Link Model Description
1401 The first relatively affordable and widely popular mainframe, the IBM 1401 Data Processing System has been called “the Model T of the computer industry.
1403 The IBM 1403 line printer was introduced as part of the IBM 1401 computer in 1959 and had an especially long life in the IBM product line.
1402 The IBM 1402 was a high-speed card reader/punch introduced on October 5, 1959 as a peripheral input/output device for the IBM 1401 computer.
5150 The IBM Personal Computer is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard.