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Article #1192

68000 vs 68020

#1192
From: Marc Sarrel
Date: Tue, 11 Jul 1989 00:25
32 lines
2037 bytes
A friend of mine just bought at 16MHz 68000 accelerator card for his
SE.  How much performance difference is there between a 16MHz 68000
and a 16MHz 68020?

A while back I was considering buying a 68020 accelerator for my Plus,
but I decided that I didn't really have the money.  Also, there are
problems.  You have to buy more memory to put on the separate board to
take advantage of the wider data path and at least one manufacturer
required you to rely on them for _modified_ system software (not just
an init) in order to use there product.  Unfortunately, that
manufacturer had the best, most comprehensive package (also the most
expensive). There were also compatability problems.  Even some
software that would run on a Mac II, would not run on a Plus with some
68020 accelerators.

Are 68000 accelerators a cost effective alternative?  Can you get
faster then 16MHz?  I don't want to be dependant on a small company
for modified system software and I don't want to have strange
compatability problems.  Also, even if a '020 board works with the
current system, will it work with future systems releases?

I figure that the 68000 boards are the saftest although probably not
the best performance wise.

Any comments, suggestions and helpful hints will be appreciated.

--marc
-=-
"Master, why is the letter 'i' the symbol for current?"  "Because there is
no letter 'i' in the word 'current'."  "Master, why do we use the letter
'j' for sqrt(-1)?"  "Because we use the letter 'i' for current."  Whereupon
the Master struck the Disciple, and the Disciple became enlightened.
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From: sarrel@sioux.cis.ohio-state.edu (Marc Sarrel)
Newsgroups: comp.sys.mac
Subject: 68000 vs 68020
Message-ID: <SARREL.89Jul10202542@sioux.cis.ohio-state.edu>
Date: 11 Jul 89 00:25:42 GMT
Sender: news@tut.cis.ohio-state.edu
Distribution: comp
Organization: Ohio State Computer Science
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