860T Cooling problem

[RTHEANDE]

     Hi there,
     
     Anyone with a 860T (50 MHz) board. How hot is the CPU supposed to be? 
     Is extra cooling needed?
     
     My specific problem is that the kernel is _very_ unstable at normal 
     near idle operation. The CPU is not that hot - you can touch it 
     without problems. It looks like RAM problems, but when the CPU is 
     cooled down (cooling spray or _big_ heatsink), the problems go away.
     
     I have to mention that the CPU in question has suffered 5V Vcc for a 
     time by accident (shorted power planes...)
     
     The question: is it normal for these things to run hot and need 
     external cooling to work or has the 5V experience damaged it?
     
     TIA,
     
     Robin.

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