On Sat, 9 May 2009 14:49:59 +0200 Marcel <tan...@googlemail.com> (M) wrote:
>Am Samstag, 9. Mai 2009 14:20:08 schrieb Christian Rüb: >> Hi, >> >> is it possible to do the following: >> * power off GSM >> * suspend >> * plug external USB power supply (can do 100,500 and 1000mA) >> * open device and exchange battery >> * resume again >> * power on GSM >> * (optional) unplug USB power supply >> >> I do not have a second battery (yet) but this scenario might occur >> while GPS tracking and not having the possibility to charge. I >> already have this external USB battery but it will not be enough to >> cover all the time I need my Frerunner running. >> >> I read somewhere that the GSM alway gets its power directly from the >> battery, thus my interest in turning it off before suspending. Can >> this work or might this even break anything? >> >> Thanks for your help. > >At least on Debian the system resumes once you plug in the external >power so you would have to do that before suspending. I already took >the battery out while the Neo was on usb power and it still ran - but >I didn't re- insert it then (because I was intending a "hard" >reboot ;) ) so I don't know if that could damage anything. > >-- >Marcel you don't need to suspend - just plug usb in and replace battery. iirc this should do no harm to neo... i do this all the time. i am even thinking of a tiny small usb battery (20sec of runtime is sufficient) for quick battery replacement... of course, gsm is powered directly so it will loose power... for the time of replacement -- Petr Vaněk _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community