Introduction This 2 Serial Port PCI card is the best solution for various industrial communication and automation applications. This Card provides two high performance 16c550-type UART compatible RS-232 serial ports. It is designed for PC, thin client or server to provide instant RS-232 serial port expansion via the PCI Bus. The card is fully PCI Plug-and-Play compatible and no IRQ and I/O address conflict problems Features PCI Specification Revision 2.1 compliant PCI 32-Bit 33 MHz Interface Fast data rates up to 1 Mbytes/sec Compatible with Standard 16C550 UART with 16-Byte Transmit-Receive FIFO DB9 serial port connector x 2 Drivers support for Windows 2000/NT 4.0 /XP 32-bit/XP 64-bit/Server 2003/Vista 32-bit /Vista 64-bit, Win 7 32-bit /Win 7 64-bit, Linux Package Contents PCIe Card Low profile bracket Driver CD User Manual