After my previous article on the keyboard controller interface , there was a global public outcry (well, OK, there was Rothman ) absolutely ...
Grandpa, Tell Me The Story Again About The A20 Gate
The Keyboard Controller Interface, 0x60/0x64
The original IBM PC (1981), and its immediate successor, the IBM PC/XT (1983), had keyboards limited to unidirectional communication: data ...
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