[vcf-midatlantic] Altair 680b bus documentation?

Bob Applegate bob at corshamtech.com
Sat Jul 18 10:38:39 EDT 2020

Is there any clear documentation about which signals are on which pins of the Altair 680b bus?  It’s an S-100 connector, and when I look at schematics for the main board and other boards offered by MITS it looks like only 50 were actually used.  Maybe I missed some important document which clearly defines the signals.



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