1170 Maintenance Service Guide

This document, the 1170 Maintenance Service Guide (Version 3), is a comprehensive technical reference for field service engineers working with the PDP-11/70 computer system. It provides detailed information on various hardware components, including the CPU, Cache, Memory Management, Unibus Map, and peripheral controllers like the RH70, MJ11, and MK11. The guide includes essential documentation on diagnostics, bootstrap procedures, jumper and switch settings, and cabling diagrams. It also contains specific troubleshooting aids, field change order (FCO) indices, and instructions for running memory diagnostic procedures, making it a critical resource for system maintenance and error resolution.