IMP interface

An IMP interface is a device attached to an ARPANET host to communicate with an IMP. The communication interface, the Host-to-IMP Protocol, is specified in BBN Report No. 1822.

List of 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.
• ACC LH-DH/11, UNIBUS.
• DEC CSS IMP11-A, UNIBUS.
• Stanford 1822 Interface, UNIBUS (via a DR11-C) and QBUS (via a DRV11)
• GIMPSPIF, used by 645 Multics.
• ABSI, used by 6180 Multics.

External links

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