A minicomputer from IBM. Introduced in 1983, earlier System/34 applications had to be recompiled to run in the System/36. The typical system supported from a handful to a couple dozen terminals. System/36 applications had to be recompiled to run on the AS/400. See
System/38.
System/36
This is a small model of the System/36 family. Most System/36 applications were ported to the AS/400. (Image courtesy of IBM.)