User:ThisIsNotABetter/IBM minicomputers

IBM early systems

IBM 1620 (1959)
- IBM 1710, IBM 1720
IBM 7700 (1963)
IBM 1130 (1965)
- IBM 1800, IBM 1500
IBM System/7 (1971)
IBM Series/1 (1976)
IBM RS/6000 (1990) - was a more "servers" systems, instead of "minicomputers"; was replaced by the IBM Power Systems in April 2008.

Was suceed by microcomputer-based IBM Displaywriter System.

Successors of IBM tabulating machines and early small mainframes.

IBM 1400 (1959)
System/3 was the first of the IBM midrange systems (1969)^[1]
System/32 (introduced in 1975) ^[2] was a 16-bit single-user system also known as the IBM 5320.
System/34 (1977) was intended as successor to both the 3 and the 32.
System/38 (1979) was the first Midrange system to have an integrated relational database management system (DBMS). The S/38 had 48-bit addressing, and ran the CPF operating system.
System/36 (1983) had two 16-bit processors with an operating system that supported multiprogramming.
AS/400 was introduced under that name in 1988, renamed eServer iSeries in 2000, and subsequently became IBM System i in 2006. It ran the OS/400 operating system.
IBM System i was subsequently replaced by the IBM Power Systems in April 2008.