3 ms·
In an early minicomputer, the $500 power fail interrupt feature was field installed by clipping a jumper. There were mainframe line printers that implemented a
by Merrill 2y ago
In an early minicomputer, the $500 power fail interrupt feature was field installed by clipping a jumper.
There were mainframe line printers that implemented a different lines per minute feature depending on which gear set was installed.