Subject: Re: CTIX architecture
To: Dave McGuire <email@example.com>
From: David Maxwell <firstname.lastname@example.org>
Date: 12/08/1994 10:06:22
Dave McGuire wrote:
In response to Mark:
In response to Dave:
> > > Seems to me that if it's a 68000 (not 68020) it would be a bit of a
> > > problem...but if it's an '020 or better, it's probably just a matter
> > > of device drivers.
> > Ehh, the 68020's have no MMU...the 020 Mac II's had an option for
> > a 68551 (68851?) PMMU. So Unix would require 020+PMMU or >= 030.
> Ahh, understood...I was thinking of the Sun3 port but they have
> [essentially] an mmu on the cpu board anyway...Don't the CTIX machines
> have the same functionality?
I haven't gone MMU hunting, but I'd imagine they used the 68551, That's the
way Commodore went for their '020 board for the Amiga (model 2620, which was
supposed to be their first Unix capable configuration) too.