XT
Provided by the ASK Keyboard Dictionary
"XT" can refer to multiple things associated with the IBM 5150 Personal Computer, the namesake 5160 Personal Computer XT, their derivatives and third-party clones.
- "Model F/XT": the modern nickname for the IBM Personal Computer Keyboard.
- XT connectivity/protocol: the combination of a 5-pin DIN plug, 9-bit "Mode 1" serial data packet, and IBM scancode set 1.
- XT layout: the IBM Personal Computer Keyboard's layout.