[ltp] Not able to modify /proc/acpi/ibm/fan

[cupaxe]

*edit to my previous post*

I meant to say

--wish I could find it on my own--

Thanks,

Krishna


On Tue, Dec 1, 2009 at 3:35 PM, cupaxe <cupaxe@gmail.com> wrote:
> Thanks for pointing me to the excellent documentation (which I could
> find it on my own) and the changes to the modprob.d settings.
>
> I am all set for now. I did notice that on my T42p, the fan's maximum
> speed is around 2600-2650 (after setting pwm1 to 255 and pwn1_enable
> to 1). Is that normal?
>
> Thanks,
>
> Krishna
>
> On Tue, Dec 1, 2009 at 3:05 PM, Holger Olbrich <h.olbrich@gmx.net> wrote:
>> by default fan_control is "auto" and cannot be changed.
>> the module thinkpad_acpi has to be loaded with the parameter fan_control=
=3D1
>>
>> /etc/modprobe.d/ibm-acpi:
>> (...)
>> options thinkpad_acpi fan_control=3D1
>> (...)
>>
>> greetings
>> holger
>>
>>
>>
>> am Dienstag 01 Dezember 2009 schrieb cupaxe:
>>> I would like to do the following two things:
>>>
>>> - Keen my fan always running at the maximum speed.
>>> - Keep my CPU running at the maximum speed.
>>>
>>> Since I had problems with my LCD, I have connected my thinkpad to a
>>> external display and am using it as a desktop. So fan noise, battery
>>> conservation, etc are a non-issue.
>>>
>>> I read in the thinkwiki documentation that
>>>
>>> echo level 7 > /proc/acpi/ibm/fan
>>>
>>> would make the fan rotate faster. The current output is:
>>>
>>> # cat /proc/acpi/ibm/fan
>>> status: =A0 =A0 =A0 =A0 =A0 =A0 =A0 enabled
>>> speed: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02606
>>> level: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0auto
>>>
>>> But when I try to write to =A0/proc/acpi/ibm/fan, I get,
>>>
>>> bash: echo: write error: Invalid argument
>>>
>>> I tried my best searching for a way to modify /proc/acpi/ibm/fan but
>>> wasn't able to get anywhere. So if this post has already been
>>> answered, my sincerely apologies.
>>>
>>> Thanks,
>>> Krishna
>>
>>
>>
>> --
>>
>>
>>
>> Jede Nation spottet =FCber die andern, und alle haben recht.
>> Arthur Schopenhauer
>>
>