[rescue] Mac Appliance

rescue at sunhelp.org rescue at sunhelp.org
Fri Aug 3 21:44:23 CDT 2001


mcguire at neurotica.com writes:

>> I keep forgetting that insanely weird fact: the original Lisa had
>> paging but not pre-emptive multitasking.

>  Eeeek, I didn't know the Lisa had paging.  That's scary.

Yep. Custom MMU made from discrete logic. The processor board on
the Lisa is a full board, with the 68K tucked away in a corner.
Which helped severely cripple CPU speed of course... :-)

-------- David Fischer --------- dave at cca.org --------- www.cca.org --------
-------- If it wasn't for good luck, I wouldn't have no luck at all. -------



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