[coreboot] Investigating the high pitched noise on the x60 tablet

Peter Stuge peter at stuge.se
Wed Jul 2 11:29:17 CEST 2014

Charles Devereaux wrote:
> > The noise is created by switching between states.
> >
> > I expect that the noise comes from power supply circuitry.
> >
> > Use an oscilloscope in clever ways to find the source.
> I don't have an oscilloscope, however I created the following script
> following glugglug suggestion - it fixes the noise

I'm afraid it doesn't fix anything.

You've treated the symptom instead of investigating what the cause is.

> All I'm left is with a very small crackling noise,

Right, you've treated the more obvious symptom and are left with a
smaller symptom.

The problem unfortunately remains.


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