Messages in this thread | | | Date | Thu, 7 Jul 2005 16:06:48 -0400 | From | Dave Jones <> | Subject | Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan |
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On Thu, Jul 07, 2005 at 10:00:27PM +0200, st3@riseup.net wrote: > Enabling, say, a duty cycle of 12.5% means that the CPU chip will be driven > by clock just one time every eight, thus reducing power consumption and > temperature (and it speeds down dramatically the CPU, too =). > > I tested it so far on my Pentium M Dothan 715 and on a Dothan 725. > > What do you think, could this be useful? I could provide a patch or a > stand-alone module. Should I write an interface to sysfs?
You just reinvented the p4-clockmod driver :-) This hasn't been seen to save any power whatsoever that I've seen. I've heard a few reports that it reduces heat for a few folks, but betting on it increasing your battery life is probably a push.
Dave
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