Difference between revisions of "PDP-11/20"
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| + | The PDP11/20 was the first PDP-11 to run Unix. Another thing that is interesting is that a coprocessor was required for the multiply/divide instructions, making this model incompatible from the rest of the PDP-11's. | ||
More information is available on the [[PDP-11]] page... | More information is available on the [[PDP-11]] page... | ||
Revision as of 05:36, 7 May 2009
| PDP-11/20 | |
| Manufacturer: | Digital Equipment Corporation |
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| Bus Architecture: | Unibus |
The PDP11/20 was the first PDP-11 to run Unix. Another thing that is interesting is that a coprocessor was required for the multiply/divide instructions, making this model incompatible from the rest of the PDP-11's.
More information is available on the PDP-11 page...
| v • d • e PDP-11 Computers and Peripherals |
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| 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 |
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