No battery Vsys issue is USB overcurrent?

Werner Almesberger werner at
Mon Jun 30 21:15:40 CEST 2008

Andy Green wrote:
> Anyway the main battery + pin shows no signs of any dents or load and
> sits there at about 0.4V itself before during and after the fun on Vsys.
> ~ I don't think this can be it.

I added an 100uF bypass to VB_SYS and a 470uF capacitor where the
battery ought to be. That monster didn't impress the system at all,
and it happily continued to run.

I then just shorted the battery. That got me some "motorboat"
effect. So the battery isn't completely ignored.

I'm confused :-(

- Werner

More information about the openmoko-kernel mailing list