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From: markp@valid.UUCP (Mark P.)
Newsgroups: comp.sys.amiga
Subject: Re: rumor mongering again (PCs w/o MMUs really)
Message-ID: <930@valid.UUCP>
Date: Thu, 22-Jan-87 18:53:05 EST
Article-I.D.: valid.930
Posted: Thu Jan 22 18:53:05 1987
Date-Received: Sat, 24-Jan-87 00:39:36 EST
References: <1595@uwmcsd1.UUCP> <118300005@iuvax> <182@pembina.alberta.UUCP>
Organization: Valid Logic, San Jose, CA
Lines: 17

> And in the wings are:
> 
> 		MC68030 -	MMU on chip (Double bingo)
> 				This will be the first time
> 				Motorola delivers an MMU not
> 				much later than the processor
> 				[Correct me if I'm wrong].

That isn't necessarily true, depending on how you define "deliver."  It's
still completely possible to produce a chip with a functional CPU and dis-
functional MMU that works as long as you keep the MMU in "don't-translate"
mode.  Considering the performance benefit of the faster bus and twin caches
of the 68030 (assuming that THEY work), the chip would still be tremendously
useful without an MMU.  Just an idle thought...

	Mark Papamarcos
	hplabs!{ridge,pesnta}!valid!markp