From: Rutger Nijlunsing <rutger@nospam.com>
To: Riccardo Vestrini <riccardov@sssup.it>
Cc: linux-kernel@vger.kernel.org
Subject: Re: is it really better speedstep-ich vs. p4-clockmod cpufreq driver?
Date: Sun, 25 Jul 2004 18:54:47 +0200 [thread overview]
Message-ID: <20040725165447.GA16349@nospam.com> (raw)
In-Reply-To: <41015EEF.3070602@sssup.it>
On Fri, Jul 23, 2004 at 08:54:39PM +0200, Riccardo Vestrini wrote:
> it seems that speedstep-ich and acpi cpufreq driver have only two usable
> clock frequencies, while p4-clockmod has eight
> my cpu is: Intel Mobile Intel(R) Pentium(R) 4 CPU 3.06GHz stepping 09
>
[snip]
>
> i do not know what driver is supposed to be better and why speedstep-ich
> driver has only two frequencies
p4-clockmod is not really a cpufreq driver: it does not change the
frequency. The only function is to have 'idle-cycles' to cool down the
processor during intensive CPU programs: this is what the processor
does when it gets too hot.
The speedstep driver _does_ change the frequency (and/or voltage) and
gives other advantages like less power consumption.
So use speedstep.
--
Rutger Nijlunsing ---------------------------- rutger ed tux tmfweb nl
never attribute to a conspiracy which can be explained by incompetence
----------------------------------------------------------------------
next prev parent reply other threads:[~2004-07-25 16:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-23 18:54 is it really better speedstep-ich vs. p4-clockmod cpufreq driver? Riccardo Vestrini
2004-07-25 16:54 ` Rutger Nijlunsing [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-07-22 9:28 Riccardo Vestrini
2004-07-22 16:20 ` Jim Carter
2004-07-22 23:10 ` Riccardo Vestrini
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