Permanent damage? Hard to tell but if you caught the problem early you probably saved the CPU.
Here are the results of some personal testing I did some ago.

Threshold of pain 43 - 49 degrees C
Threshold of PCB board browning                54 - 60
Threshold of permanent damage to CPU    170
Threshold of solder melt                                 270

Declan Moriarty wrote:

I have this fancy pinpoint machine from Diagnosys. Recently it is acting
up (failing selftest) and I have just burned my hand from the cpu
heatsink :-(. One way of finding faults :-/.

Would I have done permanent damage to the cpu, and how might I check?
Inspect for obvious signs of melt down? Reseat in socket. Turn it on?

It's an industrial pc card with windows 98. Windows boots, but self test
on the pinpoint fails.





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Author: Fred Townsend
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