beagleboard not booting

Edward Vidal <vidal.develone@...>

Close to the USB I see a C and close to speaker XM I am assuming the This is XM-C
What would be the process to use
3.4.x kernel and a mainline u-boot.
I am new to poky and don't know much about bit bake and openembedded.
Can you suggest where to read about using a different kernel.
Thanks every thing helps.

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