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Date:      Wed, 28 Jan 2004 14:35:47 +0000
From:      Randy Bush <randy@psg.com>
To:        Anish Mistry <mistry.7@osu.edu>
Cc:        freebsd-current@freebsd.org
Subject:   Re: sleeping too lightly
Message-ID:  <E1AlqnD-0009U3-7O@psg.com>
References:  <E1AlE6A-000H0r-Cn@psg.com> <4017BB7A.6090307@noc.ntua.gr> <200401280929.46302.mistry.7@osu.edu>

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>>> thinkpad t40p
>>> pretty current
>>> 
>>> S3 does suspend, and i have successfully tied it to the key and lid.
>>> but it seems to burn battery anyway, like five hours eats 40% of it,
>>> and it sleeps quite warmly.  any clues?
>> 
>> Isn't it supposed to? I believe that you need S4 for complete poweroff. 
>> acpiconf(8) says something along these lines, too.
> 
> True, but it shouldn't eat battery that fast.  This sounds similar to what 
> happens on my system, turns out that the display isn't completely turned 
> off, only the backlight is turned off, and if you look really carefully 
> you can still see the video adapter is being powered.

aha!  bingo!

randy



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