Desktop Serial Output

Framework Desktop
1

Is there a way to get serial output from these boards?

Context:

I’m trying to get OpenBSD 7.8 to boot from USB on one of the AMD Ryzen AI Max+ 395. Desktops. It seems to get stuck sometime after “ExitBootServices()” is called from the BSD efi code.

I was hoping that I could find a way to get more output from a serial connector, but I haven’t been able to find any documentation about where / how to do that. Is this possible with these boards?

2

There’s a serial output from the Embedded Controller. I haven’t tried connecting to it yet so I don’t know if it also shows the boot up process or not.

3

More info here:

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