Re: 2.5.69 strange high tone on DELL Inspiron 8100

Tuncer M \ (tuncer.ayaz@gmx.de)
Sat, 10 May 2003 18:51:18 +0200


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.
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