Half size PCI card providing 1 RS232 and 1 RS422/485 serial port with 9 pin D connectors. On board zener diodes offer transient spike protection for the RS422/485 port. Autogating is provided for hassle free half duplex operations in any operating system. The megabaud data transfer rates and the 64 byte deep FIFO, guarantees uncompromising performance and fault-free use. The PCI RS232 & RS422/485 Velocity card uses the 16750 UART which is in 2 generations beyond the industry standard 16C550 UART. The UART clock can be set through software to provide maximum baud rates of either 921,600 baud, 460,800 baud, 230,400 baud or 115,200 baud (standard PC). 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!