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• FPF11 floating point processor
  ...[[Central Processing Unit|CPU]] board. It can be plugged into either a [[UNIBUS]] or [[QBUS]] backpane, since it does not use the [[bus]]; it only gets pow [[Category: PDP-11 Processors]]
  2 KB (383 words) - 02:31, 12 October 2022
• RS64 disk drive
  | controller = [[RC11 disk controller|RC11]] ([[UNIBUS]]) ...[[PDP-11]]s. (No [[PDP-8 family|PDP-8]] or other [[List of Programmed Data Processors|early DEC system]] [[device controller]] has yet been seen for it, although
  2 KB (258 words) - 22:12, 14 August 2023
• KD11-D CPU
  It plugs into a modified [[Modified UNIBUS Device|MUD]] [[backplane]], either the the [[DD11-C backplane|DD11-C]] or [ ...bove) of the M7263. (The main functionality of the KY11-B is done over the UNIBUS, and a pair of backplane lines.)
  2 KB (385 words) - 22:37, 31 March 2022
• KT11-D Memory Management Unit
  [[Category: PDP-11 UNIBUS Processors]]
  2 KB (258 words) - 00:29, 30 December 2023
• KD11-K CPU
  ...[[PDP-11 Memory Management|subset PDP-11 memory management]], and used a [[UNIBUS]] for its [[main memory]] access (although a built-in [[cache]] was standar ...e memory UNIBUS; but it also indicates (pg. 3) that there is only a single UNIBUS. (Perhaps all the [[bus grant line]]s from the bus arbitration circuitry in
  4 KB (536 words) - 12:34, 11 October 2022
• FP11-E Floating Point Processor
  [[Category: PDP-11 UNIBUS Processors]]
  1 KB (229 words) - 02:19, 13 October 2022
• Bus Arbitration on the Unibus and QBUS
  '''On Bus Arbitration on the Unibus and QBUS''' ...ry from years ago of being told about how there was a design flaw in the [[UNIBUS]] that could, on rare occasion, lead to a bus-arbitration failure, and that
  21 KB (3,685 words) - 04:35, 28 November 2023
• KJ11-A Stack Limit Register
  [[Category: PDP-11 UNIBUS Processors]]
  995 bytes (154 words) - 02:35, 12 October 2022
• KK11-B Cache Memory
  ...ytes; also a tag field for cache entries, 9 bits wide (covering [[Extended UNIBUS]] address bits 21-13); 3 [[parity]] bits (one for the tag); and two valid b ...IBUS]] was cached, not any memory which might be present on the ordinary [[UNIBUS]] (normally used only for [[input/output|I/O]]).
  3 KB (501 words) - 16:27, 6 February 2024
• KY11-L to CPU interface
  ...console to request that the CPU [[halt]]; this is done with the standard [[UNIBUS]] [[signal]], SACK, and a pair of additional signals, Halt Request and Gran ...[[grant continuity card]]), the machine will irretrievably 'freeze'; see [[UNIBUS and QBUS termination#SACK turnaround and CPU hangs|SACK turnaround and CPU
  4 KB (650 words) - 16:50, 4 December 2022
• PDP-11/40E
  ...croprogrammable_Processors_May75.pdf A Comparison of Two Microprogrammable Processors] [[Category: UNIBUS PDP-11s]]
  1 KB (183 words) - 16:20, 11 January 2024
• M8264 No-SACK Timeout Module
  ...SACK Timeout Module''' is rare, little-known, poorly-documented optional [[UNIBUS]] board for the [[KD11-D CPU]] of the [[PDP-11/04]] and the [[KD11-E CPU]] It provides the [[UNIBUS and QBUS termination#SACK turnaround|grant timeout circuit]] which is not i
  4 KB (740 words) - 16:41, 20 April 2022
• KA750 CPU
  * L0004 [[UNIBUS]] Interface (UBI) - UNIBUS control and function, ancillary functions [[Category: DEC VAX Processors]]
  3 KB (519 words) - 03:33, 18 May 2024
• VAX Bus Interconnect
  ...the peripherals and I/O adapters. One of the latter was produced for the [[UNIBUS]]; peripherals included [[Ethernet]] and [[Computer Interconnect|CI]] inter
  3 KB (438 words) - 01:46, 8 May 2024
• VAX-11/780 & VAX-11/782 Revision Control
  5.7 DW780 - Unibus Adapter 11782 processors.
  70 KB (7,782 words) - 14:04, 2 July 2022
• KS11 Memory Protection and Relocation option
  The '''KS11 Memory Protection and Relocation option''' was a [[UNIBUS]] option which was apparently [[Digital Equipment Corporation|DEC]]'s first ...and the [[main memory]] and [[peripheral|devices]] on the rest of the the UNIBUS (in the same manner as the [[KT11-B Paging Option]]).
  5 KB (754 words) - 17:58, 29 February 2024
• Installing ULTRIX-11 V1.0 on SIMH
  rh11 pdp11 unibus RM02, RP04/5/6, ML11, RS03/4 rk611 pdp11 unibus RK06/7
  33 KB (4,919 words) - 12:31, 21 June 2023
• DEC Software-related Order Codes
  ...s and Services for new processors while Software Products and Services for processors already introduced remained in the old 7-Character Format. *J - [[PDP-11]] [[UNIBUS]]-based ([[RT-11]], [[ULTRIX-11]])
  6 KB (972 words) - 17:56, 25 April 2024
• KE44-A Commercial Instruction Set Processor
  [[Category: PDP-11 UNIBUS Processors]]
  831 bytes (119 words) - 21:09, 5 July 2023
• KC11 CPU
  * Only one [[interrupt]] priority level on the [[UNIBUS]] [[Category: PDP-11 UNIBUS Processors]]
  1 KB (202 words) - 01:40, 6 July 2023

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