630QB

This document is a comprehensive Field Maintenance Print Set for the 630QB MICRO VAX II WORLD BOX computer system, dated 1985. It provides detailed technical information essential for understanding, assembling, and servicing the system.

The document is organized into several key sections, covering:

1. 630QB MICRO VAX II WORLD BOX (Pages 1-10): General overview, unit variations, physical layout diagrams, internal assembly views, module utilization rules, and a complete parts list for the main system enclosure and its core components.
2. M7606 / KA630 (CPU) (Pages 11-81): Extensive documentation of the MicroVAX II CPU, including its parts list, assembly drawings, high-level block diagrams, and detailed circuit schematics. This section covers various logic functions such as address decoding, memory subsystem, Q22 Bus interface (including state machine logic listings and flow diagrams), UVAX & FPU architecture (including pinouts), and miscellaneous control circuitry. A comprehensive mnemonic dictionary explains signal names and terms.
3. FUNCTION SEL/SLU (Pages 82-85): Documentation for the Function Select/Serial Line Unit board, including its parts list, assembly details, and electrical schematic.
4. QBUS Grant Continuity (Pages 86-88): Details on the QBUS Grant Continuity card, including its parts list, assembly, and schematic.
5. BA123-A Basic Enclosure (Pages 89-110): Detailed information on the system's physical enclosure, covering its various sub-assemblies (frames, panels, doors), mass storage configurations, rear panel setup, internal wiring diagrams, and the QBUS backplane with its parts and assembly.
6. BA123-A Front Panel (Pages 111-115): Documentation for the front control panel, including its parts list, assembly diagrams, and electrical schematic for LEDs and switches.
7. TEMP SENSOR BD. (Pages 116-119): Details for the Temperature Sensor Board, including its drawing directory, parts list, assembly, and schematic.

Overall, the document serves as a complete technical reference, encompassing hardware specifications, physical layouts, electrical schematics, and operational logic descriptions for the 630QB MICRO VAX II WORLD BOX.