The majority of today's motherboards are not equipped with any RS-232 serial or parallel ports. With SUNIX MIO5479A Multi I/O board, users can add two RS-232 serial ports and one IEEE1284 parallel port to their system, allowing them to use serial and parallel devices further. The SUNIX MIO5479A is compatible with PCI Express x1, x2, x4, x8 and x16 lanes and PCI/PCI-x Bus, allowing the board to be installed in virtually any PC system. Furthermore, SUNIX MIO5479A Multi-IO card supports majority of the OS on the market. We provide driver support for Microsoft Windows 32/64-bit platform, Linux, making it the best and most economical solution for commercial and industrial applications.