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

From Computer History Wiki
Jump to: navigation, search
m (Avoid redir)
m (+manual)
Line 1: Line 1:
 
{{Infobox Machine|
 
{{Infobox Machine|
  name=PDP-11/23 PLUS|  
+
  name=PDP-11/23 PLUS |  
 
  image=PDP1123PLUS-01.jpeg |
 
  image=PDP1123PLUS-01.jpeg |
  caption=PDP-11/23 PLUS with two RL02s, TK50, and third party SCSI.|
+
  caption=PDP-11/23 PLUS with two RL02s, TK50, and third party SCSI |
 
  manufacturer=[[Digital Equipment Corporation]] |
 
  manufacturer=[[Digital Equipment Corporation]] |
  word size= 16 bit|
+
  word size= 16 bit |
  virtual address= 16 bit|
+
  virtual address= 16 bit |
  physical address= 22 bit|
+
  physical address= 22 bit |
 
  bus arch= [[QBUS]] |
 
  bus arch= [[QBUS]] |
 
  year introduced = November 1981
 
  year introduced = November 1981
 
|}}
 
|}}
  
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.
+
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 ===
Line 17: Line 17:
 
* M8189 [[KDF11-B CPU]] board
 
* M8189 [[KDF11-B CPU]] board
 
* 22-bit [[QBUS]] [[backplane]]
 
* 22-bit [[QBUS]] [[backplane]]
 +
 +
==External links==
 +
 +
* [http://www.bitsavers.org/pdf/dec/pdp11/1123/EK-23BMB-UG_001_1123B_MountingBox_Jan82.pdf PDP-11/23B Mounting Box User's Guide]
  
 
{{PDP-11s}}
 
{{PDP-11s}}
  
[[Category:QBUS PDP-11s]]
+
[[Category: QBUS PDP-11s]]

Revision as of 04:24, 19 November 2021


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