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From: mcdonald@fornax.UUCP (Ken Mcdonald)
Newsgroups: comp.sys.mac
Subject: '030 daughterboard possible?
Message-ID: <933@fornax.UUCP>
Date: 21 Mar 89 23:50:57 GMT
Distribution: na
Organization: School of Computing Science, SFU, Burnaby, B.C. Canada
Lines: 21

There is a current wave of Apple price/upgrade bashing going on the net,
started by a posting put out by me complaining about the hight upgrade
cost of II->IIx.  I still stand by this complaint, but would like to make
one further note, and ask another question.

One of the biggest disappointments to me in terms of Apple's upgrade
behaviour concerning the Mac II was the implicit soft shoe routine they
pulled by putting a PMMU socket on the Mac II board, and then never releasing
a Mac II with a PMMU, but instead going to the '030 WITHOUT PROVIDING A SIMPLE
DAUGHTERBOARD EXPANSION to retrofit an '030 to the Mac II.  I can't see any
technical reason it can't be done, it would give you essentially a IIx (call
it a IIx/2?) at a far lower price than a motherboard swap, and it wouldn't cost
anymore than buying a PMMU for the II.  The advantages are that you sidestep any
weird campatability problems arising from the differences in the PMMU's, and
you don't have the penalty of an extra wait state.  Of course, if there are
technical reasons why a daughterboard like this can't be produced (which is my
question, natch--is this feasible), then flame on.  Otherwise, flame Apple.

As usual, please disregard the typos--I'm just too lazy to fix them.

Ken McDonald