> scc0 at ioasci0 offset 0x100000
>
> the kernel seems to stop.
>
> At the PROM printenv gives me:
> ...
> console=1
> more=0
> #=3
> osconsole=0,3
> ...

I assume you're using graphic console.  What's the type of yours?  Is it
listed supported graphic cards of NetBSD/pmax?

To force the system working with serial console,

     >> setenv console s

If you hook serial terminal with serial port, you would get >> prompt
immediately.

Tohru Nishimura
Nara Institute of Science and Technology