Re: [ACPI-sppt] m2400n: /proc/acpi/processor/CPU1/performance

Robert Vollmert <[email protected]> Thu, 25 Sep 2003 22:19:12 +0200
Newsgroups gmane.linux.acpi.support
Message-ID <20030925201912.GA14010@krikkit>
> should writing to 
> /proc/acpi/processor/CPU1/performance 
> work on the ASUS m2400n ?
> How can I use speed step ?

What definitely works is cpufreq, available as a patch against 2.4 and
integrated in 2.6. That allows even further throttling -- down to
600MHz on my 1300MHz processor.

I'm not sure whether writing to .../performance
should do anything -- it doesn't seem to, here. Another option would
be setting the user limit:

$ echo -n 5:0 > processor/CPU1/limit

As far as I understand, that should throttle the CPU to state 5. It
doesn't seem to, here, however.

Cheers
Robert


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