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Re: NeXT ...

    Date: Wed, 19 Oct 88 12:21:29 -0400
    From: jjd@ALEXANDER.BBN.COM (James J Dempsey)

    Of course, on the Macintosh, Ivory can't use the RAM on the processor
    board because Apple doesn't allow them to partition main memory
    between the 68020 and other processors.  A Mac II with 8MB of main
    memory still needs 8MB of NuBus memory in order to support MacIvory.

I was told by a Symbolics person at AAAI that the Ivory can access the
SIMM memory (on board with the Mac), but that it takes longer than
accessing NuBus memory because the Mac processor has to get involved.