MS11-L MOS Memory

This user guide provides comprehensive technical information for the MS11-L MOS memory module, a random access memory designed for the PDP-11 Unibus or special buses.

Key contents include: - Characteristics and Specifications: Details on the four versions (MS11-LA through LD) ranging from 32K to 128K, functional descriptions, access/cycle times, and electrical/environmental specifications. - Installation and Programming: Procedures for configuring switch and jumper settings (addressing, I/O page size, bus selection), power voltage setup (including battery backup configurations), and backplane placement. - Programming: A detailed breakdown of the Control and Status Register (CSR) bit assignments, which are essential for parity control, error logging, and diagnostic purposes. - Testing: Guidance on using the MAINDEC-11-CZQMC diagnostic program to verify memory operation.