Hi Gerald.. many thanks for your support.. I revised the the cape design again and I found my mistake.. I was connecting power to pin 7 and 8 as well.. it seams like those pins should stay without any volts applied before the device start and supply them with 5V itself.
Thanks.. On Friday, April 4, 2014 2:34:42 PM UTC+2, Gerald wrote: > > Sounds like you are doing something wrong. Those pins connect to the power > jack, so it should power the board. What else can you tell me about your > setup? > > > Gerald > > > On Fri, Apr 4, 2014 at 7:27 AM, Mahammad <[email protected] > <javascript:>>wrote: > >> Hello >> >> I am trying to powering up the BBB through the header p9.. but when using >> connecting the 5V to pins 5 and 6 it is still not turning on automatically. >> I still need to press its power button. So how to make it turn on by just >> connecting the power? >> >> Best Regards >> >> >> >> On Wednesday, June 26, 2013 8:52:21 PM UTC+2, Juan C. wrote: >>> >>> You can check out this link with all the expansion header pins. >>> http://circuitco.com/support/index.php?title=Cape_Expansion_Headers >>> >>> >>> On Wednesday, June 26, 2013 1:44:58 PM UTC-5, YT wrote: >>>> >>>> Thanks for the quick reply. >>>> >>>> My board is revision A5A. Should I be concerned with the SRM Rev A5.3 >>>> or I should be looking at A5.6 which is referring to Production A5C? >>>> Because Table 12 is not the same between the two SRM. >>>> >>>> On Wednesday, June 26, 2013 2:38:41 PM UTC-4, Gerald wrote: >>>>> >>>>> It is called P9. >>>>> The pins are 5 and 6. >>>>> It is in the System Reference Manual. >>>>> Table 12 >>>>> >>>>> Gerald >>>>> >>>>> >>>>> >>>>> On Wed, Jun 26, 2013 at 1:30 PM, YT <[email protected]> wrote: >>>>> >>>>>> Hi all, >>>>>> >>>>>> I've been reading the reference manual of Beaglebone black, and in >>>>>> page 42, it says "The 5VDC rail is connected to the expansion header. It >>>>>> is >>>>>> possible to power the board via the expansion headers from an add-on >>>>>> card." >>>>>> Can anyone point out which expansion header the manual is referring to >>>>>> and >>>>>> where is it? And is there any difference than supplying power from the >>>>>> barrel jack (eg. max current allowable)? >>>>>> >>>>>> Thanks a lot. >>>>>> >>>>>> Regards, >>>>>> Yeo >>>>>> >>>>>> -- >>>>>> 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]. >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>>> >>>>>> >>>>> >>>>> -- >> 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] <javascript:>. >> 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]. For more options, visit https://groups.google.com/d/optout.
