Difference between revisions of "KDF11-A CPU"
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The '''KDF11-A CPU''' is [[DEC card form factor|dual]]-width [[PDP-11]] [[Central Processing Unit|CPU]] card for the [[QBUS]]; it uses the same 'Fonz' [[F-11 chip set]] as the other [[KDF11 CPUs]]. | The '''KDF11-A CPU''' is [[DEC card form factor|dual]]-width [[PDP-11]] [[Central Processing Unit|CPU]] card for the [[QBUS]]; it uses the same 'Fonz' [[F-11 chip set]] as the other [[KDF11 CPUs]]. | ||
| − | It contains only the basic CPU, unlike the other KDF-11's: no ROM, no serial | + | It contains only the basic CPU, unlike the other KDF-11's: no [[Read-only memory|ROM]], no [[asynchronous serial line]]s, etc. It does support the optional [[KTF11-A memory management chip]] and the [[KEF11-A floating point chip]], but not the [[KEF11-B]] [[PDP-11 Commercial Instruction Set]] (CIS). |
The first version of the KDF11-A (Revision A) only suppported 256 Kbytes of [[main memory]]; later versions supported up to 4 Mbytes. | The first version of the KDF11-A (Revision A) only suppported 256 Kbytes of [[main memory]]; later versions supported up to 4 Mbytes. | ||
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{{PDP-11}} | {{PDP-11}} | ||
Revision as of 14:54, 27 October 2018
The KDF11-A CPU is dual-width PDP-11 CPU card for the QBUS; it uses the same 'Fonz' F-11 chip set as the other KDF11 CPUs.
It contains only the basic CPU, unlike the other KDF-11's: no ROM, no asynchronous serial lines, etc. It does support the optional KTF11-A memory management chip and the KEF11-A floating point chip, but not the KEF11-B PDP-11 Commercial Instruction Set (CIS).
The first version of the KDF11-A (Revision A) only suppported 256 Kbytes of main memory; later versions supported up to 4 Mbytes.
| 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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