On Jul 25, 2004, at 01:00, Mike Senn wrote: > I have a G4 933 and it does the same thing. I've added about 1Gig of > PC 133 RAM, and it's registering it as PC 100, but I thought this was > a known bug with OS X? or Panther at least ? It's a bug in System Profiler. It's cosmetic, though. Your RAM will work as PC133 anyway. Scott