Current Bootchart / breaking SD boot

Werner Almesberger werner at openmoko.org
Thu Jul 10 02:15:09 CEST 2008


Joe Pfeiffer wrote:
> I'm confused -- do you mean there is no way to turn off the modem's RF
> amp?  What do other phones using it do to comply with airplane
> regulations?

The RF amplifier has an input called TX_ENABLE, which is connected to
TSPACT09 of the GSM baseband processor, so the GSM chipset can tell it
whether to transmit or not.

- Werner



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