An 83-key keyboard introduced with the IBM PC in 1981 and the PC XT in 1983. The keyboard introduced the dual-function keypad that switches between numeric entry and cursor movement, which became ...

But there’s one thing we’re sure of: if you find yourself reading the original POST code for the PC-XT motherboard just to get a keyboard working ... mid-80s vintage IBM Model 5160 using ...

A 101-key keyboard (U.S. layout) from IBM that superseded the PC/XT and AT keyboards. Introduced in 1985 as the Model M and standard on IBM's PS/2 computer, the Enhanced keyboard was used for more ...

IBM PC XT was an iterative improvement over its predecessor, with enhancements like built-in HDD and extra expansion slots. PC DOS 2.0 was the standout improvement of the IBM PC XT, offering ...