GTA02 Battery Capacity (Was: Re: More about the GTA02)

Andy Green andy at openmoko.com
Thu Feb 14 23:32:11 CET 2008


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Somebody in the thread at some point said:

> Can GTA01 users upgrade to this battery and would it make sense to do so?

Not without hacking the device and the drivers and only then if you can
find a GPIO that comes out to a resistor or something you can wire up
to.  The third pin on the GTA01 battery is a temperature sense pin and
it goes off to an ADC input on the PMU, which makes complete sense for
what that is.  But it can't be exploited for the HDQ protocol on the
smart battery without some difficult hack.

Basically as a rule hardware is set in stone, it goes double when it is
micro BGAs and so on like this hardware, there's not much anyone can do
about that.

- -Andy
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