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From: newton@nodename.dec.com
Newsgroups: comp.sys.mac.programmer
Subject: Re: SE and Plus
Message-ID: <396@mountn.dec.com>
Date: 5 Jul 89 15:47:47 GMT
Sender: news@mountn.dec.com
Organization: Digital Equipment Corporation
Lines: 10

The Macintosh Plus and Macintosh SE (the regular one, not the /30) will never
be able to participate in 32-bit addressing because the 68000 processor which
they use is limited to 24-bit addressing.  (Obviously if you place a 68020 or
68030 board in your Plus this might no longer be the case).  Whether you will
be able to use most of the 24-bit address space for RAM depends on the design
of the hardware; the original Mac, at least, did not do much address decoding.

                                        -- Thomas Newton

Disclaimer: Opinions expressed are mine and not necessarily those of Digital.