I also found that it has a serial console available over USB. This worked 
for me from an Ubuntu laptop with the BBBL plugged in (assuming you have 
the screen utility):

screen /dev/ttyAMC0 115200

It's possible the BBBL would also register a COM port for this on Windows, 
but I haven't tested that.

On Sunday, August 13, 2017 at 10:29:37 PM UTC-4, Jeffrey Obadal wrote:
> I've used UART0 (UT0) to do exactly that. You can use the documentation on 
> the github site to find the location:
> https://github.com/beagleboard/beaglebone-blue/blob/master/docs/BeagleBone_Blue_ShortSpec.pdf
> https://github.com/beagleboard/beaglebone-blue/blob/master/BeagleBone_Blue_sch.pdf
> On Tuesday, August 8, 2017 at 12:09:48 PM UTC-5, Ryan Van Rooyen wrote:
>> Is there any way to view the BB Blue's boot status over a serial 
>> connection?  It looks like the BB Black had explicit pins you could connect 
>> a USB to TTL serial cable with to connect to the device.  Does anyone know 
>> if the BB Blue has the same pins and which pins those are?  I'm trying to 
>> diagnose a possible error during boot, is there any other ways to view boot 
>> status info/diagnose boot issues?
>> -Ryan

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