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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. ...cintosh]] computers and PCs running both DOS and Windows under the name '''DEC Pathworks''', transforming these systems into DECnet end-nodes in a network
  17 KB (2,405 words) - 17:43, 13 January 2024
• RSX-11
  | creator = [[Digital Equipment Corporation|DEC]] ...em]]s for [[PDP-11]] computers, created by [[Digital Equipment Corporation|DEC]]; it was common in the late 1970s and early 1980s. It was designed for and
  7 KB (1,188 words) - 22:11, 6 August 2023
• 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. ==New Emulator Hardware==
  3 KB (388 words) - 16:50, 22 April 2024
• PDP-11/20
  ...al Equipment Corporation|DEC]]; its [[KA11 CPU]] was built from a set of [[DEC card form factor|quad width extended-length]] cards carrying SSI [[transist ...rdware multiply and divide, [[floating point]], and [[memory management]]. DEC provided a series of optional accessories that provided some of these capab
  6 KB (900 words) - 19:27, 31 December 2023
• PDP-11/60
  ...in its day, a rather unsuccessful model of [[Digital Equipment Corporation|DEC]]'s [[PDP-11]] line; although considerable more complex than the [[PDP-11/3 ==Hardware==
  3 KB (461 words) - 16:34, 11 January 2022
• PDP-11/70
  The cabling used for the Main Memory Bus ([[DEC part number]] 70-10824) consists of a set of four BC06R-xx [[flat cable]]s; * [http://bitsavers.org/pdf/dec/pdp11/1170/ 11/70] - documentation at [[Bitsavers]]
  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 * [[Taxonomy of DEC consoles]]
  5 KB (624 words) - 19:19, 19 March 2024
• RK611 disk controller
  ...rs are done using [[Direct Memory Access|DMA]]. Data is protected with a [[hardware]]-generated and checked [[error-correcting code]] (ECC); corrections (up to The RK611 consists of a specially wired 9-slot [[backplane]] and five [[DEC card form factor|hex]] cards; these are:
  4 KB (563 words) - 13:33, 26 February 2023
• RL01/02 disk drive
  ...troduced in 1976 and 1978 respectively, by [[Digital Equipment Corporation|DEC]]. They used an [[IBM 5440]] type pack, as used on the [[IBM System/3]]. Up ...|RLV11]] and [[RLV12 disk controller|RLV12]]; the former consists of two [[DEC card form factor|quad]] cards, and needs a QBUS [[backplane]] with [[CD int
  8 KB (1,357 words) - 16:33, 18 August 2023
• PDP-11 architecture
  ...f 16-[[bit]] [[minicomputer]]s designed by [[Digital Equipment Corporation|DEC]], in production from 1970-1990. Although the basic [[address space]] was 1 ...Pointer]]. (Other registers can be used as [[stack]] [[pointer]]s, but the hardware uses this one for [[subroutine]] call and return, [[interrupt]]s, [[trap]]s
  13 KB (1,949 words) - 17:37, 29 February 2024
• RK05 disk drive
  ...he earlier [[RK02/03 disk drive|RK02]] and RK03 drives (which were sold by DEC, but not manufactured by them), which in turn were inspired by the IBM 2315 ...ive bus, on which the selected drive was encoded in [[binary]]. The RK05's hardware selects which kind of drive select encoding to use based on the RK11-C/RK11
