[ltp] power consumption in S3 ACPI

Roman Joost linux-thinkpad@linux-thinkpad.org
Sun, 14 Mar 2004 20:30:21 +0100


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On Sun, Mar 14, 2004 at 11:37:33AM -0600, Daniel Jimenez wrote:
> Roman Joost wrote:
> >I got my T40 with an 2.6.4-rc2 working, but was wondering about the
> >power consumption in S3 mode with ACPI. Compared to the APM sleep, it
> >uses a lot of power and well, the lamp of the CD-Rom is still on. I
> >guess, that the CD-Rom isn't asleep as the other parts in the laptop.
> >After a night in S3 Mode, my battery has only a charge of 20 - 30%. The
> >advantage is, that S3 puts the laptop pretty quick into sleep.
> >
> >Somebody the same "problems"?
>=20
>=20
> My problem is when I put the laptop to sleep it doesn't recover. Mouse=20
> and keyboard won't really respond. So I can't get any form of sleep at al=
l.
>=20
> I haven't been able to get suspened to swap working either...
>=20
Hm.. had no problems to put the laptop to sleep with:
 =20
  echo 3 > /proc/acpi/sleep

and wake it up by pressing the power button. Except for problems with
the external usb mouse, i've no problems. Everything works fine ...
except the power consumption.

Greetings,
--=20
Roman Joost
www: http://www.romanofski.de
email: roman@bromeco.de

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