> After I found this out I considered 
> installing Linux but the pmax port of Linux doesn't support this card either.
>
>     [ ... ]
>
> So I have three questions that maybe someone can help me with:
> (1) Is anyone working on support for the PMAG-J card, meaning I can
>    just wait  a little longer and all my problems will be solved?

Just keep it.  There is WSCONS video driver for it in dev/tc/tfb.c and
it's known working.

Tohru Nishimura