MCA25 Cache Pager

This document is a field maintenance print set for the MCA25 Cache Pager unit. It provides comprehensive logic and wiring information required for system maintenance and troubleshooting. The document includes:

• Table of Contents: Lists of unit variations (MCA25, MCA25-AA, MCA25-AB).
• Module Utilization: A detailed chart for the KL10-PW/MCA25 cache option locations.
• Option/Serial Number Chart: Source wiring references for various options and serial number bits.
• Schematics and Drawing Directories: Detailed logic diagrams, component layouts, and drawing listings for modules including M852 (Cache Directory), M853 (Cache Extension), M854 (Physical Memory Address), M855 (Paging Board), M856 (Cache Data), and M857 (MBOX Control).