[ltp] what to use to save battery

Martin Aumueller linux-thinkpad@linux-thinkpad.org
Tue, 5 Sep 2006 15:58:43 +0200


These suggestions all seem very interesting. However, could you please 
elaborate on some of them a little bit more?

On Tue September 5 2006 12:33, Florian Reitmeir wrote:
> On Die, 05 Sep 2006, Martin Lorenz wrote:
> > I just wondered how I could reduce energy consumption on my X60s.
> > what software do you all use to make your thinkpads run longer on battery
> > power?
> >
> > is there maybe a page which gives a good overview?
> > any experiences with different tools?
>
> - a SD Card for the home directory
> - use the busybox syslog daemon instead of syslogd and klogd
> - disable the internal USB bus for bluetooth and the fingerprint reader so
> 	the laptop always can use C3/C4 even if the uhci_hcd is loaded (this can
> be done with unbind in the sysfs)
> - dim the display
> - use cpufreq
> - use a blank screensaver which disables the display correctly
> - don't use postfix/exim use ssmtp instead
> - under gnome, disable beagle
> - use a 2.6.18-rcX kernel and enable alsa-power management

How do I enable alsa power management? I didn't find a kernel config option.

> - use a 2.6.18-rcX kernel and use the new e1000 module for more powersaving

What does 'new' mean? The one e1000 module that is included with 2.6.18-rc6 or 
is there another module with a different name?

> - enable wireless powersaving

Thank you very much for clarifying this,
Martin