Subject: Re: Driver for Enhanced SpeedStep
To: Frank van der Linden <fvdl@netbsd.org>
From: Perry E.Metzger <perry@piermont.com>
List: port-i386
Date: 11/04/2003 18:46:38
Frank van der Linden <fvdl@netbsd.org> writes:
> On Sun, Nov 02, 2003 at 11:25:37PM +0100, Michael Eriksson wrote:
>> I have written a driver for Intel's new CPU frequency control
>> mechanism, Enhanced SpeedStep (EST), which is used in Pentium M
>> processors.
>
> Cool, thanks for doing this. I'm not sure that sysctl is the right
> interface to this; it probably needs to be combined into some
> kind of power profile, but it's certainly a good start.
>
> I'll look at integrating this in the next few weeks (I have a bit
> of a full list of things to do).

Does the ACPI speed control stuff work by frobbing the EST stuff?

Perry