  7 KB (1,170 words) - 00:30, 15 August 2023
• RK8-E disk controller
  ==Hardware== The [[DEC card form factor|quad]] boards which made up the RK8E were the M7104, M7105
  712 bytes (111 words) - 18:25, 29 April 2021
• VAX-11/780
  ...ounced on October 25^th, 1977 at [[Digital Equipment Corporation|DEC]]'s Annual Meeting of Shareholders.[[#ref_4|[4]]] The VAX-11/780 was given ...two DEC VAX-11/780's and made the first multi-CPU Unix computer, preceding DEC's dual processor [[VAX-11/782]]. The operating system was based on the 4.2
  8 KB (1,030 words) - 21:30, 25 April 2024
• VAX-11/782
  The VAX-11/782 presented in the "VAX Hardware Handbook Volume 1 - 1986": ...avers.org/pdf/dec/vax/handbook/VAX_Hardware_Handbook_Volume_1_1986.pdf VAX Hardware Handbook Volume 1 - 1986] (VAX-11/782 on pdf pages 36ff)
  3 KB (420 words) - 09:14, 15 July 2023
• PDP-8 family
  ...f 12-[[bit]] [[minicomputer]]s produced by [[Digital Equipment Corporation|DEC]]. | [[PDP-8/E]] || 1970 || 1978 || ??? || [[DEC card form factor|quad]] [[printed circuit board|PCBs]] || First [[OMNIBUS]
  4 KB (432 words) - 14:44, 7 March 2023
• VAX-11/750
  ...0 CPU]]. It supported several pre-existing [[Digital Equipment Corporation|DEC]] [[input/output|I/O]] [[bus]]es ([[UNIBUS]] and [[MASSBUS]]), so there are ...AX-11/750 comes in an [[H9645]] cabinet and has one large [[backplane]] ([[DEC part number]] 50-13821/70-16486/54-13822), into which plug:
  8 KB (1,079 words) - 21:52, 7 April 2024
• PDP-8/E
  | manufacturer = [[Digital Equipment Corporation|DEC]] ...el in the [[PDP-8 family|PDP-8 line]] from [[Digital Equipment Corporation|DEC]], and introduced the [[OMNIBUS]] for interfacing to [[device controller]]s
  4 KB (618 words) - 14:11, 14 July 2023
• User notes for RSTS/E 9.x system generation
  ...cause of all the scripts being rewritten in [[DCL]], and with that change, DEC has included more comprehensive and powerful install scripts. ...there are several methods of generating a RSTS/E system, depending on what hardware you have available.
  964 bytes (163 words) - 15:56, 3 May 2023
• VAX-11/730
  ...ge architecture, the [[Central Processing Unit|CPU]] was shrunk to three [[DEC card form factor|hex]] boards. The machine seems to have been most popular ==Hardware Details==
  5 KB (708 words) - 12:22, 29 March 2023
• MicroVAX II
  * [http://www.bitsavers.org/pdf/dec/vax/630/ VAX 630] - documentation at [[Bitsavers]] ** [http://www.bitsavers.org/pdf/dec/vax/630/AZ-GLCAA-MN__MicroVAX_II_630QB_Owners_Manual_Jul86.pdf MicroVAX II
  5 KB (708 words) - 23:09, 10 April 2024
• PDP-10
  ...ion of the earlier [[PDP-6]] [[instruction set architecture|ISA]], whose [[hardware]] engineering had been a failure. (The machines were so similar at the prog DEC sold 4 different generations of PDP-10 processors: the [[KA10]], the [[KI10
  11 KB (1,640 words) - 20:59, 8 March 2024
• PDP-8 architecture
  The [[PDP-8 family|PDP-8]] is a 12-bit [[architecture]] from [[DEC]]; the first commercially successful [[minicomputer]]. It was a [[load-stor ...words (32K words / 48 KB), which were controlled by optional additional [[hardware]].
