1.PCI-Express 4-Port RS-232 Serial Card 2.Moschip 9904 Chipset 4-port Serial PCI-Express Controller Card (RS232, DB9)PicturePicture PCI Express:Fully compliant ... ControlSupports Hardware, Software flow control5, 6, 7, 8 and 9-bit Serial format SupportEven, Odd, None, Space & Mark parity supportedCustom BAUD Rates ...