... , USB 2.0, HD AUDIO, two 10M/100/1000Mbps Ethernet, CF card slot, fast serial ports, and so on. On-board LVDS connector ... ports, 3 RS-232, 1 RS-485/485/422 optional PC/104+ Expansion Interface 1 SATA harddisk and 1 CF socketSpecificationsGeneral ... x CFII1 x AudioUSB4 USB 2.O, support USB bootingCOM4 fast serial ports, COM1 to COM3 supports RS-232,COM4 supports ...