  22 KB (3,497 words) - 19:34, 29 November 2022
• Bus
  [[Digital Equipment Corporation|DEC]] noted that having two buses seemed wasteful and expensive for small, mass ...h of the work on these systems concerns software design, as opposed to the hardware itself. In general, these third generation buses tend to look more like a [
  14 KB (2,170 words) - 05:09, 5 September 2019
• Linux
  Date: 19 Dec 91 23:35:45 GMT ISA+AT-disk is currently the hardware setup)
  28 KB (4,805 words) - 18:01, 29 February 2024
• VAX-11/785
  <div id="ref_1">[1] VAX Hardware Handbook Volume 1 - 1986. </div> * [http://www.bitsavers.org/pdf/dec/vax/785/ 785] - documentation on [[BitSavers]]
  2 KB (193 words) - 04:26, 13 January 2024
• FLIP CHIP
  ...to build computers, and [[peripheral]]s for them. They were a successor to DEC's earlier [[System Module]]s. They were introduced as a replacement largely ...(the so-called 'solder' side); the contact pads were 'numbered' from the [[DEC Alphabet]]. A FLIP CHIP plugged directly into a 144-pin connector block [[b
  10 KB (1,460 words) - 15:50, 6 March 2024
• PDP-8
  | manufacturer = [[Digital Equipment Corporation|DEC]] ...e first model of the [[PDP-8 family]], was [[Digital Equipment Corporation|DEC]]'s major breakthrough, and now considered the first really successful [[mi
  3 KB (365 words) - 18:28, 8 February 2024
• PDP-8/I
  ..., with a few dual-height. It was the first [[Digital Equipment Corporation|DEC]] computer to be built using ICs. * KE8/I [[Extended Arithmetic Element]], which supported [[hardware]] integer multiplication and division, one-[[bit]] double-word shifts, and
  3 KB (416 words) - 14:10, 14 July 2023
• 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 ==Hardware==
  3 KB (415 words) - 01:26, 2 January 2024
• SunOS
  |Dec 1988 |Dec 1991
  4 KB (484 words) - 08:09, 20 November 2023
• MicroVAX 3500/3600
  ...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 <div id="ref_3">[3] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46</div>
  3 KB (410 words) - 20:26, 10 March 2024
• Zork
  a somewhat paranoid DEC engineer who prefers to remain anonymous. ...2A, 1-Oct-94; contains all the rooms and puzzles of the original MIT Zork. DEC FORTRAN source code by Robert M. Supnik; see dungn32b.zip for a port to DOS
  21 KB (3,303 words) - 07:30, 6 September 2023
• UNIX First Edition
  ...P-11/20]]'s built; there was no [[disk]] [[mass storage]] available from [[DEC]] for the machine when it first arrived. ...and the researchers sharing a machine (dangerous, since the -11/20 had no hardware [[memory management]]) that a second -11/20 was purchased for the sole use
  6 KB (926 words) - 19:13, 29 February 2024
• ES 40 Emulator
  ...ently ES 40 can run [[OpenVMS]] for the Dec [[Alpha]]. Hopefully once the hardware is more fleshed out it will run the following:
  576 bytes (76 words) - 09:06, 20 May 2022
• History of Zork
  In the beginning, back in the 1960's, DEC (Digital Equipment Corporation) created the PDP-10, a medium-sized computer ...ed most of its features in designing Zork. The guy who did it was mostly a hardware person, so perhaps he didn't know what he was up against. At any rate, shor
  38 KB (6,681 words) - 16:32, 19 December 2018
• DEC indicator panel
  ...nal state of the machine, were provided by [[Digital Equipment Corporation|DEC]] for their earlier computers (such as the [[KA10]]), in common with the ot ...) This was a significant loss; in addition to helping with debugging (both hardware and software issues), they gave an extensive insight into how the machine w
  4 KB (612 words) - 20:33, 5 January 2024
• XENIX
  : ''XENIX was originally developed on a DEC Virtual Address Extension (VAX) running the Virtual Memory System (VMS) and ...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
• MS-DOS
  ...s such as Quad-Density and 3 and a half inches floppy disks. OEMs included DEC Rainbow, Tandy, AT&T, and Wang. ...and had to be augmented with modifications as/if needed for the particular hardware and with vendor-written versions of utilities found in PC-DOS. Documentatio
  8 KB (1,327 words) - 07:03, 22 May 2023
• Gordon Letwin OS/2 usenet post
  only OS standard they could use that to leverage their hardware and IBM, DEC, et. al.
