDMA-100/66/33） x1 RS-232 port x3 RS-232/485 port x1 USB port （Ver2.0） x2 Parallel port x1 32-bit GPIO port x1 10/100Mbps Ethernet port x1 Connectors: 2.0mm 44-pin box header for IDE x1 2.0mm 26-pin box header for Printer x1 2.0mm 20-pin box header for 16-bit GPIO x2 2.0mm 10-pin box header for RS-232 x4 2.0mm 10-pin box header for USB x1 2.5mm 5-pin box header for Keyboard x1 2.5mm 5-pin box header for Mouse x1 2.54mm 3-pin header for RS-485 x1 1.25mm 6-pin header for JTAG x1 External RJ-45 connector for Ethernet x1 Power Requirement: Single Voltage +5V @ 250mA Weight:76g Board Size: 100 X 66mm （3.94 x 2.6 inches） Operating Temperature:-40℃ ～ +85℃