I think the Hardware Test CD identified it. If not, trial and error - take one module out at a time and see if it fixes the problem. Brett On Dec 19, 2004, at 3:21 AM, Stefan wrote: > Hi Brett, > > thanks for answering. > How did you identify which RAM-Module was the bad one? > > Stefan > >> Had the same problem - turned out to be bad RAM. What worked with the >> 450Mhz processor would not with a 1.2Ghz upgrade - removed the chip >> and all is well now. >> >> Brett > _______________________________________________ > Cube mailing list > Cube at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/cube > > -- BP