PDP-11/73: Difference between revisions
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[[Image:mpdp73.jpg|left|thumb|200px|PDP-11/73]] | [[Image:mpdp73.jpg|left|thumb|200px|PDP-11/73]] | ||
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Introduced in 1984. Successor of the [[PDP-11/23]]. At that time the components were VLSI, and these PDP-11's were marketed as MicroPDP's (this has in fact begun with the [[PDP-11/23]]). The PDP-11/73 had a 15MHz [[J-11]]-based CPU with 22-bit memory management for the 4MB RAM max. Just to make life more complicated, 18 MHz [[PDP-11/83]] CPU boards can also be found in PDP-11/73 systems, as a PDP-11/83 CPU ([[M8190]]-A[DE]) with QBUS memory (instead of the[[Private Memory Interconnect|PMI]] memory used in those systems) is called a PDP-/73... | Introduced in 1984. Successor of the [[PDP-11/23]]. At that time the components were VLSI, and these PDP-11's were marketed as MicroPDP's (this has in fact begun with the [[PDP-11/23]]). The PDP-11/73 had a 15MHz [[J-11]]-based CPU with 22-bit memory management for the 4MB RAM max. Just to make life more complicated, 18 MHz [[PDP-11/83]] CPU boards can also be found in PDP-11/73 systems, as a PDP-11/83 CPU ([[M8190]]-A[DE]) with QBUS memory (instead of the [[Private Memory Interconnect|PMI]] memory used in those systems) is called a PDP-/73... | ||
There was no UNIBUS equivalent. | There was no UNIBUS equivalent. | ||
Revision as of 11:26, 7 September 2016
Confusingly, the CPU board is the KDJ11-B (M8190), the same as the PDP-11/83 - no DEC '11/xx' system seems to use the earlier KDJ11-A (M8192).
hampage.hu
Quoting:
Introduced in 1984. Successor of the PDP-11/23. At that time the components were VLSI, and these PDP-11's were marketed as MicroPDP's (this has in fact begun with the PDP-11/23). The PDP-11/73 had a 15MHz J-11-based CPU with 22-bit memory management for the 4MB RAM max. Just to make life more complicated, 18 MHz PDP-11/83 CPU boards can also be found in PDP-11/73 systems, as a PDP-11/83 CPU (M8190-A[DE]) with QBUS memory (instead of the PMI memory used in those systems) is called a PDP-/73...
There was no UNIBUS equivalent.
The J-11 was manufactured by Harris Semiconductors, and it hasn't been fully completed, it lacked the WCS and CIS options.
A very popular enclosure is displayed to the left: this was the BA23 standing tower configuration, that had place for a 8x4 backplane, an RX50 floppy or TK50 streaming tape drive and an RDxx harddisk. The BA23 could also be rack-mounted.
| 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 |
