IMP interface - Revision history

Jnc: Link System/360

2025-01-15T12:44:47Z

Link System/360

2025-01-15T12:16:48Z

Portola. UCSB.

2025-01-15T12:14:15Z

List of IMP interfaces for IBM S/360, per December 1974 or January 1975?

2025-01-06T19:59:30Z

Add Nova interface

2023-12-17T18:39:18Z

‎External links: +Manual for the IMP-10 Special Interface

2022-10-25T13:05:17Z

Avoid use of internal page tag

2022-10-25T13:03:35Z

+IMP11-B

2022-06-04T21:35:26Z

rm pointless link

2021-11-13T14:46:12Z

Move Alto-1822 interface stuff to separae page

2021-11-12T15:14:58Z

Add ANTS/ISI IMP Interface

@@ Line 19: / Line 19: @@
 * [[Alto-1822 Interface]] for the [[Xerox Alto|Alto]], used in a variety of ways
 * [[Data General Nova]] interface: done at [[Xerox PARC]], apparently at least two, almost certainly two: one for [[Maxc]]1's [[front end]] and another for the Portola PUP gateway
-* The USCB IMP interface, first for their 360/75, later told to other institutions.
+* The USCB IMP interface, first for their [[IBM System/360|360/75]], later sold to other institutions.
 but there were many others (many being 'one-off' local creations).

@@ Line 18: / Line 18: @@
 * ABSI, used by [[Honeywell 6000 series|6180]] Multics, for NCP and [[Internet Protocol|IP]]
 * [[Alto-1822 Interface]] for the [[Xerox Alto|Alto]], used in a variety of ways
-* [[Data General Nova]] interface: done at [[Xerox PARC]], apparently at least two, almost certainly one for [[Maxc]]1's [[front end]]
+* [[Data General Nova]] interface: done at [[Xerox PARC]], apparently at least two, almost certainly two: one for [[Maxc]]1's [[front end]] and another for the Portola PUP gateway
 but there were many others (many being 'one-off' local creations).

← Older revision		Revision as of 12:14, 15 January 2025
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		+	[[Image:IMP-interface-roster.jpg\|thumb\|right\|400px\|IMP interfaces for IBM S/360]]
		+
	An '''IMP interface''' is a [[device controller]] used on a [[host]] (i.e. on its [[bus]]) to attach them to systems which used the special [[1822 interface\|1822 communication interface]] (defined in [[Bolt, Beranek, and Newman\|BBN]] Report No. 1822); these included initially the [[Interface Message Processor\|IMPs]] of the [[ARPANET]] (hence the name), and later the PRUs of the [[Packet Radio Network‎]].		An '''IMP interface''' is a [[device controller]] used on a [[host]] (i.e. on its [[bus]]) to attach them to systems which used the special [[1822 interface\|1822 communication interface]] (defined in [[Bolt, Beranek, and Newman\|BBN]] Report No. 1822); these included initially the [[Interface Message Processor\|IMPs]] of the [[ARPANET]] (hence the name), and later the PRUs of the [[Packet Radio Network‎]].

@@ Line 16: / Line 16: @@
 * ABSI, used by [[Honeywell 6000 series|6180]] Multics, for NCP and [[Internet Protocol|IP]]
 * [[Alto-1822 Interface]] for the [[Xerox Alto|Alto]], used in a variety of ways
 but there were many others (many being 'one-off' local creations).

← Older revision		Revision as of 18:39, 17 December 2023
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	* [http://www.bitsavers.org/pdf/bbn/imp/BBN1822_Jan1976.pdf Specification for the Interconnection of a Host and an IMP] - BBN Report #1822		* [http://www.bitsavers.org/pdf/bbn/imp/BBN1822_Jan1976.pdf Specification for the Interconnection of a Host and an IMP] - BBN Report #1822
		+	* [http://www.bitsavers.org/pdf/bbn/imp/IMP-10_Special_Interface_Manual_Oct73.pdf Manual for the IMP-10 Special Interface]

	[[Category: 1822 Interfaces‎]]		[[Category: 1822 Interfaces‎]]

@@ Line 6: / Line 6: @@
 * MIT DM IMP, used by [[Incompatible Timesharing System|MIT-DM]]. Made by Bob Metcalfe
 * MIT KA IMP, used by [[Incompatible Timesharing System|MIT-AI, -ML, and -MC]]
-* [[Digital Equipment Corporation|DEC]] AN-10, for the [[PDP-10#Busses|PDP-10 I/O bus]]
+* [[Digital Equipment Corporation|DEC]] AN-10, for the [[PDP-10 I/O Bus]]
 * DEC CSS [[IMP11-A ARPANET interface|IMP11-A]], [[UNIBUS]]
 * DEC CSS [[IMP11-B ARPANET Interface|IMP11-B]], UNIBUS

@@ Line 8: / Line 8: @@
 * [[Digital Equipment Corporation|DEC]] AN-10, for the [[PDP-10#Busses|PDP-10 I/O bus]]
 * DEC CSS [[IMP11-A ARPANET interface|IMP11-A]], [[UNIBUS]]
 * [[ANTS/ISI IMP Interface]], UNIBUS
 * [[Stanford 1822 Interface]], UNIBUS (via a [[DR11-C parallel interface|DR11-C]]) and [[QBUS]] (via a [[DRV11 Parallel Line Unit|DRV11]])

@@ Line 12: / Line 12: @@
 * [[Advanced Computer Communications|ACC]] [[LH-DH/11 Local/Distant Host Controller|LH-DH/11]], UNIBUS
 * ACC [[MLH-DH/LSI11 Multiple Channel Controller|MLH-DH/LSI11]], QBUS
-* GIMPSPIF, used by 645 [[Multics]], for [[Network Control Program|NCP]]
+* GIMPSPIF, used by 645 [[Multics]]
 * ABSI, used by [[Honeywell 6000 series|6180]] Multics, for NCP and [[Internet Protocol|IP]]
 * [[Alto-1822 Interface]] for the [[Xerox Alto|Alto]], used in a variety of ways

@@ Line 14: / Line 14: @@
 * GIMPSPIF, used by 645 [[Multics]], for [[Network Control Program|NCP]]
 * ABSI, used by [[Honeywell 6000 series|6180]] Multics, for NCP and [[Internet Protocol|IP]]
-* [[Xerox Alto|Alto]] interface, used on the [[Maxc|Maxc2]] [[front end]] to connect to the [[ARPANET]] for NCP, on [[PARC Universal Packet|PUP]] [[router|gateways]] to talk to [[Packet Radio Network‎|PRUs]], and apparently eventually on the Alto ARPANET IP gateway
+* [[Alto-1822 Interface]] for the [[Xerox Alto|Alto]], used in a variety of ways
 but there were many others (many being 'one-off' local creations).
@@ Line 23: / Line 23: @@
 * [http://www.bitsavers.org/pdf/bbn/imp/BBN1822_Jan1976.pdf Specification for the Interconnection of a Host and an IMP] - BBN Report #1822
 [[Category: 1822 Interfaces‎]]