> As for the eMac I had, I am sure it had a PCMCIA slot inside [...]. I [...] clearly saw,
> removed and re-installed the Airport card that was inside of it. It was identical to
> the Airport card that I currently have inside my non-FW800 G4 PowerMac, so it
> was not an Airport Extreme. I can't explain the difference between my system
> and the documentation on Apple's support site and the wiki you linked to.

Seems this will remain a mystery then.