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• DECnet
  ...nto one of the first peer-to-peer network architectures, thus transforming DEC into a networking powerhouse in the 1980s. ...rconnection|OSI]] compliant networking protocol, around the time when open systems ([[POSIX]] compliant, i.e. [[UNIX|Unix-like]]) were grabbing marketshare fr
  17 KB (2,405 words) - 17:43, 13 January 2024
• RSTS/E
  | creator = [[Digital Equipment Corporation|DEC]] ...ed]] [[operating system]] developed by [[Digital Equipment Corporation]] ("DEC") for the [[PDP-11]] series of 16-bit [[minicomputer]]s, and used primarily
  14 KB (2,134 words) - 16:06, 3 May 2023
• PDP-11
  ...mputer]]s introduced in 1969 [1] by the [[Digital Equipment Corporation]] (DEC), in production by them from 1970-1990. Their life-time spanned a period of ...UNIBUS]] for a bus, and the later ones which used the [[QBUS]]. Eventually DEC stopped producing [[UNIBUS]] PDP-11's (the last were the [[PDP-11/44]] and
  10 KB (1,393 words) - 16:03, 23 April 2024
• VAX
  ...eXtension') for a family of computers from [[Digital Equipment Corporation|DEC]]. They were the successors to the [[PDP-11]] series of [[minicomputer]]s. ==Operating Systems==
  3 KB (388 words) - 16:50, 22 April 2024
• UNIBUS
  ...C]]; it was first seen in the [[PDP-11/20]], in 1970. Later, early [[VAX]] systems from that company used the UNIBUS as an I/O bus; it was also used in the sm It was the only bus in most PDP-11 systems, until the arrival of the [[QBUS]], and thus supported several capabilities
  13 KB (2,162 words) - 23:26, 14 January 2024
• PDP-11/70
  The main memory systems supported by the -11/70 were the [[MJ11 memory system]] (which used [[core The cabling used for the Main Memory Bus ([[DEC part number]] 70-10824) consists of a set of four BC06R-xx [[flat cable]]s;
  5 KB (729 words) - 23:43, 29 February 2024
• Digital Equipment Corporation
  '''Digital Equipment Corporation''', or '''DEC''', was a large computer company (at one time, the second-largest in the wo They reached the peak of their success in the 1980s, with their [[VAX]] line. However, they were unable to successfully adapt to the rise of pers
  5 KB (624 words) - 19:19, 19 March 2024
• VAX-11/780
  | name = VAX-11/780 [[Image:Vax11-780_2.png|thumb|A 'typical' VAX-11/780 marketing image]]
  8 KB (1,030 words) - 21:30, 25 April 2024
• VAX-11/782
  | name = VAX-11/782 ...VAX-11/782''' was an early asymmetric [[multi-processor|dual processor]] [[VAX]]; it had two [[KA780 CPU|KA780]] [[Central Processing Unit|CPUs]] connecte
  3 KB (420 words) - 09:14, 15 July 2023
• VAX-11/750
  | name = VAX-11/750 | image = VAX 11 750 Trondheim.jpg
  8 KB (1,079 words) - 21:52, 7 April 2024
• VMS
  | current version = 7.3 (for VAX)<br/>8.4 (for Alpha and Itanium)<br/>9.2 (for x86) It runs on the [[VAX]], [[Alpha]], [[Itanium]], and [[Intel x86|x86]] platforms. Beginning with
  2 KB (335 words) - 10:03, 27 April 2024
• VAX-11/730
  | name = VAX-11/730 ...ems to have been most popular for application development projects for the VAX - where the architecture was needed, but not necessarily performance.
  5 KB (708 words) - 12:22, 29 March 2023
• MicroVAX I
  | OS-support-ULTRIX = ULTRIX/VAX V1.0 to ULTRIX/VAX V2.4? ...X Unit of Performance|VUPs]]), even slower than the [[VAX-11/730]] resp. [[VAX-11/725]].
