[flashrom] (no subject)

Stefan Tauner stefan.tauner at student.tuwien.ac.at
Thu Jul 19 17:41:50 CEST 2012


On Thu, 19 Jul 2012 17:20:46 +0200
Riccardo Berto <riccardobrt at gmail.com> wrote:

> ok lol
> 
> thanks for the explanation
> btw I think that with battery on it and connected to AC you can use a
> laptop safely (with battery you avoid instant shutdowns)

no that problem is not the supply of power (that is actually a plus for
laptops compared to desktops without an UPS), but the internal workings
of most laptops. they include a chip called embedded controller that
runs its own software and controls things like the backlight of the
display or charging the battery. the problem is that these chips are
often near the flash chip logically and flashrom sometimes irritates
them enough that they just shut down the whole machine.
the main reason why this can happen is that they are not documented
publicly at all, see also http://flashrom.org/Laptops

-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner




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