IBM Personal System/2 Enhanced Keyboard

Provided by the ASK Keyboard Directory

Admiral Shark's Keyboards (CC BY-NC-SA 4.0)
Admiral Shark's Keyboards (CC BY-NC-SA 4.0)
1987 Q2Model M Enhanced PC Keyboard (second generation)IBM membrane buckling springsMore 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.

Sources

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