I'm hoping I figured it out. I have an array of FW800 drives connected through an expensive hub (Nitro AV). When one drive has an error (simply needed mending through disk utility), I could not write to the other drives. So far, after fixing the one drive, I'm not getting the error on the others. David On Apr 26, 2006, at 2:13 PM, John McGibney wrote: > Its an I/O error. The computer can't write data to the drive. > Either the data cable is bad or the Firewire drive enclosure may > need a firmware upgrade. > > John > > On Apr 26, 2006, at 1:02 PM, David DelMonte wrote: > >> Anyone knows what this means. I get trying to copy to an external >> FW drive. I've checked the drive with Drive Genius and Disk >> Utility and both report the drive is ok, >> >> Thanks >> >> David >> _______________________________________________