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P/N 4742702

IBM 3104/3178 EBCDIC Typewriter Keyboard

Type
Model F 3104/3178 Terminal Keyboard
Nickname
Blue Switch
OEM
IBM
Earliest Appearance
1983
Original Keycaps
PBT with dye-sublimated legends
Casing Colour
Pearl White
Protocol
IBM 3104-specific
Connection
Cable
Cable
Grey straight fixed DA-15
Key Count
87
Form Factor
Navblockless
Layout/Language
German
Data Last Updated
2022-04-24

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Variant of a Model F 3104/3178 Terminal Keyboard
Variant of a Model F 3104/3178 Terminal Keyboard
Variant of a Model F 3104/3178 Terminal Keyboard

The so-called "blue switch" Model F terminal keyboards were a series of five keyboards originally for the IBM 3178 Display Station released in Q1 1983 and later for the IBM 3104 Display Terminal. Characterised by their blue switch used for toggling the terminal's display between mixed-case or uppercase-only characters, these Model Fs featured a heavily modified XT-like layout with two or three function banks depending on SKU. These keyboards are known for sporting a solenoid, something relatively unusual for Model F keyboards.

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