| Publication Type | Book |
| Authors | Brewster, Richard |
| Source | Experimental Television Center, Binghamton, NY (1979) |
| Keywords | bibliographic |
| Abstract | Hocking System: D+7A Input/ Output Extension Box (12 pages). Packet contains Parts List, Extension for Cromemco D+7A Input/ Output Board, Version 1 (black): "D" Connector Disignation (09.1979), D+7A Input/ Output Extension Cable, Schematics for Extension of D+7A Input/ Output (10.1979), and Board Layout. D+7A I/O Extension, Version 2 (white, 03.1980): DO P-P Wiring List, Wiring Table- Digital Input, Power Supply, Joystick Buffers, Touch Switches, and Board Layout. |