PDP-11/44 Processor Maintenance

This document, identified as EY-C3012-RB-001, serves as a companion to the main maintenance documentation for the Digital Equipment Corporation PDP-11/44 processor. It is primarily composed of technical reference data, including:

• Microlistings: Detailed lists of microcode flows used in the processor.
• PROM/PLA Files: The source code and logic definitions for the various PROMs and PLAs (Programmable Logic Arrays) utilized in the system, along with descriptions of the PLATO assembler format used to code them.
• Wire Lists: Extensive documentation of backplane signal routing and pin assignments for the PDP-11/44.