On Aug 23, 2008, at 11:35 AM, Jonathan MIller wrote: > I just inherited an old Power Mac G4 Mirrored Drives model. Has > 10.4 on it. No airport card in it. Need to connect to my home > 802.11 net. Ordered the Airport Extreme Card but doesn't seem to > fit. Either I need the original old 802.11b Airport Card or an > adapter of some kind. Does anyone know for sure? The Setup Manual for the MDD PowerMac G4 has a section on Airport connectivity. If you do not have the manual, it can be readily downloaded through the following Apple Support document: <http://docs.info.apple.com/article.html?artnum=50018> I believe that you will need the original Airport Card.