Memory Management Unit

This maintenance manual provides a detailed technical description and operational guide for the KT11-C Memory Management Unit, designed for the PDP-11/45 processor. It covers:

• General Description: Features like memory expansion to 124K words, dynamic read-only/execute-only protection, and memory management.
• Operation and Programming: Detailed information on address relocation, page registers (PAR/PDR), status registers (SR0-SR3), and page fault recovery routines.
• Logic Description: Deep-dive into the hardware interface, system address path (SAP), ROM and control logic, and timing diagrams.
• Installation and Maintenance: Guidelines for installing the SAP (M8107) and SSR (M8108) modules and using diagnostic tools.
• Appendices: Glossary and bibliographic references.