Interesting!
> Are there any T43 users who do not hear this noise?
Not sure about a T43 but I hear a high-pitched noise on my T60.
> Do you hear this noise for both AC and battery modes?
It happens as soon as I pull out the AC power. Well, more like half a
second after. It comes from the lower left corner of the laptop as
you are looking at the keyboard, underneath the "Intel centrino duo"
sticker. For a while I thought it was the wireless card, but
switching it off with the radio kill switch didn't stop the noise.
But if I pull out the AC power while running this shell script:
while true ; do true ; done
then the noise doesn't start.
Kernel: 2.6.15-25-386 (Ubuntu), UP version (SMP fails on S3)
Hardware: T60, model 1951-C2U (T2400, Intel graphics and wireless)
-Sanjoy
`Never underestimate the evil of which men of power are capable.'
--Bertrand Russell, _War Crimes in Vietnam_, chapter 1.
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