PDP-11/23-PLUS: Difference between revisions
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{{Infobox Machine | | |||
name = PDP-11/23-PLUS | | |||
image = PDP1123PLUS-01.jpeg | | |||
imgwidth = 150px | | |||
caption = PDP-11/23-PLUS housed in a BA11-M with two [[RL02]]s, [[TK50]], and third party [[SCSI]] drive | | |||
manufacturer = [[Digital Equipment Corporation]] | | |||
word size = 16 bit | | |||
virtual address = 16 bit | | |||
physical address = 22 bit | | |||
bus arch = [[QBUS]] | | |||
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 was initially available in a [[BA11-M mounting box]], later on it was sold as the '''MicroPDP-11''' in a [[BA23 Enclosure]]. | |||
=== Essential parts that make up a PDP 11/23-PLUS === | |||
* M8189 [[KDF11-B CPU]] board | |||
* 22-bit QBUS [[backplane]] | |||
{{semi-stub}} | |||
==External links== | |||
* [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/handbooks/EB-24944-18_Micro_PDP-11_Handbook_1983-84.pdf MicroPDP-11 Handbook] | |||
{{Nav PDP-11}} | |||
[[Category: QBUS PDP-11s]] | |||
Latest revision as of 14:36, 6 April 2024
| PDP-11/23-PLUS | |
 PDP-11/23-PLUS housed in a BA11-M with two RL02s, TK50, and third party SCSI drive | |
| 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.
The PDP-11/23-PLUS was initially available in a BA11-M mounting box, later on it was sold as the MicroPDP-11 in a BA23 Enclosure.
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-11/04 • PDP-11/34 • PDP-11/60 • PDP-11/44 • 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 QBUS CPUs: LSI-11 • LSI-11/2 • KDF11-A • KDF11-B • KDJ11-A • KDJ11-B • KDJ11-D • KDJ11-E Buses: UNIBUS • UNIBUS map • SPC • MUD • EUB • QBUS • CD interconnect • PMI Also: PDP-11 architecture • PDP-11 Extended Instruction Set • FP11 floating point • PDP-11 Memory Management |
| UNIBUS CPUs: KA11 • KC11 • KB11-A • KB11-B • KB11-C • KB11-D • KD11-A • KD11-B • KD11-D • KD11-E • KD11-EA • KD11-K • KD11-Z • KDF11-U
Co-processors: FP11-A • FP11-B • FP11-C • FP11-E • FP11-F • KE44-A • FPF11 Chips: LSI-11 • KEV11-A • KEV11-B • KEV11-C • F-11 • KEF11-A • KTF11-A • T-11 • J-11 • FPJ11 CPU options: KE11-E • KE11-F • KJ11-A • KT11-C • KT11-D • KK11-A • KK11-B • KT24 • KTJ11-B Rare CPU options: KS11 Memory Protection and Relocation option • KT11-B Paging Option • KUV11 Writeable Control Store Front panels: KY11-A • KY11-D • KY11-J • KY11-LA • KY11-LB • KY11-P More on buses: UNIBUS and QBUS termination • Bus Arbitration on the Unibus and QBUS • CTI BUS PDT-11s - PDT-11/110 • PDT-11/130 • PDT-11/150 CTI PDP-11s - PRO-325 • PRO-350 • PRO-380 Other: FIS floating point • PDP-11 Commercial Instruction Set • PDP-11 stacks • PDP-11 family differences |
