4 Port PCIE Serial Expansion Card MiniPCIE CH384L 4S DB 9 RS232 8Mbps Plug and Play PCIE Serial Card for Windows for Linux Item Type: 4 Port PCIE Serial Expansion Card Material: PCB Riser Card Interface Type: MiniPCIE Operating System: For Windows 98SE, for ME, for NT 4.0, for 2000, for XP, for Vista, for Server2003, for Win 7, for Linux Serial Port Specifications: 1. Completely Independent 4 Asynchronous Serial Ports, Compatible with 16C550, 16C552, 16C554 and 16C750 and Enhanced 2. Supports 5, 6, 7 or 8 Data Bits and 1 or 2 Stop Bits 3. Support Odd, Even, No Check, Blank 0, Flag 1 and Other Check Methods 4. Programmable Communication Baud Rate, Support 115200bps and Communication Baud Rate Up to 8Mbps 5. Built in 256 Byte FIFO Buffer, support 4 FIFO Tigger Levels 6. Support MODEM modem signal CTS, RI, DCD, DTR, RTS, can be converted into RS232 level 7. Support Hardware Stream Control Signal CTS and RTS Automatic Handshake and Automatic Transmission Rate Control, Compatible with TL16C550C 8. Support Serial Frame Error Detection, Support Break Line Interval Detection 9. Support Full Duplex and Half Duplex Serial Communication 10. Serial port 0 has built in SIR infrared codec, supports IrDA infrared communication with baud rate from 2400bps to 115200bps 11. Support external CH438 chip to expand other 8 to 24 asynchronous serial ports to realize PCIE eight serial ports and PCIE twenty eight serial ports