Freerunner won't boot: dies in uboot

[arne anka]

>> i say, the battery is flat -- your symptoms perfectly match.
>
>    Except that the Freerunner runs fine from USB power alone.


my experience is otherwise -- but it has been a long time since i let the  
fr run that low. maybe something crucial has changed since.
but if you mean "only usb, not battery inserted" -- i wouldn't know. never  
did that, my situation has been simply a flat battery that didn't boot.