1,Support 32Bits 33MHz PCI Interfacing 2,Compliant with 1394 OpenHCI Specification V1.2 PCI 1394B 1,Support 32Bits ... 33MHz PCI Interfacing2,Compliant with 1394 OpenHCI Specification V1.23,Full Backward compatible to FireWire 400 1394a specification4,Support 800/ ... 1394a (6pins) connectors6,Driver supported MS Windows 98/98SE/ME/2000/XP/XP 64-bit/VistaPCI 1394B PCI TO 1394 3PORTS FIREWIRE CARD