From: Derek Broughton <dbroughton-F3m4/jXepmf3fQ9qLvQP4Q@public.gmane.org>
To: ACPI Development - Sourceforge
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [ACPI-sppt] Missing C states & thermal stuff on P4M
Date: Mon, 16 Jun 2003 13:33:41 -0300 [thread overview]
Message-ID: <004801c33425$0bbf0c10$3746028e@bio.dfo.ca> (raw)
In-Reply-To: Pine.LNX.4.53.0306161714570.10959@fls-nb
From: "Florian Streibelt" <acpi-FcBgPhobQO3YWZAotbjKIA@public.gmane.org>
>
> > > cpufreq: Intel(R) SpeedStep(TM) for this chipset not (yet) available.
> >
> > Not ACPI related, but indicating that there's no support for controlling
> > frequency in Linux.
>
> I think that means that the cpufreq kernel-patch is not able to control
> the processor speed. But ACPI may be able to do so.
>
> I have a Mobile Intel(R) Pentium(R) 4 - M CPU 2.00GHz and I am getting
> the same message, when using a kernel with that patch.
> But I am able to throttle the CPU via ACPI-Interface by doing
> echo "7" > /proc/acpi/processor/CPU/throttlin
> or any other number between 0-7.
In fact, his does appear to support throttling - so does my Celeron. iirc, this
isn't frequency related, but I'm getting out of my depth now :-).
derek
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next parent reply other threads:[~2003-06-16 16:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.44.0306161337190.10380-100000@zupcx1.star.ucl.ac.uk>
[not found] ` <000f01c3340c$2cf966a0$3746028e@bio.dfo.ca>
[not found] ` <Pine.LNX.4.53.0306161714570.10959@fls-nb>
2003-06-16 16:33 ` Derek Broughton [this message]
[not found] ` <004801c33425$0bbf0c10$3746028e-dP0OE4Ef7fWw5LPnMra/2Q@public.gmane.org>
2003-06-16 17:59 ` Re: [ACPI-sppt] Missing C states & thermal stuff on P4M Ducrot Bruno
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