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Elliott 920M Computer

 width=Elliott 920M Computer

Technical Information

Catalogue Number : ODGC0137
Title: Elliott 920M Computer
Category: General Purpose Computer
Name Plate: 920M Digital Computer
Part Number: MCS920M/IL322A11787
Serial Number: 216
Year of Manufacture: 1982?
Manufacturer: GEC Computers Ltd
Platform: Jaguar
The 920 series of computers was developed at Elliotts Borehamwood Computing Division in the 1960’s and was derived from the successful 901 commercial computer which was miniaturised for airborne use. One of the primary production derivatives was the MCS 920M which was used in the
Jaguar Navigation and Weapon Aiming Sub-System NAVWASS This system comprised the MCS920M central digital computer, E3R inertial platform, projected map display and horizontal situation indicator together with the necessary power supply, electronic, interface and control units.
The MCS 920M is a microminiature general purpose digital computer operating in the parallel mode. It has a random access, 8192 word, 18 bit store with a 2microsecond cycle time. In addition to performing navigation and weapon aiming calculators, the computer caters for in-flight monitoring, initial alignment and in situ first line system testing. The Computer also had an Interface Unit which enables the digital computer to receive and transmit information from and to other units in the aircraft in compatible signal form. The Interface Unit also supplied the power for the computer and Navigation Control Unit.
In its production form the MCS920M was widely used in its intended role in the Jaguar navigation attack system and eventually grew to a 64 K machine.
The MCS920M was also adopted for a number of naval inertial navigation applications.
This Unit is an MCS920M, Serial No. 216 and was made at Borehamwood in 1982
Overall Dimensions: H19cms D36cms W19cms

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