IBM Personal Computer ATThe IBM Personal Computer AT (model 5170, abbreviated as IBM AT or PC /AT) was released in 1984 as the fourth model in the IBM Personal Computer line,
IBM Personal Computer XTThe IBM Personal Computer XT (model 5160, often shortened to PC /XT) is the second computer in the IBM Personal Computer line, released on March 8, 1983
IBM Personal ComputerThe IBM Personal Computer (model 5150, commonly known as the IBM PC ) is the first microcomputer released in the IBM PC model line and the basis for the
List of IBM Personal Computer modelsThe IBM Personal Computer , commonly known as the IBM PC , spanned multiple models in its first generation (including the PCjr, the Portable PC , the XT