ARM9 Embedded Industrial Mainboard 1.RISC CPU 200MHZ 2.32M FLASH, 64SDRAM 3.property rights ... Ports♥User Storage: Support USB Disk, CF Card♥USB: 1 USB Slave/1 USB Host♥Parallel Port: 25 PIN Parallel Port♥Ethernet: 10/100M♥Clock: Realtime Clock ... Support: RS232/RS422/RS485, USB Host Driver/USB Device, CF Card Driver♥PLC Drivers: MODBUS, PROFIBUS, OPC, Siemens, Omron, Delta, Shcneider ...