power consumption after shutdown

[pgf at laptop.org]

frederick wrote:
 > In a discussion thread like this, it would good to have a source code link
 > for all to reference, now and in the future.
 > Thanks for all the contributions!

unfortunately, the code in question (i.e., the EC firmware) is
one of the few small bodies of code on the XO which isn't open.

paul

 > 
 > On Mon, Feb 16, 2009 at 3:36 AM, James Cameron <quozl at laptop.org> wrote:
 > 
 > > On Mon, Feb 16, 2009 at 12:19:41AM -0500, Richard A. Smith wrote:
 > > > quozl at laptop.org wrote:
 > > >
 > > >> (If one discharges an XO battery outside the XO using a home lighting
 > > >> circuit, the displayed state of charge will be inconsistent.  Persisting
 > > >> in this practice results in increasing inconsistency.  Ceasing the
 > > >> practice results in decreasing inconsistency over several XO moderated
 > > >> charge and discharge cycles.  The inconsistency results in forced
 > > >> power-down before the state of charge would suggest, manifesting as "my
 > > >> XO stops too soon".)
 > > >
 > > > How far off is it?  The EC actually tries to detect this.  The ACR
 > > > register will decrease when you use the battery outside the laptop.
 > >
 > > Last I checked, some months ago, it was no more than about 30% error.  I
 > > didn't proceed with the test beyond about that point.
 > >
 > > Good to know it tries to do something about it.
 > >
 > > --
 > > James Cameron    mailto:quozl at us.netrek.org     http://quozl.netrek.org/
 > > _______________________________________________
 > > Devel mailing list
 > > Devel at lists.laptop.org
 > > http://lists.laptop.org/listinfo/devel
 > >
 > part 2     text/plain                 129
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=---------------------
 paul fox, pgf at laptop.org