IBM Personal System/2 Enhanced Keyboard

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Admiral Shark's Keyboards (CC BY-NC-SA 4.0)

1987 Q2 Model M Enhanced PC Keyboard (second generation)IBM membrane buckling springs More info on this keyboard

W/ IBM grey oval badge

eg, P/Ns 1391401, 1391402, 1391403, 1391404, 1391405, 1391406, 1391413, 1391506

IBM-made 101-key (ANSI), 102-key (ISO) or 104-key (ABNT) Enhanced Keyboard intended for IBM Personal System/2s and compatibles. They're considered to be the most common type of Model M keyboard.

Relations

Derivative designs

IBM Airline Reservation System Keyboard (w/ IBM grey oval badge)

IBM PC/3270 Host Connected Enhanced Keyboard (w/ IBM grey oval badge)

IBM Personal Typing System Enhanced Keyboard (w/ IBM grey oval badge)

IBM Personal System/2 Enhanced Keyboard (w/ IBM blue oval badge)

Sources

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

Joe/Ellipse @ modelfkeyboards.com - 500+ photos of my IBM Keyboards [accessed 2022-05-02]. License/note: permission requested and explicitly given via direct correspondence.

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