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• DRV11-J High-Density Parallel Interface
  ...not [[program compatible]] with any other [[Digital Equipment Corporation|DEC]] parallel port controller. * REQ B - Request B - Signal from user's hardware which can be tested, or cause an [[interrupt]] (below)
  2 KB (383 words) - 03:58, 10 June 2020
• FCO CIBCI-I001
  level diagnostics on any of the currently supported CI hardware. in your CI hardware. Rename the selected version to
  49 KB (4,759 words) - 09:21, 27 February 2023
• DR11-C general device interface
  ...parallel interface|parallel ports]], one input, and one output. It was a [[DEC card form factor|quad]] format card (M7860), and used an [[Small Peripheral * REQ B - Request B - Signal from user's hardware which can be tested, or cause an [[interrupt]] (below)
  3 KB (432 words) - 23:26, 24 November 2022
• KD11-D CPU
  ...eavy use of [[Read-only memory#PROM|PROMs]]). It was contained on single [[DEC card form factor|hex]] [[printed circuit board|card]] (the M7263), the firs ...t PDP-11s, it did not support either [[memory management]] of any kind, or hardware [[floating point]], [[PDP-11 Extended Instruction Set|EIS]] [[instruction]]
  2 KB (385 words) - 22:37, 31 March 2022
• FP11-E Floating Point Processor
  The '''FP11-E Floating Point Processor''' is the optional [[hardware]] [[floating point]] unit for the [[KD11-K CPU]] of the [[PDP-11/60]]. The It was a 4 [[DEC card form factor|hex]] board [[co-processor]]:
  1 KB (229 words) - 02:19, 13 October 2022
• Stanford Artificial Intelligence Laboratory
  ...t of its early life, SAIL principally used [[Digital Equipment Corporation|DEC]] [[PDP-10]] machines, running their own [[WAITS]] [[time-sharing]] [[opera ...5A_DECsystem-1020_Hardware_Manual_DEC-10-XSRMA-D_Jan77.pdf DECsystem-10/20 Hardware Manual] - an appendix in this copy (pp. 227-241 of the PDF) contains detail
  4 KB (582 words) - 02:20, 10 January 2024
• LSI-11 CPUs
  The '''LSI-11 CPUs''' were [[Digital Equipment Corporation|DEC]]'s first cost-reduced [[PDP-11]] [[Central Processing Unit|CPUs]], using a The first [[LSI-11]] was a [[DEC card form factor|quad]] board (M7264) with additional functionality on-boar
  3 KB (453 words) - 16:35, 6 April 2024
• KE11-A Extended Arithmetic Element
  It is implemented as several [[DEC card form factor|quad]] and dual [[printed circuit board|boards]], plugged ...]] and [[PDP-11/04]], which likewise did not implement multiplication in [[hardware]], etc.
  5 KB (680 words) - 21:17, 2 July 2023
• KE11-B Extended Arithmetic Element
  ...ic Element''' is a [[program compatible]] re-implementation (on a single [[DEC card form factor|hex]] board - the M7840) of the [[KE11-A Extended Arithmet ...]] and [[PDP-11/04]], which likewise did not implement multiplication in [[hardware]], etc. The KE11-B can likewise be used with these later models.
  1 KB (186 words) - 21:17, 2 July 2023
• DM11 Asynchronous 16-line Single-Speed Multiplexer
  ...t]]s, and [[half-duplex]] and [[full-duplex]] operation are supported in [[hardware]]. The 64-[[character]] FIFO buffer made input over-runs unlikely. ...multiple cards; a [[flat cable]] connected this to separate rack-mounted [[DEC card form factor|dual-height]] [[DM11 distribution panel]] backplane (which
  8 KB (1,088 words) - 02:24, 19 February 2023
• MSV11-Q QBUS memory
  The '''MSV11-Q''' (M7551) is a [[DEC card form factor|quad]]-height [[QBUS]] [[Dynamic RAM|DRAM]] [[main memory] ...the CPU are shown in normal font, and those which can also be set by the [[hardware]] in ''italics''.
  6 KB (898 words) - 21:25, 16 March 2022
• DUP11 synchronous serial line interface
  ...ine interface|DU11]] with [[cyclic redundancy check|CRC]] computation in [[hardware]]. Like the earlier DU11, it used [[programmed I/O]] (with separate receive It was a [[DEC card form factor|hex]] card, the '''M7867'''; it plugged into an [[Small Pe
  5 KB (809 words) - 04:21, 18 February 2023
• DR11-L general-purpose interface
  ...provided a pair of 16-[[bit]] parallel ports, both input-only. It was a [[DEC card form factor|quad]] format card ('''M7864'''), and used an [[Small Peri * SI - Status In: Signal from user's hardware which can be tested
  3 KB (426 words) - 21:24, 24 November 2022
• DRV11-B Direct Memory Access Interface
  It was a [[DEC card form factor|quad]] format card (M7950); connection to the user's devic * ATTN - Attention; signal from user's hardware which can be tested, or cause an [[interrupt]] (below)
  3 KB (380 words) - 03:54, 10 June 2020
• MSV11-R memory module
  The '''MSV11-R''' (M7458) is a [[DEC card form factor|quad]]-height [[QBUS]]/[[Private Memory Interconnect|PMI]] ...o documentation for it. It is not clear if [[Digital Equipment Corporation|DEC]] ever sold that configuration.
  6 KB (962 words) - 15:51, 24 December 2021
• MSV11-M QBUS memory
  The '''MSV11-M''' (M7506) is a [[DEC card form factor|dual]]-height [[QBUS]] [[Dynamic RAM|DRAM]] [[main memory] ...the CPU are shown in normal font, and those which can also be set by the [[hardware]] in ''italics''.
  6 KB (988 words) - 21:25, 2 July 2023
• MSV11-L MOS Random-Access Memory
  The '''MSV11-L''' is a [[QBUS]] [[DEC card form factor|dual]]-height [[Dynamic RAM|DRAM]] [[main memory]] card ( ...] are shown in normal font, and those which can also be set by the board [[hardware]] in ''italics''.
  6 KB (926 words) - 14:10, 22 September 2022
• MSV11-P MOS Random-Access Memory
  The '''MSV11-P''' (M8067) is a [[DEC card form factor|quad]]-height [[QBUS]] [[Dynamic RAM|DRAM]] [[main memory] ...the CPU are shown in normal font, and those which can also be set by the [[hardware]] in ''italics''.
  4 KB (600 words) - 21:23, 2 July 2023
• Three cycle data break
  ...n memory]], used on a number of [[List of Programmed Data Processors|early DEC computers]]. ...evice into one shared set within the processor, thereby economizing on the hardware in the device. (Recall that this mechanism was used in an era when gates we
  1 KB (235 words) - 22:06, 15 June 2022
• DRV11 Parallel Line Unit
  ...a pair of 16-[[bit]] parallel ports, one input, and one output. It was a [[DEC card form factor|dual]] format card (M7941); it used [[programmed I/O]]. It * REQ B - Request B - Signal from user's hardware which can be tested, or cause an [[interrupt]] (below)
  2 KB (373 words) - 19:18, 7 July 2023

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