> > For what it is worth, I have two BBB's attached to a 2x12x12 block
> > of wood (that's US wood inches, which translates to around the size
> > of a hardbound book), with a five port switch and a seven port USB
> > hub and a power strip screwed to it  The BBB's get their power from
> > the USB hub
> 
> Don't use the USB connector to power the board, you will have problems
> in the future. The BBB runs at 550mhz by default. Some drivers of u-boot
> (not available yet in the official source code) will check if your board
> is connected to the USB port or the real power connector. The driver
> won't increase the cpu speed to 1ghz if you're using the USB connector.

Why?

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