Complant with PCI Local Bus Specification Revision 2.3Supports 8 x UART serial portData transmission speed up t0 921 .6 Kbps Surge Protection and Optical lsolation1/0 Controller: -In eight improved 16C550 UART with 256- Deep FIFOBy using automatic data transfers and assign & l/O address.Support share for PCI.No need switches and jumpers, all the settings will be done by softwareOn-chip hardware control resistors data integritySystem RequirementsWindows DOS LINUX2.4 LINUX2.6 WIN98 WIN2000 WINXP32/64 WIN2003 VISTA WIN2008 WIN7Available PCI slotColour:black+greenMaterial:Plastic + MetalPackage Contents:1 x PCIE Adapter Card1 x Serial Port CableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.