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

Jose Celestino linux-thinkpad@linux-thinkpad.org
Sat, 10 May 2008 05:01:57 +0100


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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