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Honeywell 6000

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'''[[Main Page|Home]] * [[Hardware]] * Honeywell 6000'''

[[FILE:GE-635.jpg|border|right|thumb|link=http://www.dartmouth.edu/its-tools/archive/history/timeline/1960s.html|GE-635 at [[Dartmouth College]] <ref>[http://www.dartmouth.edu/its-tools/archive/history/timeline/1960s.html The Dartmouth Computing Timeline - The 1960s]</ref> ]]

'''Honeywell 6000''', (GE-600)<br/>
a family of [https://en.wikipedia.org/wiki/36-bit 36-bit] [https://en.wikipedia.org/wiki/Mainframe_computer mainframe computers] manufactured by [https://en.wikipedia.org/wiki/Honeywell Honeywell International, Inc.] from 1970 to 1989 build from [https://en.wikipedia.org/wiki/Transistor%E2%80%93transistor_logic TTL] [https://en.wikipedia.org/wiki/Integrated_circuit#SSI SSI] [[Integrated Circuits|integrated circuits]] and [[Memory#Core|ferrite core memory]]. They were re-badged versions of [https://en.wikipedia.org/wiki/General_Electric General Electric's] [https://en.wikipedia.org/wiki/GE-600_series GE-600-series] originating in the 1960s as [https://en.wikipedia.org/wiki/Transistor_computer discrete transistor machines]. The architecture was similar to the [[IBM 7090]]. The GE-600 aka Honeywell 6000 used 36-bit words and 18-bit addresses and had two 36-bit [https://en.wikipedia.org/wiki/Accumulator_(computing) accumulators] A and Q, eight 18-bit [https://en.wikipedia.org/wiki/Index_register index registers] X0 - X7, and one 8-bit exponent register to support [[Float|floating point]] with the mantissa in both 36-bit single-precision and 2 x 36-bit double precision.

Systems were constructed of three main kinds of interconnected units, [https://en.wikipedia.org/wiki/Central_processing_unit CPUs], system control units including [[Memory|memory]], and [https://en.wikipedia.org/wiki/Input/output I/O] [https://en.wikipedia.org/wiki/Multiplexer multiplexer] (IOM) to connect [https://en.wikipedia.org/wiki/Peripheral peripherals], [https://en.wikipedia.org/wiki/Disk_storage disk storage] and [https://en.wikipedia.org/wiki/Tape_drive tape drives].

=Selected Systems=
==GE-635/645==
The '''GE-635''' as member of the GE-600 series was likely the first general purpose [[SMP]] system, though the [https://en.wikipedia.org/wiki/General_Comprehensive_Operating_System GCOS/GECOS] operating system treated the processors as a master and up to three slaves. At [[Dartmouth College]], the GE-635 was used to develop [https://en.wikipedia.org/wiki/Dartmouth_Time_Sharing_System Dartmouth Time Sharing System] starting in 1965, while [https://en.wikipedia.org/wiki/Multics Multics] was developed by [[Massachusetts Institute of Technology|MIT]] <ref>[http://multicians.org/index.html Multics - Multiplexed Information and Computing Service]</ref>, [https://en.wikipedia.org/wiki/General_Electric General Electric] and [[Bell Laboratories|Bell Labs]] requiring [[Memory#Virtual|virtual memory]] of the hardware advanced '''GE-645''' <ref>[http://web.mit.edu/Saltzer/www/multics.html Multics - photo and specifications]</ref> <ref>[https://www.nap.edu/read/4779/chapter/21#91 Edward L. Glaser], [https://www.google.com/patents/US3026035?dq=ininventor:%22Couleur+John+F%22&hl=en&sa=X&ved=0ahUKEwjLiIzx3-TYAhUH2aQKHRJlAMIQ6AEIVzAH John F. Couleur], G. A. Oliver]] ('''1965'''). ''[http://www.multicians.org/fjcc2.html System Design of a Computer for Time Sharing Applications]''. [https://en.wikipedia.org/wiki/Joint_Computer_Conference Fall Joint Computer Conference]</ref>. The [[Dartmouth College]] chess programs [[Dartmouth CP]] and [[Dart|Dart 4.1]] ran on the GE-635.

==Level 66/68==
Introduced in 1975, Level 66/68 were enhanced versions of the 6000 series, running GCOS/Multics. GCOS models included the 66/05, /10, /20, /40, /60 and /80, particular models with various memory sizes, etc.. Systems could have a maximum of seven CPUs and four IOMs, the total of the two restricted to eight <ref>[http://gunkies.org/wiki/Honeywell_6000_series Honeywell 6000 series - Computer History Wiki]</ref>.

