I want to buy a 2.5" external harddisk to make use of Time Machine for my Master degree. But I'm struggling between Firewire 400 and 800. Currently I own an old iBook G4 but maybe in the not so ...

Resetting the PMU for FireWire 400 problems We are now hearing reports that a workaround we previously noted for fixing non-functional FireWire ports under Mac OS X 10.2.4 may also be applicable for ...

My iMac (new, 3.06 GHz 24") has a FW 800 and a FW 400. I have heard they share the same bus, which, like my MBP, I understand to mean that if there is a FW 400 device attached, it slows FW 800 to 400.

We've received a couple of comments about using many FireWire devices at once. A recent note from reader Peter says: I have a G5 2G and five external drives and two internal. One of the external drive ...