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• Setting up the Third Berkeley Software Tape
  The distribution tape can be used only a DEC ¹ - DEC, VAX, UNIBUS and MASSBUS are trademarks of Digital Equipment Corporation.<b
  42 KB (6,834 words) - 03:01, 17 January 2023
• RT-11
  Welcome to RT-11 Version 4. RT-11 V04 provides new hardware support [[Category: DEC Operating Systems]]
  6 KB (830 words) - 23:09, 20 October 2018
• TS11 controller
  ...NIBUS]] [[magnetic tape controller]]s from [[Digital Equipment Corporation|DEC]]; it was part of the [[TS11 Subsystem]], along with a [[TS04 Tape Transpor The TS11 controller is a [[DEC card form factor|hex]] card, the '''M7982''', which plugs into an [[Small P
  3 KB (369 words) - 20:54, 31 December 2023
• TUK50 Host Adapter Module
  It is a [[DEC card form factor|quad]] [[printed circuit board|board]], the '''M7547''', a * Hardware revision - An 8-wide [[DIP switch]] used to set the hardware revision level of the module; 'open' on a switch reads as '0'
  2 KB (363 words) - 15:09, 24 April 2024
• UDA50 Disk Controller
  ...a UNIBUS [[backplane]] of a [[PDP-11]] or [[VAX]], and associated mounting hardware and cables. * Minor hardware modification to make [[buffer]]ing easier.
  6 KB (980 words) - 10:55, 31 August 2023
• MSV11-J memory module
  ...the CPU are shown in normal font, and those which can also be set by the [[hardware]] in ''italics''. To start with, unlike other [[Digital Equipment Corporation|DEC]] boards, this board does not contain the ''Exx'' identification numbers fo
  8 KB (1,374 words) - 00:43, 30 July 2023
• VAX 8650
  ...'''VAX 8650''' was an improved version of [[Digital Equipment Corporation|DEC]]'s second-generation [[VAX]], the [[VAX 8600]]. An 8600 could be field-upg * <div id="ref_1">[1] VAX Hardware Handbook. Volume 2-1986. </div>
  2 KB (270 words) - 20:13, 6 May 2024
• Pcemu
  ...ator]], that emulates an [[i8086]] [[CPU]], along with text mode [[VGA]] [[hardware]]. The first version was written by David Hedley, as part of his Final Yea ...[[portable]], and can run on Sun & i386 machines. I've no luck with the [[DEC Alpha]], but I haven't looked to much into it. Also I've done a super basi
  1 KB (182 words) - 18:00, 20 October 2018
• Linux 0.00
  ...three operating systems interruption, software interruption, and processor hardware interrupt abnormal # Timer_interrupt hardware interrupt handling procedures, the film tells the system time, the switchin
  14 KB (1,991 words) - 01:23, 20 December 2018
• Setting Up Unix - Seventh Edition
  The distribution tape can be used only on a DEC 012700 Use the DEC ROM or other
  27 KB (4,414 words) - 02:56, 17 January 2023
• RH750 Massbus Adapter
  It was implemented on one [[DEC card form factor|extended hex]] card, the L0007 MASSBUS Adapter (MBA), whic * ''VAX Hardware Handbook (1980-81)'' (EB-17281-20) - the RH750 is covered in some detail in
  1 KB (215 words) - 20:13, 17 May 2024
• Setting up UNIX - Sixth Edition
  ___ the DEC bulk ROM for tape; it reads block 0, not grams at 100000. These programs correspond to the DEC bulk
  29 KB (3,738 words) - 02:56, 17 January 2023
• Installing NetBSD 1.2 on the SIMH MicroVAX II
  rd54|RD54|DEC RD54 on Microvax:\ Disk geometry for most DEC disks can be found in the disktab
  17 KB (2,338 words) - 21:14, 10 April 2012
• RA81 Disk Drive
  | manufacturer = [[Digital Equipment Corporation|DEC]] ...a [[non-removable-media disk]] drive from [[Digital Equipment Corporation|DEC]], introduced in June, 1982; it is member of the [[Digital Storage Architec
  4 KB (542 words) - 03:16, 31 August 2023
• UNIX System V
  AT&T also sold a SYSVr4 based product which ran on AT&T branded hardware, which typically was little more than [[multi-processor]] [[x86]] computers [[Category: Non-DEC Operating Systems]]
  1 KB (190 words) - 04:26, 29 December 2022
• RA60 Disk Drive
  The '''RA60 Disk Drive''' is a [[Digital Equipment Corporation|DEC]] [[Standard Disk Interconnect|SDI]] [[removable-pack disk]] drive, introdu The RA60 can also be connected in a dual-[[hardware port|port]] arrangement, permitting its use by two [[device controller|cont
  4 KB (524 words) - 10:36, 31 August 2023
• RA80 Disk Drive
  | manufacturer = [[Digital Equipment Corporation|DEC]] ...]] [[non-removable-media disk]] drive from [[Digital Equipment Corporation|DEC]]. A physically large drive (14-inch platters, in a heavy enclosure 10.5" x
