I've read different things about the iifx's special memory subsystem (separate r/w lines on the 64 pin simms, latched writes, etc) in Macworld and other pubs, but I have yet to find a detailed technical description of how it works. Can someone point me to a publication or any reference with this information?
Mac iifx memory subsystem
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While I can't help with the technical documentation, here's the May 1990 Macworld with the IIfx article (page 280). It's a great read for any IIfx aficionado..
Guide to the Macintosh family hardware : Apple Computer, Inc : Free Download, Borrow, and Streaming : Internet Archive
Apple Guide to the Macintosh Family Hardware, Second Edition, from Apple Computer. For Macintosh Plus, Macintosh SE, Macintosh SE/30, Macintosh Portable,...
archive.org
Info about the IOPs in the IIfx:
Guide to the Macintosh family hardware : Apple Computer, Inc : Free Download, Borrow, and Streaming : Internet Archive
Apple Guide to the Macintosh Family Hardware, Second Edition, from Apple Computer. For Macintosh Plus, Macintosh SE, Macintosh SE/30, Macintosh Portable,...
archive.org
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