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  • ...laced these custom designed computers with [[Digital Equipment Corporation|DEC]] [[LSI-11]] minicomputers with custom [[peripheral]]s. Their headquarters
    2 KB (243 words) - 18:25, 13 January 2024
  • ...the [[UNIBUS]] general system [[bus]] from [[Digital Equipment Corporation|DEC]]. It was widely used in later [[PDP-11]]s and smaller [[VAX]]en. QBUS [[backplane]]s come mainly in two physical types, [[DEC card form factor|dual]] and quad. The QBUS itself is fully carried in a dua
    13 KB (2,043 words) - 23:27, 14 January 2024
  • ...gies used with [[PDP-11]]s manufactured by [[Digital Equipment Corporation|DEC]]; it was first seen in the [[PDP-11/20]], in 1970. Later, early [[VAX]] sy ...BUS cable]] instantiation, the UNIBUS was composed of 72 wires (2 standard DEC board edge connectors, with 36 lines per connector); when not counting the
    13 KB (2,162 words) - 23:26, 14 January 2024
  • '''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
  • First, there is an image of a [[DEC indicator panel]] (image [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/jpg/pane ...s produced in very small numbers - perhaps as prototypes, only internal to DEC. (If there had been problems discovered with glitches in the major state co
    14 KB (2,038 words) - 23:04, 13 September 2023
  • ...ounced on October 25<sup>th</sup>, 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
  • * [http://www.bitsavers.org/pdf/dec/vax/handbook/VAX_Hardware_Handbook_Volume_1_1986.pdf VAX Hardware Handbook [[Category: DEC VAX systems]]
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  • ...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 (1,063 words) - 14:49, 8 May 2024
  • ...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 ...ed in a [[BA11-Z mounting Box]], which holds a custom 12-slot backplane ([[DEC part number]] 70-18080-0-1 for the complete assembly).<!--, 54-13593/50-13
    5 KB (708 words) - 12:22, 29 March 2023
  • ...word]] [[mainframe]]-like systems built by [[Digital Equipment Corporation|DEC]]. They were basically a re-implementation of the earlier [[PDP-6]] [[instr DEC sold 4 different generations of PDP-10 processors: the [[KA10]], the [[KI10
    11 KB (1,640 words) - 20:59, 8 March 2024
  • ...or busbars. Almost always, there was one bus for memory, and another for peripherals, and these were accessed by separate instructions, with completely differen ...m to check again, resulting in lost data. Engineers thus arranged for the peripherals to interrupt the CPU. The interrupts had to be prioritized, because the CP
    14 KB (2,170 words) - 05:09, 5 September 2019
  • ...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
  • | architecture = Originally [[MIPS]], then [[i386]], [[DEC Alpha]], [[PowerPC]], [[Itanium]], [[x64]] ...oft Office 4.2 as the only known RISC port of Office was Office 97 for the Dec Alpha.
    15 KB (2,465 words) - 20:47, 13 January 2024
  • The following computers and peripherals have passed Microsoft[R] peripherals that are not yet supported by the Windows NT operating
    144 KB (18,526 words) - 03:17, 17 December 2018
  • The following computers and peripherals have been tested and have passed computers may be sold with peripherals that are not yet supported by
    279 KB (34,581 words) - 03:21, 17 December 2018
  • ...[[PDP-11 architecture]], used in both the [[KDJ11 CPUs]], and a variety of peripherals. It was implemented in two [[integrated circuit|chips]] ('Control' and 'Dat Most uses on DEC PDP-11 [[Central Processing Unit|CPU]] boards (all for the [[QBUS]]) contai
    2 KB (242 words) - 23:19, 29 February 2024
  • Physically, the KW11-P is an [[DEC card form factor|dual]]-height board ('''M4002'''). * [http://www.bitsavers.org/pdf/dec/qbus/EK-192AA-MG-001_Microsystems_Options_Oct88.pdf Microsystems Options] (
    1 KB (212 words) - 13:50, 11 April 2022
  • ...versions '''M7820''' and '''M7821''') is a [[Digital Equipment Corporation|DEC]] [[FLIP CHIP]] which implements the '[[interrupt]] control' function for t ...re was an un-lettered initial version, but that does not seem to have been DEC practise at the time), although examples of the C and D are not extant (it
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  • | manufacturer = [[Digital Equipment Corporation|DEC]] (vendor)<br>[[Control Data Corporation|CDC]] (contractor) ...nine-track, streaming, [[ANSI]]-standard [[magnetic tape drive]] sold by [[DEC]] for the [[PDP-11]] and [[VAX]] computers. Its recording density of 1600 b
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  • ...Original Equipment Manufacturer|OEM]]'d by [[Digital Equipment Corporation|DEC]] from several vendors; all were controlled by the [[CR11 Controller]]. The [[Category: DEC Peripherals]]
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  • 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
  • *[[DEC]] [[MicroVAX 3800/3900|MicroVAX 3800]] ; Host System : DEC MicroVAX 3800
    44 KB (6,192 words) - 09:30, 29 September 2023
  • Berkeley), based on experience with both systems on a DEC 10.3 DEC.......................................... 36
    113 KB (13,419 words) - 02:06, 17 December 2018
  • ...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 'Model B' for -PV; the two are described in a DEC document as:
    11 KB (1,737 words) - 13:06, 2 April 2024
  • ...ch plug into an [[Small Peripheral Controller|SPC]] slot. The first is a [[DEC card form factor|dual]] card, the M781, which is used with an [[M105 Addres * [http://www.bitsavers.org/pdf/dec/unibus/PC11_Reader-Punch_Manual.pdf PC11 high-speed reader/punch and contro
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  • ...us]] devised by [[Digital Equipment Corporation|DEC]], and used to connect DEC systems to high-speed [[disk]] [[drive]]s and [[magnetic tape|tape]] contro ...DP-10]] and [[PDP-11]]; later also the [[VAX]]en) to share a common set of peripherals.
