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Subject: Re: My CPU almost frying a steak: 79º Celsius. What to do?

Author: Matt Taylor

Date: 11:32:41 12/07/02

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On December 07, 2002 at 12:41:21, Fernando Villegas wrote:

>Hi all:
>Time ago I had for my Me Windows a "Rain" little program capable of cooling the
>cpu. Now I use an Athlon and XP winows and it seems there is not an equivalent
>to the rain thing. WAnybody knows what to do? I am afraid any day my PC will
>just explode.
>Fernando

Windows XP doesn't need this "rain" program. The only reason Win95/98/ME do is
because of gross oversight.

79 C sounds a bit warm. The average temperature on the 7 AMD systems I have
built within the past year is around 50 C. Even my Thunderbird 1.2 GHz (65.7 W
chip) runs at 35-42 C in my room (27 C). Speaking of which, it is the difference
between ambient (temperature of case) and CPU that matters. Because of the
physics, the rate of thermal transfer is dependant on the temperature drop.

I have a couple systems with Thermalright SK6 heatsinks. However, I have found
that the AMD heatsinks that come on retail box chips are also quite effective.
Using the AMD heatsink instead of the $40 SK6, my temperature was only about 5 C
higher on the couple systems that I've used it with.

The only thing I have had trouble with is the thermal tape that comes already on
the heatsink. This stuff is responsible for 15+ C increase in temperature. Get a
tube of Artic Silver 3 (~$8), and if you have thermal tape on the bottom of your
heatsink, a bottle of Ronsonal lighter fluid (~$2 at 7-11). The Ronsonal will
dissolve the tape. After that, rub a thin layer of Artic Silver 3 into the
heatsink, and put a thin (~1 mm) layer on the CPU.

-Matt



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