rise time spec 1000ms setup 50ms rise time maybe gerald can give his thumbs up on that spec
seems fast enough can you put a scope on it to be sure ? maybe the power supply is out of spec some of the time i have been using a cheap 5 dollar chinese supply for 2 years with no issues On 11/10/2015 10:30 AM, Fohnbit wrote: > Hello, > > I use this: > http://www.meanwell.com/webapp/product/search.aspx?prod=dr-15 > > DR-15-5 > > Am Montag, 9. November 2015 16:23:14 UTC+1 schrieb Wulf Man: > > As posted here a few times. > If your power supply does not have a fast enough rise time getting > up to voltage > your BBB will not boot reliable. > You have not said what specs your power supply is or where you got > it from. > > > > On 11/9/2015 8:02 AM, Fohnbit wrote: >> Hello! >> >> Sometimes my BBB Rev C dont boot, when I connect the 5V. >> The Power LED is on but the 4 USR LED are off. >> >> This happen not really often ... So I have no debug information. >> >> But maybe someone has the same problem and know where the problem is? >> >> Thank you! >> -- >> 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 beagleboard...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout >> <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 beagleboard+unsubscr...@googlegroups.com > <mailto:beagleboard+unsubscr...@googlegroups.com>. > 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.