I have/had a similar issue with an 8600/250 that has an internal SCSI RAID and a FW/USB card in it. I always thought it was the SCSI card that was the cause of the problem. Perhaps not. On 12/14/04 9:46 AM, "Ted Burton" <egburton at cableone.net> wrote: > At 9:33 AM +0100 on 12/14/04, Antonino Cuscina' spoke about [X4U] PPC > 9600 issue thusly: > >> i have a problem with my PPC 9600/OS 9.1 and two firewire hds >> connected to it, that is, >> i can't copy files to and from the two firewire and the internal >> hds, i mean can transfer >> small files of say 4 kb like aliases but when i try to pass larger >> ones the copy window >> stuck and freezes the mac which i have to restart; i can copy files >> through the internal hds >> with no problem and the strange thing is that the same error comes >> also when i try to transfer >> files from one firewire hd to the second and vice-versa > > I once owned a G3/266 that has been handed off to a son at college, > and now use a G4 PowerBook. An external FW hard drive used with the > G3 misbehaved as you describe above. The FW ran off a PCI card with > USB and FW ports. With the G3, with which I used the FW drive for a > year or more, what you describe drove me up the wall. Under OS X the > behavior turned out to be a Finder crash. The chip set in the FW > drive turned out to be relevant as well in some chatter I was reading > at the time. An Oxford chip set was preferred. > > With my G4 PowerBook the external FW drive works like a charm. > > It strikes me as a hypothesis only, that the FW drive could send and > demand data too fast for the card to handle, or the card the same > with the PCI bus, somehow or other.