[ltp] Re: tpfand configuration for an X200s

Christoph Bier linux-thinkpad@linux-thinkpad.org
Tue, 02 Dec 2008 18:58:47 +0100

Henrique de Moraes Holschuh schrieb am 02.12.2008 15:13:

> On Tue, 02 Dec 2008, Christoph Bier wrote:
>> Henrique de Moraes Holschuh schrieb:
>>> On Tue, 02 Dec 2008, Christoph Bier wrote:
>>> The sensors you get from thinkpad-acpi are discrete thermal sensors, located
>>> in the various parts of the mainboard, inside battery packs, etc.
>> Just to get it right: Does tpfand use/show thinkpad-acpi's data?
> Yes, and it is not the most brilliant implementation on how to interface to
> thinkpad-acpi, either.

So you wouldn't recommend its usage? But then, how can I influence
the fan's behaviour? Should I load ibm_acpi that is not loaded by
default? You see, I'm not very familiar with this. To be honest, the
information provided by the ThinkWiki is surely helpful but also
confusing because there are so many ways to solve a problem. I know
http://www.thinkwiki.org/wiki/ACPI_fan_control_script but I don't
know which solution to choose.


>>> For sensors inside chips, like the ones inside the CPU, you need to use
>>> other hwmon drivers, or look at the generic ACPI thermal zones (which might
>>> be doing anything), etc.
>> On my wife's two year old R60 I don't have battles with the fan ... Is  
>> the X200s just too new?
> Lenovo objects to user fan control.  They may have changed the interface.

I take your answer as an indication that fan control should work
out-of-the-box without user interference. What can I do---as a
common user, I'm not a programmer---to improve the situation?

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