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!
The BeagleBone Black & BlueSteel Basic seem to be extremely sensitive to
the rise time of the 5V power supply at startup.
1 ms or longer is a problem, and it is not at all unusual for power
supply to be slower than this.
200 us is reliable.
See also:
https://groups.google.com/forum/#!msg/beagleboard/aXv6An1xfqI/Vy9JxPRvIPwJ
The original BeagleBone White, for whatever reason, did not have this
issue. (Anyone know why?)
I feed my raw power in through a voltage-controlled solid state relay
circuit, and I get 100% reliable startups now.
- Mike
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