Editing Burroughs Large Systems (section)

==B8500==
The B8500<ref name=Da8500/><ref name=burroughs3g/> line derives from the D825,<ref>{{cite book
 | title=Proceedings of the December 4–6, 1962, Fall Joint Computer Conference
 | chapter=D825 - a multiple-computer system for command & control
 | first1 = James P.
 | last1  = Anderson
 | first2 = Samuel A.
 | last2  = Hoffman
 | first3 = Joseph
 | last3  = Shifman
 | first4 = Robert J.
 | last4  = Williams
 | series=AFIPS Conference Proceedings
 | volume = 24
 | year=1962
 | pages=86–96
 | doi=10.1145/1461518.1461527
 | isbn=9781450378796
 | s2cid=1186864
 |mode=cs2}}</ref> a military computer that was inspired by the B5000.

The B8500 was designed in the 1960s as an attempt to merge the B5500 and the D825 designs.  The system used monolithic [[integrated circuit]]s with magnetic [[thin-film memory]].  The architecture employed a 48-bit word, stack, and descriptors like the B5500, but was not advertised as being upward-compatible.<ref name=Da8500/>  The B8500 could never be gotten to work reliably, and the project was canceled after 1970, never having delivered a completed system.<ref name=burroughs3g/>