Re: [opensuse] Laptop power management

clarkt@xxxxxxxx wrote:
Hi everyone,

I am using opensuse 10.3 on a laptop, but I never figured out what the
best way was to configure power management. Most of the time, the
laptop
is connected to the power cable, but since a few weeks I go to my work
by train, which means that I can use my laptop for about an hour, in
case I get bored. However, of course there is no power connection in
the
train (not even in the 1st class!!), so I have to use the battery.

But, before I arrive at the final station, within an hour, the battery
complaints about being empty, and if I ignore that message, and
continue
to work, the laptop turns off. That's weird, because my colleague has
the same laptop, running Windows, and his one continues for over 1,5
hours. I don't know how long exactly, but I know that an hour is very
short.

That's the story, I hope someone can help me out with tips to let the
laptop live longer.

Current KPowersave configuration:
AC Scheme: Performance
Battery Scheme: Powersave

Performance:
Specific Screensaver settings: Disabled
Specific display power management: Disabled
Autosuspend: Disabled
CPU Frequency Policy: Performance

Powersave:
Specific screensaver settings: Only blank the screen
Specific display power management:
- Standby after: 2m
- Suspend after: 3m
- Power off after: 5m
Autosuspend: Suspend to Disk after 30m (scheme-specific blacklist
enabled)
CPU Frequency policy: Powersave

My laptop is a HP Compac nc6220. If you need any more information, just
give me a sign :-)


Thanks in advance,

H. te Sligte
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What is the processor?



It's an Intel Pentium M 1.73Ghz.

Greetings,
Henk te Sligte

run lsmod |more
and look to see if p4_clockmod is loaded. If not, use yast --system ---
edit system -- kernel -- modules to load at boot
and add p4_clockmod to that line.

If you open kpowermanager you should be able to see the cpu changing
frequencies and stepping down when idle.

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