On 5/3/06 7:48 AM, "Jim Elmore" <jelmore at elmoredesign.com> wrote: > I had random freezes with a dual G4. Apple replaced the CPUs under > warranty, but it took a bench tech to determine that it was a > hardware failure. Does anyone think the alternating System usage pulses to 30-35% at a periodicity of 18 seconds per processor could be normal? Is there any activity that the system would do at this frequency? Jim Robertson --