7. Getting really hot

Max temperature 93C and still climbing ...

Either Temperature Monitor and other independent applications are wrongly calibrated, as also fan speed reading applications, or this Early 2009 Mac Pro dual is seriously overheating and had a mysterious audio app problem.

Turbo boost bug?

SMC/MacOS bug?

According to Intel Xeon Processor 5500 Series Thermal/Mechanical Design Guidelines, max temps are lower 70C.

 

See Intel web site: Assets/en_US/PDF/designguide/321323.pdf

 

Are there going to be a rash of 09MP CPU failures in future.

Done