This document contains a comprehensive set of engineering drawings, parts lists, and specifications for the Digital Equipment Corporation GT40 Graphic Display Terminal.
Key sections include:
- System Overview: Contains the customer print set index for the GT40 terminal, including keyboard assemblies (LK40), display terminals (VR14), power control assemblies, and various interface modules.
- Display Terminal (VR14): Provides detailed schematic diagrams, parts lists, and engineering specifications for the VR14 CRT display unit, including its power supplies, deflection circuits, and alignment/checkout procedures.
- Computer Assembly (VT40): Includes drawings for the VT40 computer assembly, encompassing the 16-bit processor, bus control, ROM patterns, and vector generator logic.
- Processor (KD11-B): Details the 16-bit processor (KD11-B) including microprogram flows and binary listings.
- Interfaces: Documentation for the Asynchronous Line Interface (DL11) and associated cables.
- Miscellaneous: Includes detailed wire tables, assembly drawings for power components, and specific ROM pattern specifications for various modules within the system.
The document serves as a complete technical reference for the manufacturing, maintenance, and logical operation of the hardware components making up the GT40 graphics system.