On Thu, 29 Jun 2006 10:57:56 -0300, inkleput{at}isp.com wrote:

>While computing away,
>On a fine day,
>I heard what sounded like a fan stopping in my tower.

So on that day
Perhaps back in May...
You jumped on it quickly, raised panic, and turned off the power...

>Now it seems to run hotter than before (50C and 51C), altho I don't know
>of any temp log to prove my point.  A rise in room temperature will push
>it even higher.  And this after (yet another) blowing out of dust.

It's possible you baked the thermal pad between the heat sink and the
CPU... if it's dried out, it'd be like a cracked, dry lakebed instead
of a smooth muddy surface, and not providing the same cooling that it
used to.

It could also be that your new case fan is spinning slower than the old
one - in which case (pun intended!) air isn't getting ejected as
quickly.

>A few months ago I got things arranged to my satisfaction by cleaning
>off the top of the CPU and putting on a dab of silver grease.  I suspect
>a dab of silver grease won't get it this time.  But I'm not at all sure
>what will.

What "silver grease" are you using?

Take another look at it, and replace it with another thin layer... 

>(I don't think component specifics are relevant here.  The cooler WAS
>matched to the CPU, according to several sources.  More than that, my
>back won't permit me to hunch over looking for identifications right
>now.)

Well, older CPU designs like the AthlonXP and AthlonMP and Duron CPU's
are more dependent on a good mating of CPU core and heat sink with
thermal paste than the newer Athlon64, Sempron, and Pentium 4's, which
all feature a built-on "heat spreader" to increase the surface area of
the chip and the ability to wick away the heat...

I've seen a few cooked out - but frankly, I don't think I've ever left
a machine running long enough without ripping it apart somehow... I'm
always changing my gear. :)


Hope this helps!

-Derek

Derek W. Keoughan,
Finnegan Software, Inc.,  Brampton, Ontario, Canada  http://www.finnsoft.com
416-410-4774 phone - 800-258-0033 toll free - 905-846-5516 fax

Consulting, Networking, Cabling, Internet, Hardware, Software, Tech Support
eComStation, OS/2 Warp/Server, WinXP/2000/NT/Me/9x, Linux
Customized PURRformance PC's & Servers, OnSite Services, Installations
and Upgrades

= Celebrating 11 years of "happily purring" computing - Founded
1995-02-02 =

FinnSoft "CyberCat" logo clothing and more -
http://www.cafepress.com/finnsoft




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