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Strange behavior of my Accu



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Greetings,

well, I've some trouble with my accu in my Sony Vaio PCG-FX505 and Woody with 
a self built 2.4.20 Kernel from testing.. The whole computer switches of 
after a few minutes of use without any warning about a low battery (like a 
blinking light) and I cannot switch it on. 
But the strange thing is, that if a connect it to the power supply unit, 
switch it on an release the supply unit after two seconds, I'm able to boot. 
If a boot WinXP, WinXP will tell me, that the reamaining capacity of the accu 
is 80% and run for 45 min. But if I boot Linux, the System "simulates" an 
empty accu an turn off.
What's going on here?
<theory>
The voltage of the nearly 1,5 year old accu decreases rapidly to a lower 
level, when the capacity reaches 80%. Windows might be more tollerant in 
handling low voltages or jumping voltage than Linux, which do it in order to 
prevent hardware demages.
Anyway, is there a way to set the tollerance?
</theory>

Keep smiling
yanosz
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