OLPC upgrades

rihoward1 at gmail.com rihoward1 at gmail.com
Fri Jan 30 12:08:25 EST 2009

Those software gauges tell you what ever 'version of the truth' the  
author wants to tell you and make you feel happy about your device.
To perform power measurements reliably you need to instrument with a  
good quality physical voltmeter and ammeter.

On Jan 30, 2009, at 8:31 AM, pgf at laptop.org wrote:

> samuel wrote:
>> On Fri, Jan 30, 2009 at 9:18 AM, Frank Ch. Eigler  
>> <fche at redhat.com> wrote:
>>> Mitch Bradley <wmb at laptop.org> writes:
>>>> [...]  It's also worth pointing out that the new low-power x86
>>>> processors, Atom being the poster child, are still stuck with
>>>> power-hungry support chips - memory and display controllers.  That
>>>> might change "soon", but for now it's still the case.  [...]
>>> According to the ACPI battery gauges under Fedora 10, my Fujitsu  
>>> U820
>>> UMPC (Atom Z530, Poulsbo GMA500 MCH/graphics) takes around 6W  
>>> *total*
>>> during light webby operations.
>> What do those same gauges tell you about an XO under F10?
> unless things have changed, "those same gauges" won't exist on
> the XO -- we don't do acpi.
> paul
> =---------------------
>  paul fox, pgf at laptop.org
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