IBM 3158 66-key Display Console Keyboard

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1972 Q3 Model B Type I System/370-compatible Console Keyboard (S370-T1)IBM beam springs More info on this keyboard

IBM-made 66-key operator console keyboard for the IBM System/370 Model 158 mainframe computer's 3158 Display Console (also known as the 3158 Operator Console). It was integrated into the large platform the console's CRT display was attached to. The keyboard notably had a green "START" key and red "STOP" and "IRPT" (interrupt) keys. It's also the earliest known IBM Model B (beam spring key-switch) based keyboard.

Sources

ASK. Admiral Shark's Keyboards original content. License/note: CC BY-NC-SA 4.0.

bitsavers - IBM System/370 Model 158 Functional Characteristics (#GA22-7011-4) [accessed 2023-09-02]. License/note: document archived by bitsavers, diagrams used under fair dealing.

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