[ltp] Re: ThinkPad T61 (7658CTO) Thermal Sensors

Wed, 23 Jul 2008 19:09:29 +0100

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I totally see what you mean and I do watch for temperature on other devices.
But I have noticed that if I run stress -c the only thing that goes up 
is the CPU and when the fan kicks in is the only thing that gets cooled 
down. In other words, I suspect the fan only cools down the CPU and its 
heat sink, I don't think it has an effect on other devices.

________________________

Daniel Castro
Networking and Distributed Systems
Computer Science
Trinity College Dublin

Mobile: 083-318-2058
86.4.3 Trinity Hall, Dartry Road, Dublin 6
________________________

green wrote:
> On Tue, 2008.07.22, 204, Daniel Castro wrote:
>   
>>    Not safe you say... uhm...
>>    Well even with the fan constantly running the cpu temp will be around 65C
>>    on normal CPU usage.
>>    I haven't found anywhere where it actually says what's safe and what's
>>    not. Not even on those websites you quote. But anything below 75C for the
>>    cpu sounds safe to me. Is it not really?
>>     
>
> That may be safe for the CPU, but what about the rest of the system?  I said 
> that the CPU seems to be the most temperature-tolerant area, meaning it can get 
> very hot, but you need to watch all the sensors and have thresholds set for 
> them too as their respective areas may be damaged at lower temperatures than 
> that of the CPU sensor.
>   

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I totally see what you mean and I do watch for temperature on other
devices.<br>
But I have noticed that if I run stress -c the only thing that goes up
is the CPU and when the fan kicks in is the only thing that gets cooled
down. In other words, I suspect the fan only cools down the CPU and its
heat sink, I don't think it has an effect on other devices.<br>
<pre class="moz-signature" cols="72">________________________

Daniel Castro
Networking and Distributed Systems
Computer Science
Trinity College Dublin

Mobile: 083-318-2058
86.4.3 Trinity Hall, Dartry Road, Dublin 6
________________________
</pre>
<br>
<br>
green wrote:
<blockquote cite="mid:20080723165459.GI11085@swansys" type="cite">
  <pre wrap="">On Tue, 2008.07.22, 204, Daniel Castro wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">   Not safe you say... uhm...
   Well even with the fan constantly running the cpu temp will be around 65C
   on normal CPU usage.
   I haven't found anywhere where it actually says what's safe and what's
   not. Not even on those websites you quote. But anything below 75C for the
   cpu sounds safe to me. Is it not really?
    </pre>
  </blockquote>
  <pre wrap=""><!---->
That may be safe for the CPU, but what about the rest of the system?  I said 
that the CPU seems to be the most temperature-tolerant area, meaning it can get 
very hot, but you need to watch all the sensors and have thresholds set for 
them too as their respective areas may be damaged at lower temperatures than 
that of the CPU sensor.
  </pre>
</blockquote>
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