Use an inline battery, e.g. between "AC in" and the barrel jack or header power input. Or put a battery on the test points as you mentioned. Granted, if you put a battery on the test points, you'll also need to occasionally( maybe always ?) toggle SYS_RESET before the power button will work.
On Thu, May 25, 2017 at 9:53 AM, jmelson <[email protected]> wrote: > Some time ago, there was a report that unscheduled power interruptions > could cause damage to the CPU's IO pins. The fix was to add a capacitor to > the battery header location (TP5..TP8). There never was a spec on how big > a capacitor was required. > > I just got a Bone Black Rev C from Digi-Key. Is this still a problem? > This Bone will be embedded inside a piece of gear that is powered by an > equipment rack, and people sometimes cut off the rack power without > shutting down the Bone first, although I advise them to do a shutdown > properly. We know that the SD card's file system can be corrupted by > dropping power without warning, we know how to fix that. But, we are > worried about hardware damage. > > Any comments? > > Thanks, > > Jon > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/6086f0c2-1363-4cc8-a515-0a7cc01ab504%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/6086f0c2-1363-4cc8-a515-0a7cc01ab504%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORrMvrmnh2X2dhT2ceYRYJdRi-kAv1gLRE6kT%3DFnFo-V%2Bg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
