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Article #3343

Re: pmmu

#3343
From: Garth Snyder
Date: Sun, 20 Aug 1989 20:53
32 lines
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jchau@castor.usc.edu (Jeffrey Chau) writes:
 
> I got mu Mac II with 5 Meg of rams and 40 Meg HD last september and
> soon after collecting the machine, Apple introduced the Mac IIx and
> subsequently the IIcx.  Not lone after that, I heard rumors that Apple
> will be terminating the Mac II and I discovered my machine would soon
> join my many other apples as 'orphaned' computers.  I started to
> search for an upgrade path for my Mac II but to my dismay, the cost is
> fantastic.... just like buying a new machine.

There's no need to be so concerned.  Except for the high-density
floppy drive, there's really little difference between the II and the
IIx.  The 68030 has no significant advantage over the 68020/PMMU
combination except the ability to run the memory with one wait state
instead of two.  This only buys you about a 15% increase in speed.
Put a $250 Sprint II cache board in your II, and it will run faster
than a IIx.

This info comes from a column in this week's MacWeek written by none
other than David Ramsey, the man fired by Apple for having a
slightly-too-big mouth on CompuServe.

As for the PMMU, there is a Usenet group purchase underway at this
very minute.  Send mail to Tad, the amazing coordinator, at
mblakele@jarthur.claremont.edu for more info.

--------------------
Garth Snyder
Sun Microsystems, mail drop 14-40       ARPA: garths@eng.sun.com
2550 Garcia Avenue                      ALSO: garth@boulder.colorado.edu
Mountain View, CA  94043
--------------------
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Message-ID: <122664@sun.Eng.Sun.COM>
Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!mailrus!tut.cis.ohio-state.edu!brutus.cs.uiuc.edu!apple!sun-barr!newstop!sun!glass!garths
References: <4804@merlin.usc.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!mailrus!tut.cis.ohio-state.edu!brutus.cs.uiuc.edu!apple!sun-barr!newstop!sun!glass!garths
From: garths%glass@Sun.COM (Garth Snyder)
Newsgroups: comp.sys.mac
Subject: Re: pmmu
Keywords: Mac II, Pmmu, 32 bit Quickdraw
Message-ID: <122664@sun.Eng.Sun.COM>
Date: 20 Aug 89 20:53:21 GMT
References: <4804@merlin.usc.edu>
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Distribution: usa
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