FCDEV3B sleep mode bug update

Pičugins Arsenijs crimier at yandex.ru
Tue Jan 23 10:38:41 UTC 2018

> I finally got a breakthrough in the wild goose chase after the sleep
> mode hardware bug on our FCDEV3B boards: the self-reboot behaviour on
> the AT+CFUN=1 command with all sleep modes enabled went away when I
> replaced the high-capacity flash+RAM chip on one experimental board
> with the smaller-capacity K5A3281 that was used by Openmoko. Thus we
> now know that the difference between Openmoko's working original and
> our derivative thereof that's causing the sleep mode bug is the memory
> IC change.

All I want to say is - congratulations! I know bugs like these can be hard
to debug, and I'm happy to see such a valuable project succeed in locating
a critical bug like this. 


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