Binder containing Cromemco Z-2, Z-2D Instruction Manual and Measurement Systems and Controls Addendum to Technical Manual for Model DM6400 Series, S-100 Dynamic Memory Boards. Duplicate Copy. S-100 Memory Board, Z80 Timing Diagrams, Z2/ Z2D Instruction Manual (Volume 7). Addendum to Technical Manual for Model DM6400 Series, S-100 Dynamic Memory Boards. Paragraphs follow: Attention: North Star Users, All Users, IMSAI Dio Users, and IMSAI Users. Technical Manual for Model DM6400 Series, S-100 Dynamic Memory Boards (1979). Contents follow: Memory Features and Description, Theory of Operation, Appendices, and Warranty. Also, Parts List for S-100 Dynamic Ram (Models: 6400, 4800, 3200, 1600, pp. 1 & 3 of 3. Timing Sheets follow: Z80 Timing @ 2 MHz from Cromemco, Northstar, Ithaca Audio, and Vector Graphic, 8080 Timing @ 2MHz, Z80 Timing @ 4 MHz from Cromemco and Ithaca Audio, Z80 Timing @ 4 MHz from Northstar and Vector Graphic. Schematic Logic Diagram of Model DM6400 64M Byte Dynamic Memory Board from Measurement Systems & Controls Incorporated (pp. 1 & 2 of 2, 01.1979). Z-2/ Z-2D Instruction Manual (five dollars) from Cromemco. Table of Contents follows: Introduction and System Overview, Power Supply Specifications, Assembly Instructions, Final Check-out Procedures, Installation of a Second Disk Drive, About Assembly Diagrams and Parts Lists, Assembly Diagram and Parts List for the Chassis, Rear Panel, Harness, and Disk, Power Supply Schematic, System Bus Structure, Assembly Hardware, and Warranty.