Difference between revisions of "LSI-11/2"
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It is a [[DEC card form factor|dual]] board (M7270), using the [[LSI-11 chip set]], and supports all the same options as the LSI-11. | It is a [[DEC card form factor|dual]] board (M7270), using the [[LSI-11 chip set]], and supports all the same options as the LSI-11. | ||
| − | These include the [[KEV11-A floating point|KEV11-A]], for the [[PDP-11 Extended Instruction Set|EIS]]/[[FIS floating point|FIS]] instructions; the [[KEV11-B Extended Instruction Set|KEV11-B]], which provides EIS without FIS; and the [[KEV11-C Commercial Instruction Set|KEV11-C]] provides a subset of the PDP-11 [[PDP-11 Commercial Instruction Set|CIS]] (it also apparently includes the EIS, but not the FIS). | + | These include the [[KEV11-A floating point|KEV11-A]], for the [[PDP-11 Extended Instruction Set|EIS]]/[[FIS floating point|FIS]] instructions; the [[KEV11-B Extended Instruction Set|KEV11-B]], which provides EIS without FIS; and the [[KEV11-C Commercial Instruction Set|KEV11-C]], which provides a subset of the PDP-11 [[PDP-11 Commercial Instruction Set|CIS]] (it also apparently includes the EIS, but not the FIS). |
It likely also supported the optional [[KUV11 Writeable Control Store]]. | It likely also supported the optional [[KUV11 Writeable Control Store]]. | ||
Revision as of 18:44, 23 November 2018
The LSI-11/2 (also known as the KD11-HA) is the later version of the LSI-11. It contains only the CPU, and nothing else; it is otherwise identical in functionality to the LSI-11, including the use of ODT, rather than the up-to-then conventional front panel
It is a dual board (M7270), using the LSI-11 chip set, and supports all the same options as the LSI-11.
These include the KEV11-A, for the EIS/FIS instructions; the KEV11-B, which provides EIS without FIS; and the KEV11-C, which provides a subset of the PDP-11 CIS (it also apparently includes the EIS, but not the FIS).
It likely also supported the optional KUV11 Writeable Control Store.
Note: The image in the "Microcomputer Products Handbook" (pg. C-18) is erroneous; the order of the chips (from the handle end) is, in fact, KEV11, Control, uROM 1, uROM 0, Data Path (per the KD11-HA print set); the order given in the Handbook is that for the LSI-11 (no doubt an image was re-used without checking).
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 |