  21 KB (3,783 words) - 03:41, 17 December 2018
• Installing ITS on SIMH
  ...[[RP06]] and the RP07. Although these disk types are very different at the hardware level, from the simulator's point of view they differ only in capacity and ...ITS IO and paging microcode, which differs significantly from the standard DEC microcode.
  15 KB (2,486 words) - 14:39, 20 December 2017
• Incompatible Timesharing System
  ...hich were modified with MIT-designed and built [[virtual memory|paging]] [[hardware]] (which that generation of PDP-10 [[Central Processing Unit|CPU]] did not ...ar if an intermediate version did); paging was added as soon as the custom hardware to support it was done. Pages from other processes could be mapped into a p
  12 KB (1,926 words) - 21:29, 8 February 2024
• Qemu-0.8.0-openstep-busmouse-2.diff
  --- qemu-0.8.0-distclean/Makefile.target Mon Dec 19 17:51:53 2005 # Hardware support
  10 KB (1,296 words) - 21:26, 16 December 2018
• Qemu
  *[[DEC Alpha]] (really incomplete) enable virtual hardware watchdog [default=none]
  15 KB (2,245 words) - 12:58, 27 February 2024
• Installing Ultrix 4.0 on SIMH
  qe0: DEC DELQA Ethernet Interface DEQNA-lock Mode, hardware address 08:00:2b:aa:bb:cc qe0: DEC DELQA Ethernet Interface DEQNA-lock Mode, hardware address 08:00:2b:aa:bb:cc
  13 KB (1,865 words) - 18:41, 3 July 2022
• Windows NT
  | architecture = Originally [[MIPS]], then [[i386]], [[DEC Alpha]], [[PowerPC]], [[Itanium]], [[x64]] ...ware on the i386, but running instructions inside a v86 virtual machine (A hardware feature of the 386 and higher CPUs).
  15 KB (2,465 words) - 20:47, 13 January 2024
• Windows NT 3.1 HCL
  Hardware Compatibility List Digital Equipment Corp. application DEC[R] 400xP
  144 KB (18,526 words) - 03:17, 17 December 2018
• Virtual PC
  == Emulated hardware == *dec 21140 nic
  2 KB (336 words) - 22:32, 21 October 2018
• VT100
  ...rial line interface|RS-232]] based dumb [[video terminal]] introduced by [[DEC]] in 1978. It featured [[cursor]] keys, and the ability to place text where ...minicomputer]]..). Xon/Xoff was the most common method for flow control on DEC/VT100 systems. To handle the speed problem some people would put the VT100
  4 KB (664 words) - 14:34, 11 August 2023
• Windows NT 3.5 HCL
  Hardware Compatibility List x86 Architecture Uniprocessor Computers Hardware Compatibility List.
  279 KB (34,581 words) - 03:21, 17 December 2018
• Setting Up Version 1.0 of UNIX/32V Operating System
  The distribution tape can be used only on a DEC VAX-11/780 with RP06 or RM03 disks and with TE16 tape drives. The t Since DEC does not provide a program on the console floppy which boots the VAX
  24 KB (3,883 words) - 10:33, 6 March 2023
• 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 ...ly reduced. The authors conclude that the VAX-11/780 provides an excellent hardware environment for running UNIX and C software.
  49 KB (7,745 words) - 14:29, 6 May 2023
• 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 (271 words) - 14:53, 23 May 2023
• 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, which mounts in the VAX-11/750 [[back * ''VAX Hardware Handbook (1980-81)'' (EB-17281-20) - the RH750 is covered in some detail in
  1 KB (166 words) - 01:03, 6 June 2022
• 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
• VAX-11/725
  <div id="ref_1">[1] VAX Hardware Handbook Volume 1 - 1986. </div> ...avers.org/pdf/dec/vax/handbook/VAX_Hardware_Handbook_Volume_1_1986.pdf VAX Hardware Handbook Volume 1] - the VAX-11/725 is described on pages 1-5&ndash;1-8 (pp
  2 KB (201 words) - 17:24, 29 August 2023
• 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

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