This PC card performs external equipment and a serial I/O card corresponding to PC Card Standard It is serial communication card on conformity CardBus. It can be used being able to insert in the PC card slot support to PC Card Standard CardBus. It has the serial port of one channel by one board. The Windows and the Linux driver attachment. It operates on Windows XP, Server 2003, 2000, Me, 98SE, 98, and Linux.