MicroVAX II Upgrade Installation Guide

This document outlines the step-by-step procedure for upgrading an existing MicroVAX I or BA23-based MICRO/PDP-11 system to a MicroVAX II. It covers unpacking the upgrade kit, removing the system cover and old modules, installing the new CPU and disk controller modules, reassembling the system, and installing the new MicroVAX II medallion. The guide also contains a section on returning the original CPU modules to Digital Equipment Corporation and includes a list of relevant module part numbers in the appendix.