IBM 9020

This page is under construction.

The 9020 was a conglomeration of IBM System 360 computers. Early models were made up of IBM System 360 Model 50s hooked together into a highly redundant and reliable single system image. Later models used System 360 Model 65s as the main "Compute Elements" and used Model 50's as IO Control Elements.

Here is a picture of the operator control panel for one computing element of a 9020E (the last model) system. This panel looks a great deal like a System 360 Model 65 panel, but with additions specific to the air traffic control configuration. A complete 9020E was made up of three Model 65's, three Model 50's, storage units, and peripheral adapters for things like displays and incoming radar data. Date of manufacture, according to tags inside: March, 1970 (the E was the last of the 9020 line).

Here is a somewhat low-fidelity version of a 9020 complex diagram from IBM System Journal, Vol.6, No.2, 1967.