Bobby, Airport Extreme does not work in older G4s. You'll need the original Airport card if you want to use the provided slot. If you really need/want to use 802.11g speeds, you'll need to go the USB or PCI adapter route. Rick On Jan 4, 2007, at 3:46 PM, Bobby Wade wrote: > Hello all, > > I am writing to ask if there is an > illustration/graphic which depicts the proper method > and place to install an Airport Extreme card on g4 > 400MHZ silver and blue tower? I am actually looking > for a second depiction to give me perhaps a second > opinion; the first was from the Support section on > Apple's site.