IMP interface

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An IMP interface is a device attached to an ARPANET host to communicate with an IMP, using the special 1822 communication interface, defined in BBN Report No. 1822.

List of some of the most popular interfaces:

BBN IMP-10, used by TENEX
MIT DM IMP, used by MIT-DM. Made by Bob Metcalfe
MIT KA IMP, used by MIT-AI, -ML, and -MC
DEC AN-10
DEC CSS IMP11-A, UNIBUS
Stanford 1822 Interface, UNIBUS (via a DR11-C) and QBUS (via a DRV11)
ACC LH-DH/11, UNIBUS
ACC MLH-DH/LSI11, QBUS
GIMPSPIF, used by 645 Multics
ABSI, used by 6180 Multics

but there were many others (many being 'one-off' local creations).

This article is not as complete coverage of the topic as it could be. You can help by expanding it.

External links

Specification for the Interconnection of a Host and an IMP - BBN Report #1822

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