My pre-1.0 wishlist

Mike bellyacres at
Sun Jun 5 15:42:49 UTC 2016

On 06/05/2016 09:50 AM, Eric S. Raymond wrote:
> Gary E. Miller <gem at>:
>> On Sun, 5 Jun 2016 01:02:08 -0400
>>>> Use the console serial port.  Then you can see bootup even before
>>>> video init.
>>> Er, how? I don't see RS232 on that thing and don't know how the USB
>>> ports map to serial devices.
>> There is a little white 4 pin male connector.  On the short end opposite
>> the ethernet connector.  If you have serial to USB converter laying
>> around you can plug it in there.  Otherwise you need to buy their
>> adaptor for $13:
>> A much eassier way to get console than HDMI, etc.
> Only as a last resort.  This strikes me as a "now you have *two* probems"
> kind of answer.

Sounds very reasonable to me.  On the BBB the *only* way to see uboot 
output is with a serial connection on UART0.  No clue on the Odroid, but 
the BBB is 3.3v, so you have to ensure whatever you hookup is not 5v or 
not real RS232 voltages.


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