On Fri, Apr 9, 2021 at 4:08 PM Al Kossow <aek@bitsavers.org> wrote:

> On 4/9/21 1:02 PM, Earl Baugh wrote:
>
> > And the original CPU boards didn’t have an MMU.
>
> wrong
>
> They didn't have a 68010 capable of recovering from page faults
>
> The original unix shipped on Sun 1's was a Unisoft port. The same
> one sold by several other companies that sold the original Sun CPU
> design.l
>
Right on both counts - his base/limit MMU even had a small PID/Context
register which was pretty slick at the time.  The MMU I created with Roger
Bates for the Tektronix Magonia was not that smart and when I first saw it
I did a face plant -- why didn't I think of that.
ᐧ