Difference between revisions of "PDP-11/40E"
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| − | The '''PDP-11/40E''' was a modified version of the basic [[PDP-11/40]], produced in small numbers at [[CMU] for use in the [[C.mmp]] [[multi-processor]] system, which ran the [[HYDRA]] [[operating system]]. It added a writeable [[microcode]] extension (adding 1K micro-words to the original 256), [[hardware]] for general field shift and extraction, and extension of the microcode width from 56 bits to 80. The extra hardware uses the [[Central Processing Unit|CPU]] [[backplane]] slots normally used for the [[KE11-E Extended Instruction Set|KE11-E]] and [[KE11-F Floating Instruction Set|KE11-F]] options. | + | The '''PDP-11/40E''' was a modified version of the basic [[PDP-11/40]], produced in small numbers at [[CMU]] for use in the [[C.mmp]] [[multi-processor]] system, which ran the [[HYDRA]] [[operating system]]. It added a writeable [[microcode]] extension (adding 1K micro-words to the original 256), [[hardware]] for general field shift and extraction, and extension of the microcode width from 56 bits to 80. The extra hardware uses the [[Central Processing Unit|CPU]] [[backplane]] slots normally used for the [[KE11-E Extended Instruction Set|KE11-E]] and [[KE11-F Floating Instruction Set|KE11-F]] options. |
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| + | The PDP-11/40E was also used at [[BBN]] for [[INTERLISP|Interlisp-11]]. | ||
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Latest revision as of 16:20, 11 January 2024
The PDP-11/40E was a modified version of the basic PDP-11/40, produced in small numbers at CMU for use in the C.mmp multi-processor system, which ran the HYDRA operating system. It added a writeable microcode extension (adding 1K micro-words to the original 256), hardware for general field shift and extraction, and extension of the microcode width from 56 bits to 80. The extra hardware uses the CPU backplane slots normally used for the KE11-E and KE11-F options.
The PDP-11/40E was also used at BBN for Interlisp-11.
External links
- 1140E - BitSavers -11/40E collection
- PDP-11/40E Microprogramming Reference Manual
| 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 |
