Re: IBM R50e and CPU-frequeny

Am Freitag, 9. November 2007 14:11:48 schrieb Stefan Seyfried:
> On Fri, Nov 09, 2007 at 01:27:54PM +0100, Rainer Krienke wrote:
> > Hello,
> >
> > I have an IBM R50 E with a Intel Celeron 1.4 Ghz processor installed with
> > 10.3. Recently I discovered that simply loading the module p4_clockmod
> > scales down the CPU-frequency to about 170MHZ and as needed scales the
> > freq up. This helps saving battery power.
>
> No it doesn't. Celerons don't have CPU frequency scaling. p4_clockmod only
> has duty cycle modulation (the same as throttling) which does not save
> any power.

Thanks, I found the settings I was searching for but since the CPU does not 
save any power this exercise is of course in vain.

Thanks
Rainer
-- 
Rainer Krienke, Uni Koblenz, Rechenzentrum, A22, Universitaetsstrasse  1
56070 Koblenz, Web: http://www.uni-koblenz.de/~krienke, Tel: +49261287 1312
PGP: http://www.uni-koblenz.de/~krienke/mypgp.html,     Fax: +49261287 1001312

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