Thursday, December 24, 2015


This is a 6 high DEC KDJ processor board.  It seems like it could be an 11/84 processor, which is Unibus, but the layout doesn't match.  This board is Unibus as well, not QBUS like the 11/83

Attached are some shots of a document, and two pages of layout info from schematics.

Made in Japan with quite a bit of the document in Japanese.

Photo of board and scan of manual to follow.

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