Sounds like the explanation to me. - thanks for that. .... I don't have the skills to rework the board so I'll just put up with it. Not a huge issue for me.
cheers, On Friday, 2 May 2014 21:11:44 UTC+2, Brandon I wrote: > > The beaglebone had a power up issue. Rev A6A fixed it: > > From the wiki<http://www.elinux.org/Beagleboard:BeagleBoneBlack#Revision_A6A> > : "Changed C24 to a 2.2uF capacitor. This extends the reset signal to > solve an issue where some boards would not boot on power up." > > I have around 40 beaglebones running and this was a pretty serious problem > for us. Our users guides have a somewhat embarrassing "If the board > doesn't boot, unplug the power and wait 10 seconds." I have around 20 Rev. > B boards, and I haven't seen one fail to power up. > > You could always rework the board yourself! :D > > > On Friday, May 2, 2014 5:14:03 AM UTC-7, Gerald wrote: >> >> Sounds like you may have an issue with your board. You can always send it >> in on an RMA and we can look at it. >> >> Gerald >> >> >> >> On Thu, May 1, 2014 at 10:51 PM, DLF <dumb.lo...@gmail.com> wrote: >> >>> Hi and thanks for your reply >>> >>> Well this is not true for me (my BBB won't boot directly with DC (Rev >>> A5C))... but it is not a deal breaker for me. >>> >>> As this is Richard's thread I'll back out now I don't want to be a >>> budinski. >>> >>> BTW, Gerald & Robert, a friendly thank-you for all the work with BBB. >>> I've learned a few things along the way and I appreciate your efforts. >>> >>> merci, >>> >>> >>> >>> On Tuesday, 29 April 2014 19:39:03 UTC+2, Gerald wrote: >>> >>>> Do not touch the power button unless you plan to turn it off. The SRM >>>> is correct. >>>> >>>> To power on all you have to do is plug in the power, either USB or DC. >>>> >>>> Gerald >>>> >>>> >>>> >>>> On Tue, Apr 29, 2014 at 12:35 PM, DLF <dumb.lo...@gmail.com> wrote: >>>> >>>>> Hi, >>>>> >>>>> now I am confused because I thought it was normal procedure to hold >>>>> the power button after inserting the 5V jack. (as noted by Richard-tx) >>>>> >>>>> I always have to hold the power button after inserting the jack. When >>>>> I insert the jack, I see a brief blue light from the pwr LED next to the >>>>> 5V >>>>> connector and then nothing. If I hold the power button it boots. - >>>>> every >>>>> time. >>>>> >>>>> This thread lead me to believe the power button was the right way to >>>>> do it ! https://groups.google.com/forum/#!topic/beagleboard/ >>>>> FGeL6jzOcB0 >>>>> >>>>> however the SRM indicates otherwise .... :( >>>>> >>>>> 7. Booting the Board >>>>> As soon as the power is applied to the board, it will start the >>>>> booting up process. >>>>> When the board starts to boot the LEDs will come on in sequence as >>>>> shown in Figure >>>>> 15 below. It will take a few seconds for the status LEDs to come on, >>>>> so be patient. >>>>> The LEDs will be flashing in an erratic manner as it boots the Linux >>>>> kernel. >>>>> >>>>> >>>>> It is not the end of the world for me, but just interested all the >>>>> same. >>>>> >>>>> cheers, >>>>> >>>>> >>>>> On Monday, 28 April 2014 14:17:43 UTC+2, Gerald wrote: >>>>> >>>>>> It is supposed to power up automatically when you plug in the DC >>>>>> cable. >>>>>> >>>>>> Gerald >>>>>> >>>>>> >>>>>> >>>>>> On Sun, Apr 27, 2014 at 10:20 AM, Richard-tx <rich.a...@gmail.com>wrote: >>>>>> >>>>>>> The way my BBB works is like this: >>>>>>> >>>>>>> To power up the BBB from OFF when powered from the 5 v jack, I have >>>>>>> to press the power button. >>>>>>> To power up using the mini-usb connector, all I have to do is turn >>>>>>> on the USB power. >>>>>>> >>>>>>> My question is this. Is there a way to have the BBB automatically >>>>>>> power up when power is applied to the +5 jack? >>>>>>> >>>>>>> . >>>>>>> >>>>>>> -- >>>>>>> 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. >>>>>>> >>>>>>> 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...@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...@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. 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