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

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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 processor|floating point unit]], and two [[asynchronous serial line]]s, 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 processor|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 ===
 
=== Essential parts that make up a PDP 11/23 PLUS ===
  
 
* M8189 [[KDF11-B CPU]] board
 
* M8189 [[KDF11-B CPU]] board
* 22-bit [[QBUS]] [[backplane]]
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* 22-bit QBUS [[backplane]]
  
 
==External links==
 
==External links==
  
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* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/EK-1T23B-OP-001%20PDP11-23-PLUS%20System%20Manual.pdf PDP-11/23-PLUS System Manual]
 
* [http://www.bitsavers.org/pdf/dec/pdp11/1123/EK-23BMB-UG_001_1123B_MountingBox_Jan82.pdf PDP-11/23B Mounting Box User's Guide]
 
* [http://www.bitsavers.org/pdf/dec/pdp11/1123/EK-23BMB-UG_001_1123B_MountingBox_Jan82.pdf PDP-11/23B Mounting Box User's Guide]
  

Revision as of 12:21, 15 May 2022


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

External links