Original George Morrow Disk Jockey 2D Revision 3 schematic documentation set, copyright 1979.
This original documentation consists of three double-sided sheets containing five schematic pages, covering the Disk Jockey 2D floppy disk controller for S-100 bus computer systems.
Features include:
- Original 1979 documentation (not a reproduction)
- Disk Jockey 2D Revision 3
- Five schematic pages on three double-sided sheets
- Board select logic and address buffers
- RAM, ROM, and data buffers
- Write data and separator logic
- Serial interface logic
- Disk buffer, power-on jump logic, and function register circuitry
A scarce piece of early microcomputer history that would make an excellent addition to an IMSAI, Altair, or S-100 bus documentation collection, or for anyone restoring a George Morrow Disk Jockey 2D controller.
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