  10 KB (1,525 words) - 21:20, 10 January 2024
• MicroVAX II
  The '''MicroVAX II''' was a small [[VAX]], with the [[KA630 CPU‎‎]] for its [[Central Processing Unit|CPU]]. It ==Operating Systems==
  5 KB (708 words) - 23:09, 10 April 2024
• VAX 4000 Model 100/100A
  == VAX 4000 Model 100/100A systems == | name = VAX 4000 Model 100/100A
  2 KB (159 words) - 08:12, 12 September 2023
• Linux
  ...iginally developed in the 1990s by a student Linus Torvalds. Today's Linux systems are split into various branches, developed over time by millions of volunte ...ports to the [[Amiga]], early [[Macintosh|Macs]], a partial port to the [[VAX]] and a port to [[System/390]] as well as various [[SGI]] and [[Sun Microsy
  28 KB (4,805 words) - 18:01, 29 February 2024
• VAX-11/785
  | name = VAX-11/785 The '''VAX-11/785''' was an upgraded version of the [[VAX-11/780|/780]]; its [[Central Processing Unit|CPUs]] used [[Advanced Schottk
  2 KB (193 words) - 04:26, 13 January 2024
• VAX 9000 series
  ...s a high-performance [[VAX]], described by [[Digital Equipment Corporation|DEC]] as a '[[mainframe]] computer'. They were built around a System Control Un ...]s. The performance levels in the line ranged from 30 to 108 [[VUP]]s; the VAX 9000s supported [[vector processing]]. A 'service processor unit' (SPU) con
  3 KB (415 words) - 01:26, 2 January 2024
• MicroVAX 3800/3900
  ...original model of [[VAX]] emulated by [[SIMH]]. (It now also emulates a [[VAX-11/780]].) It can run [[4.3 BSD]], [[VMS]] 5.1-1 to 7.3, and [[NetBSD]], a ...2">[2] [http://www.vaxhaven.com/images/c/c6/EK-VAXCT-CG-006.pdf VAXcluster Systems - Guidelines for VAXcluster System Configurations] (EK-VAXCT-CG-006)</div>
  3 KB (380 words) - 07:06, 31 January 2024
• ULTRIX
  | current version = 4.5 for VAX and DECStation (1995) | architecture = [[PDP-11]], [[VAX]], [[DECStation]]/[[DECsystem]] ([[RISC]])
  3 KB (370 words) - 03:59, 13 January 2024
• SIMH
  ...[[Digital Equipment Corporation|DEC]] systems, as the PDPs and even the [[VAX]] are well emulated by it. ...network interfaces for the [[PDP-10]], [[PDP-11]] and VAX, so the emulated systems can network directly onto the [[Internet]], if the emulated operating syste
  5 KB (845 words) - 22:53, 14 January 2024
• Mass Storage Control Protocol
  ...d [[magnetic tape drive]]s for, amongst other computers, [[PDP-11]]s and [[VAX]]en. ...isk Interconnect]], [[Low End System Interconnect]], and [[Digital Storage Systems Interconnect]].
  1,021 bytes (134 words) - 20:41, 23 April 2024
• MicroVAX 3500/3600
  ...similar. The difference between the 3500 and 3600 is the placement of the systems: the 3500 uses the [[BA213]] enclosure, whereas the 3600 uses the bare BA21 ...00 and 3600 used the BA213 enclosure. (The [http://vtda.org/docs/computing/DEC/VMS/EK-O33AB-OM-002_MicroVAX_3600_VAXserver_3600_3602_Operation_Jul1988.pdf
  3 KB (410 words) - 20:26, 10 March 2024
• Zork
  ...anguage. It was VERY popular and was ported to various other languages and systems. The [[FORTRAN]] port by Bob Supnik is perhaps one of the more popular vers a somewhat paranoid DEC engineer who prefers to remain anonymous.
