USB 1.1 and 2.0 compatible.FireWire 800(1394b) to FireWire 400(1394b) connector adapter The device must have a 1394 driver installed. USB can't connect directly to the computer. Firewire 1394 6 Pin Female to USB 2.0 Male Adapter Converter.This adapter must be used in conjunction with the 1394 cable of the machine.