I too lose power to my USB bus after about a minute of operation. The 
unpowered USB hub is connected to a cheap USB keyboard, a Razer Death Adder 
mouse (whose details were included in case the additional current draw from 
a laser mouse messes anything up), and a micro USB wifi adapter.

I also noticed that when starting up the BBB with the fully loaded hub and 
an ethernet cable plugged in, the ethernet controller wont connect

On Friday, November 15, 2013 7:46:23 PM UTC-5, kfre...@gmail.com wrote:
>
> Hello,
>
> First a little bit of a background:
>
> I have a beaglebone black connected to the mains with a 5V, 1A DC power 
> supply.
> I'm running an Xbee USB adapter board (http://goo.gl/ygIboV), and an XBee 
> 900HP 
> (http://goo.gl/0ZhtM6<http://digi.com/products/wireless-wired-embedded-solutions/zigbee-rf-modules/point-multipoint-rfmodules/xbee-pro-900hp>)
>  
> on the USB port.
> It's running stock Angstrom Linux.
>
> The problem is this:
>
> About every 24 hours, the lights on my Xbee adapter board turn off and the 
> device is nowhere to be seen on my lsusb output.  Usually I can still ssh 
> into the board after this happens.  After a reboot, the board is fine for 
> another 24 hours before the same thing happens again.
>
> I have a hunch that the problem is the power supply, but is there anything 
> else I could try before I go out and buy a new, more powerful supply?
>
> My other question is why would the Xbee work at all if the problem is in 
> fact a power supply that isn't strong enough?
>
> Thanks,
>
> Kent Friesen
>

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