  21 KB (3,303 words) - 07:30, 6 September 2023
• Unix Seventh Edition
  Unix V7 was also one of the first operating systems to ship with a [[FORTRAN|Fortran 77]] compiler. === Digital VAX ===
  5 KB (776 words) - 19:30, 21 October 2023
• Unix/32V
  | architecture = [[VAX]], theoretically [[portable]] ...t influential. 32V could only run on the [[VAX-11/780]] as it was the only VAX in existence at that time.
  4 KB (616 words) - 20:53, 14 January 2024
• XENIX
  : ''XENIX was originally developed on a DEC Virtual Address Extension (VAX) running the Virtual Memory System (VMS) and a PDP-11 running UNIX V7, albe ...r to the 16-bit microprocessors. Currently scheduled machines included the DEC LSI-11/23, Zilogs Z8001 and Z8002, Intel's 8086 and 286, and Motorola's MC6
  12 KB (1,893 words) - 19:28, 21 October 2023
• 4.3 BSD Tahoe
  | architecture = [[VAX]], [[Tahoe]] theoretically portable ...y after. However by introducing the Tahoe port, it helped separate out the VAX specific code, there by allowing 4.3 BSD to become a more portable operatin
  7 KB (1,067 words) - 04:25, 10 December 2018
• Installing Ultrix 4.0 on SIMH
  Now we are ready to run the emulator. Simply run "vax ultrix.ini" and you'll get this much: VAX simulator V3.8-1
  13 KB (1,865 words) - 18:41, 3 July 2022
• A UNIX™ Operating System for the DEC VAX-11/780 Computer
  A UNIX™ Operating System for the [[Digital Equipment Corporation|DEC]] [[VAX-11/780]] Computer ...rough a console computer which can be remotely accessed. Additionally, the VAX-11/780 is priced nearly the same as a PDP-11/70 and executes most programs
  49 KB (7,745 words) - 14:29, 6 May 2023
• UNIX System III
  | architecture = [[VAX]], [[PDP-11]], [[Intel 80286|i286]], [[Zilog Z8000|Z8000]] probably others The 32-bit [[VAX]] version was based on [[Unix/32V]], while the 16-bit [[PDP-11]] version wa
  3 KB (442 words) - 19:36, 21 October 2023
• Setting up the Third Berkeley Software Tape
  The distribution tape can be used only a DEC VAX-11/780¹ with RM03 or RP06 disks and with TE16 tape
  42 KB (6,834 words) - 03:01, 17 January 2023
• UDA50 Disk Controller
  ...”) cards, which a mounted in a UNIBUS [[backplane]] of a [[PDP-11]] or [[VAX]], and associated mounting hardware and cables. * Selectable [[jumper]]s for UNIBUS delays for various systems.
  6 KB (980 words) - 10:55, 31 August 2023
• DEC Alpha
  ...[[Digital Equipment Corporation]] (DEC), designed to replace the 32-bit [[VAX]] [[Complex Instruction Set Computer]] (CISC) ISA and its implementations. ...ndows NT]] (until 4.0 SP6 and Windows 2000 RC1). [[Open source]] operating systems that run on the Alpha are [[Linux]], [[BSD]] UNIX ([[NetBSD]], [[OpenBSD]]
  2 KB (260 words) - 21:32, 18 February 2024
• VAX 8650
  | name = VAX 8650 ...f [[Digital Equipment Corporation|DEC]]'s second-generation [[VAX]], the [[VAX 8600]]. An 8600 could be field-upgraded to an 8650.
