I already burned down three of BBB, and now I totally give it up! On Feb 27, 2015, at 12:26 AM, David Crawford <[email protected]> wrote:
> The power supply I bought is from AdaFruit, which I expected to be well > suited to my BBB. > > I haven't yet tried booting from an SD card, so I'll do that this evening. > > On Thursday, February 26, 2015, Gerald Coley <[email protected]> wrote: > I suggest you switch to a \different power supply. A good one. > > http://www.elinux.org/Beagleboard:BeagleBoneBlack#Improper_Power_Down....All_Revisions > > Gerald > > > On Wed, Feb 25, 2015 at 7:38 PM, <[email protected]> wrote: > My Rev C BBB purchased from Adafruit just died on my in the exact same way. I > can't get it to boot at all whether connected to USB or 5V power supply. > > > > On Wednesday, February 25, 2015 at 2:02:07 PM UTC-5, Mike Traynor wrote: > Thx. Will try another PS if I can find one. Otherwise will have to stick > with USB for now. M. > > On Wed, Feb 25, 2015 at 9:07 AM, Gerald Coley <[email protected]> wrote: > I have seen this before. The USB path and 5VDC paths are different through > the PMIC. It is possible that the PMIC has sustained some damage or it could > be the 5VDC power supply is not powering up properly, where it has a voltage > spike, causing the PMIC to shutdown. > > Past performance of power supplies is no guarantee of future performance. It > could be right on the edge. > > Gerald > > On Wed, Feb 25, 2015 at 10:27 AM, <[email protected]> wrote: > Identical problem this morning: BBB boots fine when powered by USB, but not > when powered by a 2.0 mA rated 5.0 V DC power supply (nicked from some other > device). BBB power LED blinks continuously. This power supply has worked > with this BBB in the past. > > Mike. > > > On Friday, January 23, 2015 at 8:44:59 PM UTC-8, [email protected] wrote: > I had a similar problem- my power LED would just continue blinking when > connected to a 5V power source. This meant there was something wrong. First, > I checked if my BBB was still alive. To find that, I connected my board to a > computer via USB. Surprisingly, this time power LED turned on normally. Then > to make sure that everything was properly, I ran some program as given in the > BB website http://beagleboard.org/getting-started. I was happy to see, the > programs on the website worked just fine on my board. Thus, I was able to > conclude that strangely, my BBB board didn't like 5V external power source! > > On Friday, November 22, 2013 at 6:41:41 AM UTC-8, Bert Lindner wrote: > > Just had a 5V powered Beaglebone Black seemingly die on me. First the power > led kept blinking, then after removing the (BB Toys CAN) cape the power led > would flash just once after applying power. Looking back in previous threads > this seemed to mean I killed the board somehow; there was also a GPS module > attached to one of the UARTs and a probably power hungry USB wlan stick that > I'm trying to get to work, so a power hungry setup. > > I was ready to declare it dead, it remained just flashing once after > repeatedly unplugging and reattaching the power supply. > > However I noticed the single power led flash would also happen if I pressed > the power button (leaving the 5V plug in). Doing that repeatedly seems to > have revived the board, will see if new problems occur. For now it behaves > normally. > > Is this expected behaviour? > > Best, > > -Bert > > > -- > 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. > > > > -- > Gerald > > [email protected] > http://beagleboard.org/ > http://circuitco.com/support/ > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the Google > Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/jBFshjlPeHI/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > 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. > > > > -- > Gerald > > [email protected] > http://beagleboard.org/ > http://circuitco.com/support/ > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the Google > Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/jBFshjlPeHI/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > 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 a topic in the Google > Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/jBFshjlPeHI/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > 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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