> | What better way to exercise the portability of NetBSD?  We've got
> 32-bit | and 64-bit archictures sorted.  Certainly there would be some
> challenges | left with 36-bit support, no?  Given the availability of
> several PDP-10 | emulators and the work on GCC, I don't see why it
> couldn't be done.
>
> Lack of a real MMU is probably going to cause problems, especially
> since UBC requires MMU functionality.

Only a problem on a PDP-6 (166 processor) or KA10.  The KI10, KL10, and
KS10 processors all have a real MMU.  Even the KA10 sometimes had an
added MMU, the BBN Pager.