Re: Fan speed and Heat
On Fri, 2003-11-07 at 07:01, J. Javier Maestro wrote:
>
> I would like to post a comment on the Powerbook fans, ventilation and
> heat.
>
> I am currently using pmud+pbbuttonsd, and I configured pmud to have
> six running levels for the processor, 3 for AC, 3 for battery namely:
>
> minimum:
> AC - 500-667 MHz
> BAT - 300-500 MHz
> medium:
> AC - 667-800 MHz
> BAT - 500-667 MHz
> maximum:
> AC - 800-1000 MHz
> BAT - 667-800 MHz
BTW, AFAIK PowerBooks can only run at two different speeds, 1 Ghz and
667 Mhz for the 1 Ghz models. Certainly looks that way here:
> echo 667000:800000:performance > /proc/cpufreq
> more /proc/cpufreq
minimum CPU frequency - maximum CPU frequency - policy
CPU 0 667000 kHz ( 66 %) - 800000 kHz ( 80 %) -
performance
> grep clock /proc/cpuinfo
clock : 667MHz
> echo 800000:800000:performance > /proc/cpufreq
> grep clock /proc/cpuinfo
clock : 1000MHz
> more /proc/cpufreq
minimum CPU frequency - maximum CPU frequency - policy
CPU 0 800000 kHz ( 80 %) - 1000000 kHz (100 %) -
performance
> echo 800000:800000:powersave > /proc/cpufreq
> more /proc/cpufreq ~/people.debian.org/public_html
minimum CPU frequency - maximum CPU frequency - policy
CPU 0 800000 kHz ( 80 %) - 1000000 kHz (100 %) - powersave
> grep clock /proc/cpuinfo ~/people.debian.org/public_html
clock : 1000MHz
The fan's running most of the time here as well, but it's not too loud,
and I prefer that to a fried machine. :)
--
Earthling Michel Dänzer | Debian (powerpc), X and DRI developer
Software libre enthusiast | http://svcs.affero.net/rm.php?r=daenzer
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