Plug compatible: Difference between revisions

No change in size ,  4 years ago
(→‎PCM and IBM: more detail on peripheral PCM)
The term PCM was originally applied to manufacturers who made replacements for [[IBM]] peripherals and later IBM mainframes.
The first example of a plug compatible IBM subsystems were tape drives and controls offered by Telex beginning 1965.<rer name=PUghPugh">{{cite book
|title=IBM's 360 and Early 370 Systems