What are you trying to do? To use CCS in bare board mode, you need an SDCard 
that sets up the board to work with CCS. From what I recall, you need more than 
just the DDR3 GEL file to get BBB working. 

Regards,
John




> On Sep 19, 2017, at 1:45 PM, tlsmith3...@gmail.com wrote:
> 
> Running into an issue where we were able to see console output on the serial 
> console when no JTAG or CCS was connected.  After connecting CCS to JTAG and 
> updating the DDR3 gel file we were able to see the output over the CCS serial 
> console.  After disconnecting the JTAG and CCS and doing a board reset, we 
> can no longer see anything over the original serial console.  Disconnected 
> the serial console, did hardware reset, unplugged the BBB from the power 
> supply and still the BBB simply appears hung or redirecting output or simply 
> not responding CPU hung after power is applied.
> 
> What is causing this condition.  It is fine when JTAG is connected and using 
> CCS. But board appears hung with no CCCs or otherwise on reboot when JTAG and 
> CCS is not connected. What is taking place?
> 
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