Editing PDP-11/20 Documentation (section)

== KA11 Processor Manual (DEC-11-HR2B-D) ==
DEC's manual for the 11/20 processor, fifth printing May 1972 (first printing September 1970), 91 pages scanned.<ref name="ka" /> Chapters 1 to 4 give the theory of operation of the KA11, its instruction execution and the power-fail logic. Chapter 5, maintenance, lists the engineering drawings and test equipment, explains module identification and layout, multiple-box systems and power control, and gives the processor clock adjustment, the KA11 removal procedure and maintenance tips on the MAINDEC diagnostics and the KM11 maintenance set.<ref name="ka" /> The logic drawings themselves are in the separate KA11 engineering drawing volume, not in this scan.

<pdf width="800" height="500">File:KA11 Processor Manual (DEC-11-HR2B-D).pdf</pdf>

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