This half size card provides 4 industry standard RS232 serial COM ports in a single PCI slot. A fully moulded Quad cable terminated in four 25 pin male ‘D’ plugs ensures neat & easy connections. The fast UART and line drivers give a guaranteed maximum speed of 230,400 baud. Serial Solutions Device Driver CD contains software for Windows 7, Server 2008, Vista, Server 2003, XP, 2000, Millennium, 98, 95, NT4, Windows 3.x, DOS and OS/2. Informative manuals and sample programs are supplied with full source code on CD!