Subject: Re: enhanced speedstep daemon
To: None <current-users@NetBSD.org>
From: Staffan Thomen <duck@multi.fi>
List: current-users
Date: 07/18/2004 13:39:42
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On Sun, 18 Jul 2004 00:57:45 +0100 Ove Soerensen <ove@elektro-eel.org>
wrote:
> On Sat, Jul 17, 2004 at 06:56:36PM +0300, Staffan Thomen wrote:
> > I'm wondering about us with the "non-enhanced" speedstep, there
> > seems not to be any support for it? I understand this is a
> > user-settable setting, linux and windows have some software for it,
> > but not us...
> 
> The "classic" SpeedStep is not quite as straightforward as Enhanced
> SpeedStep. IIRC you need to suspend the cpu before switching frequency
> which takes ages speaking in GHz-terms and makes the approach estd
> takes (involving multiple frequency-switches in a short interval)
> unfeasible. Additionaly you have to cope with buggy ACPI
> implementations or go for semi-official mainboard specific interfaces.
> This would be some tough work and require access to a lot of different
> laptop-models to get it working reliably.

I see, thanks anyway.

-- 
Staffan Thomen
1024D/7C7E2EF8

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