==DPS 8==
The Honeywell '''DPS8''' was a descendant of the GE-645 released in 1983. The DPS8/70 is a particular model in the line <ref>[http://ed-thelen.org/comp-hist/honeywell-DPS8.html Honeywell DPS8] by [http://ed-thelen.org/ Ed Thelen]</ref>. [[Phoenix]] played the [[WCCC 1983]] on such a $10 million machine.

=Chess Programs=
* [[Dart]]
* [[Dartmouth CP]]
* [[Phoenix]]
* [[Prodigy]]
* [[Ribbit]]
* [[Treefrog]]

=See also=
* [[IBM 7090]]
* [[PDP-6]]
* [[PDP-10]]

=Publications=
* [https://www.nap.edu/read/4779/chapter/21#91 Edward L. Glaser], [https://www.google.com/patents/US3026035?dq=ininventor:%22Couleur+John+F%22&hl=en&sa=X&ved=0ahUKEwjLiIzx3-TYAhUH2aQKHRJlAMIQ6AEIVzAH John F. Couleur], G. A. Oliver ('''1965'''). ''[http://www.multicians.org/fjcc2.html System Design of a Computer for Time Sharing Applications]''. [https://en.wikipedia.org/wiki/Joint_Computer_Conference Fall Joint Computer Conference]

=Manuals=
* [https://en.wikipedia.org/wiki/General_Electric General Electric] ('''1964'''). ''[http://www.computinghistory.org.uk/det/15671/GE-635-System-Manual/ GE-635 System Manual]''. hosted by [http://www.computinghistory.org.uk/ Computing History - The UK Computer Museum - Cambridge]
* [https://en.wikipedia.org/wiki/General_Electric General Electric] ('''1964'''). ''[http://ed-thelen.org/comp-hist/GE-635.html GE-625 / 635 Programming Reference Manual]''. hosted by [http://ed-thelen.org/ Ed Thelen]
* [https://en.wikipedia.org/wiki/General_Electric General Electric] ('''1968'''). ''GE-645 System Manual''. [http://bitsavers.trailing-edge.com/pdf/ge/GE-645/GE-645_SystemMan_Jan68.pdf pdf]
* [https://en.wikipedia.org/wiki/Honeywell Honeywell] ('''1971'''). ''Series 6000 Summary Description''. [http://bitsavers.trailing-edge.com/pdf/honeywell/series6000/DA48_series6000_summary_1971.pdf pdf]
* [https://en.wikipedia.org/wiki/Honeywell Honeywell] ('''1985'''). ''AL39 - Multics Processor Manual''. [http://www.multicians.org/AL39.pdf pdf]

=Brochures=
* [http://www.computerhistory.org/brochures/doc-4372956d8d8f1/ Honeywell Level 68 Multics System: Focusing on Today's Interactive Processing Needs] (1973) hosted by [[The Computer History Museum]]
* [http://www.computerhistory.org/brochures/doc-4372956d92711/ Honeywell: The Multics System] (1975) hosted by [[The Computer History Museum]]

=Postings=
* [https://groups.google.com/d/msg/alt.folklore.computers/tKxW2BZ5qnE/9ATMB1yj-9EJ Info on GE-635] by Charles Richmond, [https://groups.google.com/forum/#!forum/alt.folklore.computers alt.folklore.computers], January 29, 1991
* [https://groups.google.com/d/msg/alt.folklore.computers/u0KA1xg2K9Y/CQk1uemmCAAJ Re: the legacy of Seymour Cray] by Alan Bowler, [https://groups.google.com/forum/#!forum/alt.folklore.computers alt.folklore.computers], January 08, 2016

=External Links=
* [https://en.wikipedia.org/wiki/GE-600_series GE-600 series from Wikipedia]
* [https://en.wikipedia.org/wiki/Honeywell_6000_series Honeywell 6000 series from Wikipedia]
* [http://gunkies.org/wiki/Honeywell_6000_series Honeywell 6000 series - Computer History Wiki]
* [http://test.doc-it-is.me/honeywell-l66-dps8-dps8000 Honeywell L66 DPS8 DPS8000 - Daniel T O'Callahan - IT Consulting]
* [http://ed-thelen.org/comp-hist/honeywell-DPS8.html Honeywell DPS8] by [http://ed-thelen.org/ Ed Thelen]

=References=
<references />

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