Re: [ACPI] Re: [PATCH 2.6] update passive cooling algorithm

[Pavel Machek <pavel@suse.cz>]

Hi!

> > > > voltage scaling. It offers a much better (quadratic) saving than clock
> > > > modulation (linear saving). Doing both [and you need to do it, as the CPU
> > > > won't run with fewer volts at the same frequency] gives you cubic savings.
> > > 
> > > Yes I know.  But does it offer more 'cooling'?
> > 
> > Of course.
> > 
> > If you eat less power, you create less heat. CPU is basically fancy
> > "turn-electricity-into-heat" device.
> > 
> 
> I don't like certitudes (I was wondering if better heat dissipation
> in

Sorry.

> case of throttling even if more heat generation, but that not the
> case).

I guess throttling is way too fast (in kHz range, IIRC), so there
should not be any strange effects.

> > [Have you seen that "first use of PentiumPro in house appliances"
> > picture?]
> 
> No, but I do have seen some that have burnt in a production server,
> some years ago...

There was a picture of four-plate cooker, with PPro in the middle of
each plate.
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]