CPU heat-sink problems (solved!)

Siri Amrit Kaur tigerflag at tigerflag.com
Fri Apr 21 10:09:31 MST 2006


Cool... in more ways than one. Glad you figured it out.

Siri Amrit

On Tuesday 18 April 2006 10:47 am, Vaughn Treude kindly wrote:
> On Sun, 2006-04-16 at 13:38, Dennis Kibbe wrote:
> > FoulDragon at aol.com wrote:
> > > In a message dated 4/16/2006 6:36:31 AM US Mountain Standard Time,
> > >
> > > vltreude at deru.com writes:
> > >> An interesting  idea, perhaps I'll try it.  I probably  wouldn't want
> > >> to lay the string on the actual CPU die, though, because it would
> > >> leave a gap in the layer.  So the string would need to be a tiny bit
> > >> fatter than the height of the  die about the mounting substrate.
> > >
> > > Even paste layers aren't critical-- 99 percent of the paste gets
> > > pressed out once it's mounted.  I rarely make it an art.
> > >
> > > Is the fan running properly on the heatsink?  Have you blown it out
> > > lately (try a straw!)
> > >
> > > Sometimes the temp sensors are wildly inaccurate (I'm looking at you,
> > > Abit)
> > >
> > > Did you degunge the CPU and sink?
> > >
> > > Is this the first time it's built in this case?  Maybe your case
> > > airflow sucks.
> >
> > Good points.
> >
> > And as Siri mentioned make sure the heat sink is mounted correctly.
> > Socket A (and older Pentium sockets) has a step on one side and if the
> > heat sink isn't orientated correctly (180 degrees off) it won't sit
> > flush with the CPU.
>
> D'oh!  I had it oriented 180 degrees.  I think I need to get glasses or
> something, because I didn't realize there was a step on that side.  What
> I did was to move this CPU to a different mobo, and on this one, there
> was very little room between the CPU and the DIMMs.  It so happened that
> the heat sink's clasp was much larger on that side than the other, so I
> figured it should go where there was more room.  Oh well, thanks, it's
> cool as the proverbial cucumber now.
>
> Vaughn
>
> P.S. This time I chilled out and did a semi-sloppy job putting on the
> thermal grease - and it was no problem.
>
> > Dennisk
> >
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