One fast blink of the power LED is a good indication that the processor is shot.
On Tue, Feb 7, 2017 at 1:59 AM, <[email protected]> wrote: > So I have now removed the board from the machine and plugged it in to the > computer USB again. One fast LED blink happens when it is connected. I have > pressed reset button, I have pressed power off. Nothing more happens. So is > the board dead or not? There is nothing connected to the board itself only > the USB to power it. > > Den tisdag 7 februari 2017 kl. 02:15:30 UTC+1 skrev Dennis Lee Bieber: >> >> On Mon, 6 Feb 2017 13:05:35 -0800 (PST), >> [email protected] declaimed the following: >> >> >Thanks all for great posts. Tomorrow I will start by cleaning the >> machine from all potential leftover aluminium chips from previous milling >> carefully. I believe that this is the most promising lead so far, a short >> circuit in a connector somewhere. I will keep you posted here of the >> result. >> >> That is also the most likely killer... A short between 5V and >> ground >> could overload the current capability of the regulators. A short between >> 5V >> and any GPIO pin could kill the main processor (3.3v except for ADC pins >> which are 1.8V). >> -- >> Wulfraed Dennis Lee Bieber AF6VN >> [email protected] HTTP://wlfraed.home.netcom.com/ >> >> -- > 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/b28c3c2c-ddb1-4749-aa80-e398e3fa68b1%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/b28c3c2c-ddb1-4749-aa80-e398e3fa68b1%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/CALHSORrZX9F6Li6Oeu19wN-C%2Byt6oMVacqSyjsw1Gk%3DhxfgNog%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
