*Description: PCI-bus high-speed single serial port.*Type Slot: 32-bit PCI bus*Port Type: RS232 serial port -One 9-pin Serial Port -Built in high-speed 16550 UART with 16-byte transmit/receive FIFO buffers* OS Support: DOS/Windows/3.1,95,98,NT* Regulatory Approval- FCC DoC- IO1829* Warranty- 5 years