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• KDA50 disk controller
  ...n a QBUS [[backplane]] of a [[PDP-11]] or [[VAX]], and associated mounting hardware and cables. Dual [[microprocessor]]s on one of the cards execute independen ...ith each other by means of two [[over the back]] [[flat cable]]s. Mounting hardware for the cables to the drives consists of locating brackets and bulkhead con
  6 KB (888 words) - 10:56, 31 August 2023
• VAXstation 100 firmware notes
  Some random notes from running the [[Digital Equipment Corporation|DEC]]-supplied standard [[firmware]] for the [[VAXstation 100]] in an emulator. | Mouse x,y copied from hardware register
  9 KB (1,261 words) - 08:50, 27 February 2024
• Standard Drive Bus
  ...the lowest, [[hardware]] level of several [[Digital Equipment Corporation|DEC]] designed [[mass storage]] [[drive]] to [[device controller|controller]] i ...ntroduced (in 1981) because no existing standard had the capabilities that DEC deemed necessary in the mass storage arena. It is part of the [[Standard Di
  2 KB (301 words) - 12:59, 19 April 2024
• MicroVMS
  * Hardware restrictions DEC called MicroVMS "retired" from VMS 5.0 onwards
  2 KB (337 words) - 18:00, 13 January 2024
• VCB02 Video Controller
  ...ble address size|Q22]] version of the QBUS, and consisted of a number of [[DEC card form factor|quad]]-height modules. ...tween the 4/8 Plane Color and Mono versions are the bulkhead assemblies; [[DEC part number]]s:
  3 KB (477 words) - 18:58, 15 January 2024
• VCB03 Video Controller
  ...supports 1280 by 1024 [[resolution]] at 66 Hz [[display refresh]] rate, 3D hardware acceleration and (when fully configured) 24-bit true color. it also support * [http://www.bitsavers.org/pdf/dec/vax/ultrix-32/4.0_Jun90/AA-LY17B-TE_ULTRIX_4.0_Reference_Pages_Section_4_Sp
  2 KB (290 words) - 10:21, 17 April 2024
• The VMS-MicroVMS Merge
  The introduction of MICROVAX hardware opened new markets for VAX/[[VMS]]. A VAX/VMS system cost less than $20,000 Hardware, software, documentation and customer input seemed to indicate that MICROVM
  21 KB (3,330 words) - 03:40, 16 January 2024
• VAXserver
  ==Hardware Differences== [[Category: DEC VAX Systems]]
  3 KB (386 words) - 02:50, 2 June 2024
• KS11 Memory Protection and Relocation option
  ...tandard, so the KS11 became obsolete.) It was almost certainly produced by DEC's Computer Special Systems group. ==Hardware registers==
  5 KB (754 words) - 17:58, 29 February 2024
• VAX 85xx, 87xx, and 88xx systems
  ...us]] (probably the 'Nautilus Memory Interconnect', although no remaining [[DEC]] documentation gives the expansion of 'NMI'). The [[Central Processing Uni ...hree different model designations - VAX 85xx, VAX 8700, and VAX 8800 - the DEC internal superordinate name was "VAX 8800 Family" from the beginning:
  8 KB (1,158 words) - 03:12, 23 May 2024
• VAX 8500/8530/8550 Revision Control
  | 3-0 - 3-2 System Hardware History............................... 17 - 20... ...|7023098-MK001 A1 B1 Change Hardware Thread Type and Assembly |
  233 KB (10,381 words) - 20:20, 22 May 2023
• VAX 8700/8810 VAX 8800/8820N Revision Control
  | 3-0 System Hardware...................................... 17-19... | 3-5 87XBA Basic Hardware Group........................... 24...
  239 KB (10,046 words) - 20:25, 22 May 2023
• VAX 8820/8830/8840 Revision Control
  | 3-1 System Hardware History.............................. 15 | | 7024617 -01/02/03 A4 B4 Hardware change |
  170 KB (7,189 words) - 20:26, 22 May 2023
• Datapoint
  ...originally notionally a programmable [[video terminal]] (so that a single hardware design, with appropriate [[firmware]], could emulate many different kinds o ...ors as too grandiose (the same reason that [[Digital Equipment Corporation|DEC]] initially manufactured [[List of Programmed Data Processors|Programmed Da
  3 KB (379 words) - 04:59, 2 June 2023
• Running ITS (the Incompatible Timesharing System) on the KL-10
  ...is purpose, we intend to employ the "Murphy mode" or "KL-10 paging" mode [[hardware]] mechanism in the KL-10 [[Central Processing Unit|processor]]. ...normal [[instruction]]" when all required mapping data is found within the hardware pager memories.
  23 KB (3,961 words) - 17:58, 5 January 2024
• SUMEX-AIM
  ...EX]], expanded to two, and eventually replaced the earlier hardware with a DEC-20 running [[TOPS-20]]. It was available on both [[ARPANET]] and [[Tymnet]
  828 bytes (106 words) - 10:23, 10 January 2024
• Installing ULTRIX-11 V1.0 on SIMH
  Wed Dec 31 19:02:20 EST 1969 Wed Dec 31 19:32:43 EST 1969
  33 KB (4,919 words) - 12:31, 21 June 2023
• DEC Software-related Order Codes
  DEC Software Media, Software License, Software Service, and Software Manual Ord '''3rd to 5th Letter = [[DEC Unique Product Identifier| Unique Product Identifier]] (UPI)'''<br>
  6 KB (972 words) - 17:56, 25 April 2024
• CTI BUS
  ...used on the [[Professional 300 Series]] of [[Digital Equipment Corporation|DEC]] [[PDP-11]] personal computers solely. It seems to be a variant form of a ...n any available option slot. Each option module can generate two different hardware interrupt signals. When an option is in place, an option-present signal is
  1 KB (150 words) - 09:02, 30 June 2023
• DEC mounting boxes
  ...pment Corporation]] produced a selection of [[mounting box]]es (mechanical hardware) to hold [[backplane]]s (and the [[printed circuit board]]s which plugged i ...use of problems, or [[voltage]] drops, caused by the [[connector]]s in the DEC power distribution connector system.)
  1 KB (203 words) - 05:16, 14 February 2024

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