  2 KB (271 words) - 14:53, 23 May 2023
• Unix SYSVr2
  unix unix 2.0v2 gdts vax-780 Is the date Sat Dec 30 11:41:02 EST 2000 correct? (y or n) y
  2 KB (225 words) - 04:17, 17 December 2018
• UNIX System V
  [[Category: PDP-11 Operating Systems]] [[Category: VAX Operating Systems]]
  1 KB (190 words) - 04:26, 29 December 2022
• VAX-11/725
  | name = VAX-11/725 The '''VAX-11/725''' is a [[VAX-11/730]] in a smaller enclosure; like the -11/730, it uses a [[UNIBUS]] for
  2 KB (201 words) - 17:24, 29 August 2023
• RM02/03 disk drive
  ...bus Adapter|RH780]] ([[VAX-11/780]])<br>[[RH750 Massbus Adapter|RH750]] ([[VAX-11/750]]) | tracks = 823<!-- (nominally 400 plus 6 spares; many systems used all 406, as reliability was high) -->
  4 KB (533 words) - 17:08, 15 August 2023
• TPA-11/580
  ...paralell execution of independent procedures. Its operating system is the VAX/VMS virtual memory management system that can use up to 4 GBs of memory and ...o be shipped to Hungary or to any other country of the "eastern bloc". The VAX had an appeal with its PDP-11 compatibility mode, and it was microcoded, so
  4 KB (587 words) - 00:38, 2 January 2024
• Setting up (BSD 4.0) the Fourth Berkeley Software Tape
  The basic distribution tape can be used only on a DEC VAX-11/780** with RM03, RM05 or RP06 disks and with TE16,
  57 KB (8,582 words) - 03:00, 17 January 2023
• Bug fixes and changes in 4.1bsd
  Computer Systems Research Group in the Berkeley system for the VAX between the
  39 KB (5,307 words) - 05:01, 11 December 2018
• Installing Ultrix 4.5 on SIMH
  ...-IN-PROGRESS guide will be a simple guide to installing [[ULTRIX]] 4.5 for VAX on [[SIMH]]. *An ISO image of ULTRIX 4.5 for [[VAX]]
  44 KB (6,192 words) - 09:30, 29 September 2023
• UNIX* System V and 4.1C BSD
  Berkeley), based on experience with both systems on a DEC VAX-11/780.
  113 KB (13,419 words) - 02:06, 17 December 2018
• RX01/02 floppy drive
  ...number of computers, such as the [[PDP-8 family|PDP-8]], [[PDP-11]], and [[VAX-11/780]]. ...'not''' the same as the 'normal' double-density 8" floppy, but a unique-to-DEC format. Single-density recording uses a double frequency ([[Frequency Modul
  8 KB (1,195 words) - 20:09, 15 August 2023
• MASSBUS
  ...devised by [[Digital Equipment Corporation|DEC]], and used to connect DEC systems to high-speed [[disk]] [[drive]]s and [[magnetic tape|tape]] controllers su ...mputer families (initially the [[PDP-10]] and [[PDP-11]]; later also the [[VAX]]en) to share a common set of peripherals.
  5 KB (729 words) - 21:36, 2 December 2023
• 2.10BSD
  ...ent|memory management]]. It was basically the same as [[4.3BSD]] for the [[VAX]], to the point where there were no separate manuals, users were expected t [[Category: PDP-11 Operating Systems]]
  2 KB (277 words) - 18:46, 27 October 2022
• MK11 memory system
  ...ne, for a maximum of slightly less than 4MB (with 64KB modules, eight MK11 systems would be needed to reach this; with 265KB modules, only two). ...odules; they were all plugged into a large custom 24-slot [[backplane]] ([[DEC part number]] 70-14226-0), all housed in a [[BA11-K mounting box]].
  8 KB (1,276 words) - 03:23, 6 February 2024
• BSD Fast File System
  One factor was the small block size (which was to some extent ameliorated in systems prior to the FFS by using larger block sizes). Another was the fact that al * the hardware block size (512 bytes on DEC hardware), hereinafter 'sector' size;
  11 KB (1,759 words) - 19:20, 12 June 2023
• DH11 asynchronous serial line interface
  As a UNIBUS device, it was usable on the [[PDP-11]] and [[VAX]] computers. Although it first appeared very early on in the lifetime of th ...A RS-232]] serial lines; these were installed in a separate rack-mounted [[DEC card form factor|dual-height]] [[DM11 distribution panel]] [[backplane]] (w
  10 KB (1,443 words) - 02:27, 19 February 2023

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