KDJ11-B CPU System Maintenance

This document provides detailed maintenance and configuration information for the KDJ11-B family of central processing units (KDJ11-BB, KDJ11-BC, and KDJ11-BF). It covers system installation and configuration for various enclosures (BA23, BA123, BA200-series), including detailed jumper and switch settings for associated memory modules (MSV11-P, MSV11-Q, and MSV11-J). The manual also includes extensive troubleshooting procedures based on power-up self-tests, ROM-based diagnostics, console emulator mode, and the use of the Octal Debugging Technique (ODT). Additionally, it describes differences across ROM versions (V6.0, V7.0, and V8.0) and provides instructions for formatting RD- and RX-series disk drives.