On mer, 2003-12-31 at 10:40, Colin Charles wrote: > If I get an iBook G4 with the Airport Extreme card, can I just replace > it with an Airport card and it'll work? Not at all. These are *physically* different. Look at : http://www.apple.com/airport/specs.html They definitely don't look the same. Airport is PCMCIA format while Airport Extreme is Mini-PCI. Hub