[ltp] Re: tpfand configuration for an X200s

Christoph Bier linux-thinkpad@linux-thinkpad.org
Tue, 02 Dec 2008 08:54:19 +0100


Henrique de Moraes Holschuh schrieb:
> On Mon, 01 Dec 2008, Christoph Bier wrote:
>> If you have a look at this screenshot [2] you'll see that "Control
>> system fan by software" is activated but actually it's hardware
>> controlled (system was rebooted many times since I configured
>> tpfand). Did I miss something?
> 
> I suggest you do a throughout test of thinkpad-acpi fan control on your
> x200s.  Read the documentation for thinkpad-acpi, and try out setting each
> of the fan levels.  You should find at least three different speeds, plus
> off.  After that, test the "disengaged" mode as well.

Ok, thanks for your suggestion.

> Then, tell us what you find :-)

Sure. But it will take some time.

>> Another very important question: To which hardware component each of
>> the sensors (Sensor 0, Sensor 1, Sensor 3, Sensor 8, Sensor 9)
>> corresponds?
> 
> You'd need to open a X200s to find out (and also cooling spray).  This info
> shows up usually 3 years after a model is out, when warranties run out and
> people start mucking with their thinkpad for real...

Uhm. :-( Is there only one sensor for the CPU or two for each of the cores?

Best
Christoph
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