-=> MATT MC_CARTHY wrote to WAYNE CHIRNSIDE <=-


 WC> I was thinking about a dab thermal compound and a dab of gel
 WC> super glue around the edge of the thermal contact area.
 WC> What do you think about this?

 MM> I've not had much luck with super glue on things that heat up, and
 MM> especially things that heat (expand) and cool (shrink).  The Super
 MM> glues are too brittle and crack easily.

Yeah I had reservations aout this as well.
Maybe I can rig something to tighten up the existing heatsink
mount.
It's a really lousy design where the heatsink was just sitting on
the all ceramic CPU held loosely in place by two retaining straps
that engage plastic extensions on the ZIF socket.

 MM> As an afterthought, (I've NOT tried this), some of that "High Temp"
 MM> Silicone sealant from an automotive store might do the job, especially
 MM> if they have a non-conductive version.  Put a chocolate chip sized
 MM> 'dab' in each of the four corners of the adapter board right over the
 MM> tops of the pins, put heat sink on with compound, clamp lightly for 24
 MM> hours.  Any shrinkage as the silicone sets would only tighten the heat
 MM> sink, and with the extra space over the pins, a slice with a razor
 MM> would remove the bond easily if ever needed.

I think I'm going to have to do it right.
Last thing I need is another fried CPU.

I mean the cooling solution on that machine just looked so darned good
it never crossed my mind to check for thermal compound or looseness.
 
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