Seymour Cray would sacrifice maintainability for performance every time. Example: The Pogo Pins used on the Cray 2: https://en.wikipedia.org/wiki/Cray-2#/medi

Seymour Cray would sacrifice maintainability for performance every time. Example: The Pogo Pins used on the Cray 2: https://en.wikipedia.org/wiki/Cray-2#/media/File:Cray-2_module_side_view.jpg https://en.wikipedia.org/wiki/Cray-2#/media/File:Cray-2_modu... The Cray 2 also had to have the Flourinert drained before repairs could be made.