Difference between revisions of "PDP-11/15"
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| − | [[ | + | [[Image:pdp1115.jpg|250px|right|thumb|A PDP-11/15]] |
| − | + | The '''PDP-11/15''' is the [[Original Equipment Manufacturer|OEM]] version of the [[PDP-11/20]]. Its [[hardware]] is not completely identical to the -11/20, though; its [[KC11 CPU]] is slightly different from the [[KA11 CPU]] of the -11/20 (although the KC11 contains mostly the same boards as the KA11). | |
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| + | The KC11 only supports a single [[interrupt]] priority level (and thus has only a single interrupt [[bus grant line]] on its [[UNIBUS]]). It could be upgraded to the 4-level of the KA11 by the optional [[KF11-A]]. The KC11 also does not have [[power fail/restart]]; this could be added with the [[KP11-A]]. | ||
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| + | The [[Central Processing Unit|CPU]] manual ("pdp11/20-15-r20 processor handbook") claims (pg. 137) that the KC11's [[KY11-A Programmer's Console]] [[front panel]] has only 16 address lights and switches, unlike the 18 of the KA11, but images of PDP-11/15 (above) show 18 locations for address lights (although it is possible that there are no actual lights behind the two left-most locations). | ||
{{PDP-11}} | {{PDP-11}} | ||
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| + | [[Category: UNIBUS PDP-11s]] | ||
Latest revision as of 14:17, 13 January 2020
The PDP-11/15 is the OEM version of the PDP-11/20. Its hardware is not completely identical to the -11/20, though; its KC11 CPU is slightly different from the KA11 CPU of the -11/20 (although the KC11 contains mostly the same boards as the KA11).
The KC11 only supports a single interrupt priority level (and thus has only a single interrupt bus grant line on its UNIBUS). It could be upgraded to the 4-level of the KA11 by the optional KF11-A. The KC11 also does not have power fail/restart; this could be added with the KP11-A.
The CPU manual ("pdp11/20-15-r20 processor handbook") claims (pg. 137) that the KC11's KY11-A Programmer's Console front panel has only 16 address lights and switches, unlike the 18 of the KA11, but images of PDP-11/15 (above) show 18 locations for address lights (although it is possible that there are no actual lights behind the two left-most locations).
| 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 |
