[ltp] short battery life on t40

Frederic Gaus linux-thinkpad@linux-thinkpad.org
Thu, 11 Sep 2003 12:17:23 +0200


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Did you check the following?? :

- Lowest Display
- Not a journaling fs
- no wlan active (modules removed)
- did you tried to play with bdflush?

Improve these settings was most useful for me ;-)

Have fun
Freddy

On Thu, Sep 11, 2003 at 03:18:16AM -0400, Jason 'T' Rolfe wrote:
> Hey.  My new T40 is only getting about 2 to 2.5 hours of battery life (as
> reported by apm), as oppposed to the expected 5.  I am running Debian with
> kernel version 2.4.21, as well as apm and the thinkpad and thinkpadpm
> modules.  I've tried running apmiser, but it doesn't appear to do much. =
=20
> My BIOS settings are configured for maximum battery life when not running
> on AC.  /proc/cpuinfo reports that, although my processor is 1.6 ghz, I'm
> only running at 598.076 mhz when using batteries.  I'm not running cpufreq
> or cpudyn, but I would think that they wouldn't do much given that cpuinfo
> reports 600 mhz operating speed.  Do you have any idea how to improve my
> battery life?  Thanks.
>=20
> Jason Rolfe
>=20
> --
> The red in the sky is ours. . .
>=20
>=20
> --=20
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>=20

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