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 ...

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 ...

That was the position [Anders Nielsen] found himself in as work progresses on his “PC-XT from Scratch” project, which seeks to build a working mid-80s vintage IBM Model 5160 using as many ...

A 101-key keyboard (U.S. layout) from IBM that superseded the PC/XT and AT keyboards.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 ...