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  • The '''LINC-8''' was a computer produced by [[Digital Equipment Corporation|DEC]] for use in laboratory settings; it included both a [[PDP-8]] (the origina ...ed of discrete [[transistor]] [[FLIP CHIP]]s, mostly R- and S-series, in [[DEC card form factor|standard-length single-height]] (width) format, with a few
    2 KB (328 words) - 13:46, 11 July 2023
  • The '''PDP-12''' was a computer produced by [[Digital Equipment Corporation|DEC]] for use in laboratory settings. It was a descendant of (and replacement f * [http://www.bitsavers.org/pdf/dec/pdp12/ pdp12] - PDP-12 at Bitsavers
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  • '''UniBone''' and '''QBone''' are [[Digital Equipment Corporation|DEC]]-compatible [[FLIP CHIP]] cards which can be [[simulator]]s for a variety ...essing Unit|CPUs]], [[main memory]], several [[disk]] subsystems and other peripherals in real time.
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  • * [http://www.bitsavers.org/pdf/dec/vax/35x0/ 35x0] - documentation at [[Bitsavers]] ** [http://www.bitsavers.org/pdf/dec/vax/35x0/VAXstation3520and3540.html VAXstation 3520 and 3540]
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  • ...f the earlier [[PDP-6]] architecture) from [[Digital Equipment Corporation|DEC]]. It was intended as a small, low-cost entry model, not as a replacement f ...in cabinet. These included a second RH11-C in DEC-supported systems, since DEC required a tape drive for loading [[diagnostic]]s; the usual choice was a [
    8 KB (1,237 words) - 19:48, 14 July 2023
  • The '''PDP-15''' was [[Digital Equipment Corporation|DEC]]'s last 18-bit computer, and the only one implemented using [[integrated c ...te [[PDP-11]] (usually a [[PDP-11/05]]), through which other PDP-11-native peripherals could be supported, including [[Direct Memory Access|DMA]] directly into th
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  • ...igital Equipment Corporation|DEC]]'s fourth 18-bit computer, and the first DEC [[Central Processing Unit|CPU]] to use [[microcode]]. A little over 400 wer ...of [[main memory]], and the PDP-9/L was a cost-reduced system with cheaper peripherals and 4KW of memory.
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  • == Peripherals == ...'''Foonly C1''' was a disk [[channel]] for [[Digital Equipment Corporation|DEC]] computers, compatible with [[International Business Machines|IBM]] drives
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  • ...s included a [[paper tape]] reader and punch, and a [[terminal]]. Optional peripherals included [[graphics]] [[display]]s, a [[light pen]], [[line printer]], [[pu They were built out of DEC's [[System Module|System Building Blocks]]
    4 KB (536 words) - 23:18, 27 February 2024
  • ...t 12-bit computer, the predecessor to the [[PDP-8]]; in some sense, it was DEC's first [[minicomputer]] (although the -5 pre-dated the creation of that te ...adial links from the CPU to individual [[peripheral]]s used in all earlier DEC machines, such as the 18-bit machines like the [[PDP-1]].
    2 KB (360 words) - 20:03, 7 February 2024
  • ...what larger than what its main competitor, [[Digital Equipment Corporation|DEC]], was using at the time, giving it a manufacturing cost advantage.
