[Debian-eeepc-devel] saving battery

[Daniel Dalton]

All excellent ideas, I enabled some things in laptop-mode, so will see
how that goes.

Thanks,
Dan 

On Sat, Feb 13, 2010 at 01:56:38PM +0100, giggzounet wrote:
> Daniel Dalton a écrit :
> > Hi, 
> > 
> > I'm trying to get as much battery life out of my eeepc as possible. It's
> > really good, I can currently get about 5 hours or just over on my
> > 1008ha. I've turned off bluetooth, wireless and the screen as I'm
> > blind. 
> > I have also enabled laptop-mode from the debian package
> > laptop-mode-tools. 
> > 
> 
> In this package. there are several modules, which you can enable. For
> example the powersaving of your sound card if it is possible.
> 
> you can modify the laptop-mode-tools.conf in order to remount the file
> with noatime/RELATIME then control the powermangement of your harddisk.
> but it could be problematic for the hard disk...for example to set
> "hdparm -B 1 /dev/sd*" is good to save battery life...but not good for
> the disk life...there is lots of documentation on the net which explain
> the problem.
> 
> > What else can I do to save battery? I read somewhere I can throttle down
> > the cpu speed when necessary? Or is this a dangerous procedure? Also is
> > it possible to turn off power to the ethernet port as I rarely use
> > this...
> > 
> 
> for the ethernet port see laptop-mode-tools. there is a module for that.
> 
> you can turn offf all the video output too.
> 
> for the modification of the cpu speed i don't know for eeepc. on others
> laptops which I'm using it's great...but on my eeepc (1201N) I can't do
> this. Look if you have speedstep available for your processor.
> 
> > Or is what I'm doing now about the best you can do? I'm very happy with
> > it, but of course if I can increase it by half an hour or so I
> > definitely will. Mainly I'm just using it for taking down notes, and
> > every now and then connect to the wifi...
> > 
> 
> Bye bye
> Guillaume
> 
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