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SubjectRe: 2.5.69 strange high tone on DELL Inspiron 8100
On Sat, 10 May 2003 18:51:18 +0200
Tuncer M "zayamut" Ayaz <tuncer.ayaz@gmx.de> wrote:

> On Sat, 10 May 2003 17:25:27 +0100
> Jamie Lokier <jamie@shareable.org> wrote:
>
> > Tuncer M zayamut Ayaz wrote:
> > > what I found out right now is that when there is
> > > load (moving mailer windows around) the sound
> > > is gone and reappears if there's no load aka
> > > I stop moving mailer window (while typing this mail).
> >
> > That's the opposite of my Toshiba in any of the lower power modes.
> >
> > When there's CPU activity, it emits a quiet high-pitched noise.
> > When CPU activity stops, the noise stops. This doesn't happen in
> > the maximum power usage mode (brigh screen, fastest clock), and I
> > don't know if there's a way to turn it off.
>
> 1) with SpeedStep enabled in BIOS and also enabled with software
> switching to full-speed mode turn down the volum a bit.
>
> 2) disabled SpeedStep in BIOS. init-scripts enabled speed step
> same behaviour as in 1)
>
> funny side is that prior to booting 2.5 on the LILO prompt
> I listened and would bet that the same noise but very very
> quietly was still there.

rebooted with a reconfigured kernel to assure it's not cpufreq.
same behaviour without cpufreq.
btw, I'm not 100% sure anymore now running 2.4 whether I really
heard the same noise just quiet. hard to differentiate and also
doesn't matter from my view as it doesn't annoy like the
2.5 noise effect.
--> if it's the same noise, it would be ok, as you don't hear it
normally sitting in front of the box, but running 2.5 is not
nice with that high-pitched tone.
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