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  • Physically, the original KW11-L is an [[DEC card form factor|extended-length]] single-height board ('''M787'''), which * [http://www.bitsavers.org/pdf/dec/pdp11/1140/EK-KW11L_TM-002_KW11-L_Line_Time_Clock_Manual_Jul74.pdf KW11-L l
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  • ...'PC05 Paper-Tape Reader/Punches''' are the [[Digital Equipment Corporation|DEC]]-supplied [[paper tape]] [[peripheral]]s for the [[PDP-8 family|PDP-8]] an ...Model 500, modified by DEC), and a photo-electric reader (manufactured by DEC), which are completely separate, but housed in the same frame, and share a
    10 KB (1,588 words) - 08:14, 28 February 2023
  • The '''OMNIBUS''' was [[Digital Equipment Corporation|DEC]]'s [[peripheral]] [[bus]] for the later [[PDP-8 family|PDP-8]]'s; it was i *[[:Category: OMNIBUS Peripherals‎|OMNIBUS Peripherals]]
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  • The '''M105 Address Selector''' is a [[Digital Equipment Corporation|DEC]] [[FLIP CHIP]] which implements the '[[address]] selection' function (i.e. ....bitsavers.org/pdf/dec/pdp11/handbooks/PDP11_PeripheralsHbk_1972.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M105 is covered on pp. 213-2
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  • The original version was the M829, a [[DEC card form factor|dual]] format card, which was mounted in an [[Small Periph ...f/dec/unibus/DEC-11-HCRA-D_CR11_Oct71.pdf CR11 card reader system manual] (DEC-11-HCRA-D)
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  • ...unit]] [[backplane]], holding a number of smaller [[FLIP CHIP]]s; mostly [[DEC card form factor|singles]] (see table below), with one dual (M7213). ...he [[wire-wrap]] pin side, as is common in [[Digital Equipment Corporation|DEC]] documentation) are:
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  • ...an ''error'' [[signal]] is transferred over the [[bus]]. From the ''pdp11 peripherals handbook'', 1975 edition (pg. 5-8): "PA and PB are generated by a slave ... ...e version of the UNIBUS for use on some of [[Digital Equipment Corporation|DEC]]'s 18- and 36-bit machines, to allow use of existing [[secondary storage]]
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  • ...'KM11-A Maintenance Cards''' in some later [[Digital Equipment Corporation|DEC]] manuals) is a device used to perform maintenance activities on early [[PD As produced by DEC, a KM11 consists of a W131 Maintenance Indicator Module plugged into a W130
    3 KB (421 words) - 18:49, 27 February 2023
  • Each RH20 consists of a set of three [[DEC card form factor|hex]] [[printed circuit board|board]]s (M8555, M8556, * [http://bitsavers.org/pdf/dec/pdp10/KL10/EK-RH20-UD-001_RH20_Unit_Description_Aug76.pdf RH20 Unit Descrip
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  • ...multiple cards; a [[flat cable]] connected this to separate rack-mounted [[DEC card form factor|dual-height]] [[DM11 distribution panel]] backplane (which The DM11-AA boards (all [[DEC card form factor|quad]], except for the Control C, which is a dual) which p
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  • ...s; [[flat cable]]s connected this to a separate 5-1/4" high rack-mounted [[DEC card form factor|dual-height]] [[distribution panel]]. ...e modem control signals, which ran from the M7247 card (two per card) to [[DEC card form factor|single-width]] M971 cards which plugged into the backplane
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  • ...n memory]], used on a number of [[List of Programmed Data Processors|early DEC computers]]. [[Category: DEC Buses]]
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  • ...collection of [[diagnostic]]s produced by [[Digital Equipment Corporation|DEC]] for the [[PDP-11]], and, more usually, the minimalist system later provid * [http://www.dmv.net/dec/pdf/xxdpum.pdf XXDP User's Manual] (AA-FK83A-TC)
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  • | manufacturer = [[Digital Equipment Corporation|DEC]] ...P-4''' was a small computer produced by [[Digital Equipment Corporation]]; DEC's second production computer, and another 18-bit machine, like its predeces
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  • ...ce the load on the main CPU, but also to allow access to the wide range of peripherals supported on the PDP-11); or it can also function as a control and [[diagno A 'restricted' DTE20 consists of a pair of [[DEC card form factor|hex]] boards (M8552, M8553) and a dual card (M8554), plugg
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  • It consists of a number of [[DEC card form factor|hex]] boards (two M8550s and an M8551) plugged into an I/O * [http://www.bitsavers.org/pdf/dec/pdp10/KL10/EK-DIA20-TM-002_Jul76.pdf DIA20 IBus Adapter Unit Description]
