5 Nov
2010
5 Nov
'10
5:55 a.m.
On 11/3/10 4:04 PM, Johnny Billquist wrote:
That
sounds like the design of the Perkin-Elmer workstation I have -
two 68000s, one for running the OS, one for paging.
I wouldn't be surprised to learn that SUN did something similar as well...
They didn't, at least not in any machine that made it into
production. They used an MMU of their own design, implemented in
descrete TTL, PALs, and gate arrays, until they moved to the 68030.
-Dave
--
Dave McGuire
Port Charlotte, FL
and a second
CPU, Apollo made the primary CPU stall on a page
fault, and the
> secondady CPU wake up. The secondary CPU could then do a page in...