  2 KB (332 words) - 03:16, 31 August 2023
• RM80 Disk Drive
  | manufacturer = [[Digital Equipment Corporation|DEC]] ...ASSBUS]] [[non-removable-media disk]] from [[Digital Equipment Corporation|DEC]]; it held 124 MB. It was apparently the MASSBUS version of the [[R80 Disk
  3 KB (355 words) - 16:23, 18 August 2023
• RA82 disk drive
  | manufacturer = [[Digital Equipment Corporation|DEC]] ...]] [[non-removable-media disk]] drive from [[Digital Equipment Corporation|DEC]]. It is member of the [[Digital Storage Architecture]]. A physically large
  2 KB (306 words) - 03:12, 31 August 2023
• TPA-11/580
  ...and can work with intrinsically infinite program lengths" (KFKI TPA-11/580 Hardware Handbook) ...operates and looks like from the software's view as if it were an original DEC machine. It run VAX/VMS, the original diagnostics and all software develope
  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 ** DEC, VAX, UNIBUS and MASSBUS are trademarks of Digi-
  57 KB (8,582 words) - 03:00, 17 January 2023
• Bug fixes and changes in 4.1bsd
  new RM-80 Winchester drive from DEC is supported. Not- hardware configurations by determining the available
  39 KB (5,307 words) - 05:01, 11 December 2018
• INTEL 80386 PROGRAMMER'S REFERENCE MANUAL
  customers with hardware support, software support, customer training, and After a customer purchases any system hardware or software product,
  890 KB (107,817 words) - 03:20, 3 January 2024
• Installing Ultrix 4.5 on SIMH
  *[[DEC]] [[MicroVAX 3800/3900|MicroVAX 3800]] ; Host System : DEC MicroVAX 3800
  44 KB (6,192 words) - 09:30, 29 September 2023
• Netbooting a VAXstation
  This page describes my struggles with trying to netboot a DEC VAXstation 4000/60 for installing NetBSD. I originally wrote this document ** It also needs a MOP server, which is called ''mopd'' for Linux (it is a DEC specific boot protocol)
  12 KB (1,853 words) - 20:06, 10 December 2015
• KUV11 Writeable Control Store
  ...r]]-[[programmable]] [[microcode]] [[memory]] extension, along with some [[hardware]] aids to [[debug]]ging micro-[[program]]s. It allows additional, custom [[ It consists of a [[DEC card form factor|quad]] [[printed circuit board|card]] (M8018) which plugs
  2 KB (337 words) - 21:12, 2 July 2023
• QBUS memories
  ...]] memory''' cards are available both from [[Digital Equipment Corporation|DEC]], and from a large number of outside vendors who produced and sold QBUS [[ ...nto [[QBUS#Variable address size|Q16]], Q18 and Q22 memories. In addition, DEC later specified the [[Private Memory Interconnect|PMI]] memory bus, an exte
  5 KB (835 words) - 02:21, 20 September 2022
• 4.2BSD driver for DEC Deuna Ethernet board
  A [[4.2 BSD]] [[device driver]] for [[Digital Equipment Corporation|DEC]] [[Digital Ethernet UNIBUS Network Adapter|DEUNA]] [[Ethernet]] board; bac Subject: 4.2BSD driver for DEC Deuna Ethernet board
  35 KB (6,389 words) - 02:51, 16 January 2024
• UNIX* System V and 4.1C BSD
  Berkeley), based on experience with both systems on a DEC 8.2.2 Variety of hardware and protocols
  113 KB (13,419 words) - 02:06, 17 December 2018
• DEC card form factor
  Many different [[Digital Equipment Corporation|DEC]] computers (e.g. [[PDP-8 family|PDP-8]], [[PDP-10]], [[PDP-11]]) used a st ...eared in the [[VAX-11/780]], and were called '''super hex''' boards within DEC.
  2 KB (372 words) - 12:02, 24 May 2022
• DEC alphabet
  ...ification|contact fingers]] on the edge of [[DEC card form factor|standard DEC cards]] (the first use). It runs: [[Category: DEC Hardware]]
  720 bytes (132 words) - 15:42, 8 August 2023
• KL10
  ...P-10]] processors. It was built out of [[Emitter-coupled logic|ECL]], on [[DEC card form factor|hex]] cards. It was the first [[microcode|micro-programmed * CPU hardware variants (-PA, -PV and -PW);
  11 KB (1,737 words) - 13:06, 2 April 2024
• KA10
  | design type = asynchronous with hardware subroutines ...[PDP-6]] architecture). It was built out of discrete [[transistor]]s, on [[DEC card form factor|short single]] [[FLIP CHIP]] cards, plugged into large cus
  2 KB (298 words) - 07:28, 6 September 2023
• DL11 asynchronous serial line interface
  ...computers which provided a single [[asynchronous serial line]]. It was a [[DEC card form factor|quad]] format card, and used an [[Small Peripheral Control ...[Berg connector]] header on the top edge of the card, using the standard [[DEC asynchronous serial line pinout]].
