LSI-11 Maintenance Card

This document provides technical reference information for the LSI-11 (PDP 11/03) microcomputer system. It covers:

• Console ODT Commands: Essential commands for system control and debugging.
• Hardware Configuration: Jumpers, module versions, and backplane pin identification (H9270, DDV11-B).
• Diagnostics: Flowcharts and error codes for various boot and diagnostic routines (REV11, RXV11, RKV11, Absolute Loader).
• Processor & Module Data: Specific configuration jumpers for the KD11 processor (M7264) and memory modules (MSV11-B/CD, MMV11-A).
• Instruction Set & Bus: LSI-11 instruction set reference, ASCII codes, processor status word (PSW) definitions, and LSI-11 bus pinning diagrams.