Model F keyboard similar to the later Model M keyboard that used a membrane in place of the PCB. The Model F first appeared with the IBM System /23 Datamaster all-in-one
Model M keyboardIBM Model M13 (1999) The sound of an IBM Model M13 from 1999—quieter, with less spring noise. Problems playing this file? See media help. IBM Model F
IBM PC keyboard many keyboard layout variations have been developed. A well-known class of IBM PC keyboards is the Model M. Introduced in 1984 and manufactured by IBM , Lexmark
IBM System/23 DatamasterThe System /23 Datamaster (Model 5322 desktop model and Model 5324 floor model ) is an 8-bit microcomputer developed by IBM . Released in July 1981, the
IBM 3101stored in the keyboard Could be purchased (with volume discounts) but not leased The IBM 3101 was used with a variety of IBM and non-IBM computers. As