  7 KB (1,055 words) - 17:22, 6 February 2024
• KT11-B Paging Option
  ...option for the [[PDP-11/20]], produced by [[Digital Equipment Corporation|DEC]]'s Computer Special Systems group; it can provide a "[[multi-user]], machi Finally, hardware features prevent any user from interfering with the overall operation of th
  15 KB (2,571 words) - 22:23, 11 October 2022
• PDP-11 Memory Management
  ...ntrol field (read/only, read/write, etc), a 'dirty' bit (maintained by the hardware), etc. The layout of the PDR is: * [[KT11-B Paging Option]] - DEC experiment with paging
  9 KB (1,311 words) - 18:10, 2 July 2023
• KDF11-U CPU
  ...plugs into a custom slot in the likewise custom PDP-11/24 [[backplane]] ([[DEC part number]] 54-13817, assembly 70-16905). ==Hardware details==
  6 KB (1,087 words) - 16:16, 6 February 2024
• FP11 floating point
  ...oint]] data types and instructions supported by most [[PDP-11]]s which had hardware support for floating point. (Some supported a simpler, less capable floatin ...ng mode for each, and whether floating results were rounded, or 'chopped' (DEC's term for truncated, to avoid confusion with series truncation).
  3 KB (406 words) - 20:42, 13 June 2023
• RX01/02 floppy drive
  The '''RX01''' and '''RX02''' floppy drives were [[DEC]]'s first floppy drives, and were used on a number of computers, such as th ...'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
• LINC
  ...]). It was a 12-bit computer, built out of [[Digital Equipment Corporation|DEC]] [[System Module|System Building Blocks]]. The initial version had only 10 It became a product for DEC, which sold both the original, and several descendants: the [[LINC-8]], and
  3 KB (487 words) - 01:35, 28 February 2024
• Core memory
  ...M|DRAM]]-era perspective, seems quaintly dinosaurian. Individual pieces of hardware one can actually ''see'' with the naked eye, for ''each'' bit? [[Digital Equipment Corporation|DEC]] design practise was to include temperature sensors in the core planes, an
  8 KB (1,299 words) - 02:33, 4 March 2024
• Vonada's Engineering Maxims
  ...ing compiled by Don Vonada, an engineer at [[Digital Equipment Corporation|DEC]], and reproduced in: ...J. Craig Mudge, John. E. McNamara, "''Computer Engineering: A DEC View of Hardware Systems Design''" (Digital Press, Bedford, 1978)
  2 KB (299 words) - 12:36, 3 December 2023
• FIS floating point
  ...point]] [[instruction]]s supported by a few of the [[PDP-11]]s which had [[hardware]] support for floating point. ...between the two, the FIS was useful since [[Digital Equipment Corporation|DEC]]'s [[FORTRAN]] [[compiler]] (the main 'target' for the FIS) for the PDP-11
  2 KB (355 words) - 17:49, 7 December 2021
• PDP-11 Extended Instruction Set
  ...he basic [[PDP-11]] [[PDP-11 architecture|instruction set]]; it includes [[hardware]] multiply and divide, and also multi-bit shifts. The exact [[instruction]] ...1-E was US$1200. This almost certainly why [[Digital Equipment Corporation|DEC]] didn't just include the KE11-E functionality in the 'standard' -11/40, bu
  2 KB (266 words) - 17:20, 28 October 2022
• BSD Fast File System
  ...tion of most meta-data, and all data, it was still somewhat susceptible to hardware failures such as [[head crash]]es). ...nformation too was not all on a single platter, and vulnerable to a single hardware failure.
  11 KB (1,759 words) - 19:20, 12 June 2023
• System unit
  ...' is a standard modular [[backplane]] from [[Digital Equipment Corporation|DEC]], used mostly in [[UNIBUS]] [[PDP-11]]s. The initial system units were [[DEC card form factor|hex]] height, four-slot assemblies. (Sometimes a number of
  1 KB (178 words) - 15:45, 23 December 2023
• PDP-6
  | design type = asynchronous with hardware subroutines ...tly) [[object code]] compatible. It was built out of [[System Module]]s, [[DEC]]'s predecessor to the [[FLIP CHIP]] module series (out of which the first
  3 KB (510 words) - 07:28, 6 September 2023
• MicroVAX 2000
  * [http://www.bitsavers.org/pdf/dec/vax/2000/ VAX 2000] - documentation at [[Bitsavers]] ** [http://www.bitsavers.org/pdf/dec/vax/2000/EK-VTTAA-TM.001_VAXstation_2000_and_MicroVAX_2000_Technical_Manual
  5 KB (595 words) - 17:41, 13 January 2024
• MicroVAX 3100 Model 95
  <div id="ref_4">[4] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46</div> [[Category: DEC VAX systems]]
  1 KB (128 words) - 04:37, 24 May 2023
• MicroVAX 3100 Model 96
  <div id="ref_3">[3] VAX Hardware Handbook. Volume 2-1986. </div> [[Category: DEC VAX systems]]
  1 KB (106 words) - 04:38, 24 May 2023

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