[ltp] New T61. Some questions (32 vs 64, kernel, DVDs), some answers (esp. keyboard noise)...

[Chris Penn]

The is a trickle kernel or trickle kernel patch that is suppose to
better the power usage.  have you seen that?

On Fri, May 9, 2008 at 11:01 PM, Jose Celestino <japc@co.sapo.pt> wrote:
> Words by Marius Gedminas [Fri, May 09, 2008 at 01:20:31PM +0300]:
>> > More questions:
>> >
>> > 1) Power!  I have the Core2 Duo T8300 @ 2.40GHz, 15.4" wsxga+ screen,
>> >    Intel graphics, 3G ram, fingerprint reader, 160G 5400rpm disk (with
>> >    encryption), the standard battery, etc.  Kpowersave's "Powersave"
>> >    profile is set up for 60% brightness, Dynamic CPU, ... (no way to
>> >    set hard disk spindown time with this tool, but let's assume the
>> >    hard disk is spinning).  CPUs are idle.  I'm running the 2.6.25-1
>> >    kernel from Debian Sid.  I let the computer die on battery power
>> >    and recharged to make sure that the gauge was calibrated.  And
>> >    Kpowersave claims that I can expect 3.5 hours of runtime.  Is that
>> >    reasonable?  How can I improve that?
>>
>> I think that's reasonable.  Try the powertop tool, it's a very good one
>> for measuring power usage and suggesting possible improvements.
>
> I get between 16.5 and 22 Wh on a typical usage that gives me between 5h
> and 3.5h on a 84Wh on a T61p.
>
> --
> Jose Celestino | http://japc.uncovering.org/files/japc-pgpkey.asc
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