Difference between revisions of "PDP-11/23-PLUS"
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{{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 | | ||
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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. | 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 | ||
Revision as of 13:23, 15 May 2022
| PDP-11/23-PLUS | |
 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
- M8189 KDF11-B CPU board
- 22-bit QBUS backplane
External links
| v • d • e PDP-11 Computers and Peripherals |
|---|
| UNIBUS PDP-11s - PDP-11/20 • PDP-11/15 • PDP-11/35 • PDP-11/40 • PDP-11/45 • PDP-11/50 • PDP-11/55 • PDP-11/70 • PDP-11/05 • PDP-11/10 • PDP-11/34 • PDP-11/04 • PDP-11/44 • PDP-11/60 • PDP-11/24 • PDP-11/84 • PDP-11/94
QBUS PDP-11s - PDP-11/03 • PDP-11/23 • PDP-11/23+ • MicroPDP-11/73 • MicroPDP-11/53 • MicroPDP-11/83 • MicroPDP-11/93 Chips: LSI-11 • F-11 • T-11 • J-11 Clones: CM 1420 Also: PDP-11 architecture • PDP-11 Memory Management • PDP-11 stacks • FP11 floating point • UNIBUS • QBUS |
