On Nov 26, 2004, at 1:54 PM, Thomas Lane wrote: > I had to have the motherboard replaced in my G5 1.8 single processor > machine a few months ago. Since then, it doesn't show the serial > number in the Apple Profiler anymore, either. I called Apple about > that and the support person on the phone said there is nothing that > can be done about that. Is that accurate? I don't know. But I do know that there are incidents where a replaced mobo does return the serial number. working...