Difference between revisions of "PDP-11/23-PLUS"

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The PDP-11/23 PLUS, introduced in November 1981, introduced an integrated CPU solution on a single quad-width QBUS board, which included F-11 CPU, MMU, a socket for connecting an [[DEC-PN-M8188|FPF-11]] floating point unit, and two serial line units, which had a maximum speed of 19,200 baud.
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The PDP-11/23 PLUS, introduced in November 1981, introduced an integrated solution on a single [[DEC card form factor |quad]]-width [[QBUS]] board, which included [[F-11 chip set|F-11]] [[Central Processing Unit|CPU]], [[memory management]] unit, a socket for inserting an [[KEF11-A floating point chip|KEF11-A]] [[floating point unit]], and two [[asynchronous serial line]]s, which had a maximum speed of 19,200 baud.
  
==== Essential parts that make up a PDP 11/23 PLUS ====
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=== Essential parts that make up a PDP 11/23 PLUS ===
  
*[[DEC-PN-M8189|M8189]] KDF11-BA CPU Board
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* M8189 [[KDF11-B CPU]] board
*22-bit [[QBUS]] backplane
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* 22-bit [[QBUS]] [[backplane]]
  
 
{{PDP-11s}}
 
{{PDP-11s}}
  
[[Category:DEC processors]][[Category:QBUS processors]]
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[[Category:QBUS PDP-11s]]

Revision as of 16:04, 17 February 2018


PDP-11/23 PLUS
PDP1123PLUS-01.jpeg
PDP-11/23 PLUS with two RL02s, TK50, and third party SCSI.
Manufacturer: Digital Equipment Corporation
Year Introduced: November 1981
Word Size: 16 bit
Physical Address Size: 22 bit
Virtual Address Size: 16 bit
Bus Architecture: QBUS


The PDP-11/23 PLUS, introduced in November 1981, introduced an integrated solution on a single quad-width QBUS board, which included F-11 CPU, memory management unit, a socket for inserting an KEF11-A floating point unit, and two asynchronous serial lines, which had a maximum speed of 19,200 baud.

Essential parts that make up a PDP 11/23 PLUS