KD11-B Processor

This manual, published by Digital Equipment Corporation in 1975, offers a detailed technical examination of the KD11-B processor, a core component of PDP-11 computer systems. The document covers:

• Microprogram Control: Describes the control store, microprogramming flow, and branching logic.
• Console Description: Details the address/data register logic and console switch functions for manual operation.
• KD11-B Detailed Description: Provides an in-depth breakdown of the data path, Arithmetic Logic Unit (ALU), instruction decoding, Unibus control, and power failure routines.
• Maintenance: Offers practical advice for isolating failures, performing adjustments, and utilizing the KM11 maintenance panel and diagnostic test equipment.