IBM Personal System/2 Enhanced Keyboard

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Provided by the ASK Keyboard Directory

1992 Model M Enhanced PC Keyboard (third generation)IBM membrane buckling springs More info on this keyboard

w/ IBM blue oval badge

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

IBM-made or Lexmark-made 101-key (ANSI), 102-key (ISO) or 104-key (ABNT) Enhanced Keyboard intended for IBM Personal System/2s and compatibles. Along with its grey-oval predecessor, they are considered to be the most common type of Model M keyboard.