Not sure what you are doing wrong, hard to tell.

What is your power source?
Is it grounded?
How much current can it supply?
Can you send a picture of your wiring?

Gerald


On Fri, Jul 24, 2015 at 4:37 PM, Carlos Novaes <carlos...@gmail.com> wrote:

> Pins P9.5 and P9.6 are supposed to be connected to the DC power jack, as
> stated in the BBB System Reference Manual (figure 23, and explicit stated
> in page 113). So, I am using a external power supply at  P9.1 ~ P9.2 as GND
> and P9.5 ~ P9.6 as +5V. The power led goes up but the board does not start
> to run and no other leds will blink. If I power up from DC jack or usb
> cable, everything goes as expected, so I ask if I am doing something wrong
> or should connect the other gnd pins. I double checked the connections and
> they are ok.
>
> Thanks,
>
> --
> Carlos Novaes
>
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-- 
Gerald

ger...@beagleboard.org
http://beagleboard.org/

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