Freerunner won't boot: dies in uboot

Chris Wright dhasenan at
Tue Jun 30 16:08:09 CEST 2009

2009/6/30 Werner Almesberger <werner at>:
> Chris Wright wrote:
>> It's been plugged in for about 100 hours at this point, and went for a
>> stretch of about 50 hours without me touching it. No change in
>> symptoms.
> So even after 100 hours, you can't even make it to the boot menu ?
> This would sound like a pre-MP device with a too small Vsys
> capacitor:

Yeah, I preordered mine, to my present dismay.

> You could try to trickle-charge the battery with a ~4 V voltage
> source. Once it comes out of cut-off, you may be able to make
> it to the boot menu.

Any suggestions on how to hack this together, in a reasonably safe way?

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