This card provides 1 industry standard 9 pin RS232 serial COM port in a single low profile PCI slot. As PCI is fully Plug & Play compatible the operating system or BIOS automatically configures the card ensuring conflict free installation.<br /><br />Intashield offers a good serial connection at a great price. Many applications just need a simple reliable serial connection no high baud rate or powered cards no opto-isolation no custom options or alternative connectors simply fit and forget RS232 serial.