Linux and ACPI for Lenovo. not specific to crux

fernanbolando fernanbolando at
Mon Nov 12 01:06:33 UTC 2007

-----Original Message-----
From: Mikhail Kolesnik <mike at>
To: crux at
Date: Fri, 9 Nov 2007 12:06:38 +0200
Subject: Re: Linux and ACPI for Lenovo. not specific to crux

> Hello, fernanbolando.
> On Fri, 09 Nov 2007 08:53:48 +0800
> "fernanbolando" <fernanbolando at> wrote:
> >[...]
> > I got my ACPI going. thanks for all the help.
> > 
> > As it turns out I can only use p4_clockmod because my new laptop
> > has only a celeron M. I am able to slow it down, But I am not really 
> > sure if it is really lowering the temp. Other than feeling sluggish
> and
> > clumsy when I drive the clock, I am not really sure how check. On
> going 
> > monitoring.
> You can try to 'cat /proc/acpi/thermal_zone/THRM/temperature'.
> I want some interactive control over the powersaving features, so I use
> some userspace apps[1] and put this in /etc/rc.local:
> 'echo userspace >
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor'

We are a bit opposite. I just set it to the best power saving setting
without making me feel slowed down and left it there. This is why
I left it for the BIOS to handle on my old notebook.

In this case the BIOS doesnt give me the options, so I had to use the 
kernel and set it "ondemand".

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