M9312

This document is a Field Maintenance Print Set for the M9312, developed by Digital Equipment Corporation in 1978. It provides comprehensive information for maintaining the M9312, including a table of contents listing various drawings and procedures such as circuit schematics, assembly drawings, parts lists, setup and installation procedures, and ROM listing diagnostics. The document also includes details on unit variations, print set order numbers, and a revision history. Several pages of schematics detail the M9312's circuitry, including connections, component locations, and logic functions. The print set also contains detailed parts lists, with specific part numbers and descriptions for components used in the M9312. Additionally, it offers setup and installation procedures, including jumper configurations and switch settings for various operating modes, as well as ROM installation and identification tables. Diagnostic tests are also outlined, covering CPU, memory, and cache functionalities, along with procedures for console emulation and error handling.