I can't claim direct experience, but this seems like hooey to me. When an application accesses a device on the FireWire bus, I doubt it can even tell which port it's connected to. Even though a machine may have 2 (or more) ports, I believe it's all the same logical bus. On Saturday, Jul 26, 2003, at 05:23 US/Pacific, Macintosh Digital Video List wrote: > When connecting the camera, the computer, and the external FW drive, > make > sure you are daisy chaining them. Computer to harddrive to camera. > This is important on desktop machines, which have 2 FW ports. > You only want to use one FW port when working with video editing > applications.