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  • ** [http://bitsavers.org/bits/DEC/pdp1/papertapeImages/ DEC PDP1 paper tape images] [[Category: DEC Systems]]
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  • Physically, the KW11-W was a [[DEC card form factor|dual]] card, the M7823, along with two standard single car * [http://www.bitsavers.org/pdf/dec/unibus/KW11-W_schem_Jul74.pdf KW11-W engineering drawings]
    2 KB (266 words) - 23:07, 5 November 2022
  • ...nd a [[KW11-L Line Time Clock|KW11-L]] ([[line time clock]]) in a single [[DEC card form factor|quad]] format card ('''M7856'''). ...[Berg connector]] header on the top edge of the card, using the standard [[DEC asynchronous serial line pinout]]. It provided both [[20mA current loop ser
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  • ...M7229 buffer module is installed in each DR11-B's user connection slot, [[DEC edge connector contact identification|CD0]]. * [http://www.bitsavers.org/pdf/dec/unibus/2M-0C75A-00_DA11B.pdf DA11-B PDP-11 Interprocessor Link]
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  • Physically, the KW11-P is an [[DEC card form factor|quad]]-height board ('''M7228'''), which plugs into a [[Sm ...DEC-11-HPWB-D_KW11P_Oct72.pdf KW11-P programmable real-time clock manual] (DEC-11-HPWB-D)
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  • * [http://www.bitsavers.org/pdf/dec/vax/handbook/VAX_Hardware_Handbook_Volume_1_1986.pdf VAX Hardware Handbook * [http://bitsavers.org/pdf/dec/vax/750/MP01647_CI750_198307.pdf CI750 Field Maintenance Print Set] (MP0164
    1 KB (225 words) - 09:31, 27 February 2023
  • ...erals and I/O adapters. One of the latter was produced for the [[UNIBUS]]; peripherals included [[Ethernet]] and [[Computer Interconnect|CI]] interfaces. ...erconnect|CMI]], which was [[tri-state]]). [[Digital Equipment Corporation|DEC]] produced a custom [[integrated circuit|IC]] to interface to the VAXBI, im
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  • * [http://bitsavers.org/pdf/dec/pdp10/KL10/EK-NIA20-RM_Jan85.pdf NIA20 Technical Reference Manual] (EK-NIA2 * [http://www.bitsavers.org/pdf/dec/pdp10/KL10/EK-OKL10-MG-004_KL10_Maintenance_Guide_Update_Jun86.pdf KL10 Mai
    884 bytes (124 words) - 05:19, 11 November 2023
  • * [http://www.bitsavers.org/pdf/dec/pdp10/KL10/EK-OKL10-MG-004_KL10_Maintenance_Guide_Update_Jun86.pdf KL10 Mai * [http://bitsavers.org/pdf/dec/pdp10/KL10/MP01903_CI20_Engineering_Drawings_Jan85.pdf CI20 Field Maintenan
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  • ...is a [[DEC card form factor|dual]] format card, intended for use in the [[DEC edge connector contact identification|two top (AB) sections]] of a [[Modifi ....bitsavers.org/pdf/dec/pdp11/handbooks/PDP11_PeripheralsHbk_1972.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M930 is covered in Section 2
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  • ...y expanded to other manufacturers, such as [[Digital Equipment Corporation|DEC]].
    852 bytes (127 words) - 16:30, 17 August 2022
  • ...ed in a 19" cabinet such as an [[H960 rack|H950]], along with the DS11's [[DEC indicator panel]]. The DS11, like some other early UNIBUS peripherals, was made of many small [[FLIP CHIP]]s. The inventory of the card types in
    7 KB (953 words) - 18:38, 5 January 2024
  • For [[Direct Memory Access|DMA]], [[mass storage]] peripherals connected directly to memories (PDP-10 memories are generally [[multi-port ...d circuit board|PCBs]] at each end, which plugged into slots in a standard DEC [[backplane]]; these later became the CJ connectors.
    3 KB (409 words) - 13:38, 12 November 2023
  • ...d circuit board|PCBs]] at each end, which plugged into slots in a standard DEC [[backplane]]; these later became the CJ connectors. * [http://www.bitsavers.org/pdf/dec/pdp10/KL10/EK-108OU-PD-002_KL10-Based_Physical_Description_Mar77.pdf EK-108
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  • ...hers are all single. (Of those, the M783, M784, M796, M7821 and M957 are [[DEC card form factor|extended length]]; most of the others are all standard len ...n side of the backplane, not the [[wire-wrap]] pin side, as is common in [[DEC]] documentation) are:
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  • ...D_MX15_Aug71.pdf MX15 Memory Bus Multiplexer Maintenance Manual Volume 1] (DEC-15-H2XB-D) ...emory Bus Multiplexer Maintenance Manual Volume 2 - Engineering Drawings] (DEC-15-H2XB-D)
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  • '''QBUS peripherals''' were used in both [[PDP-11]] and [[VAX]] systems; the [[QBUS]] was the p ...lable from [[Digital Equipment Corporation|DEC]], and as was canonical for DEC machines, from other organizations.
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  • [[Category: VAX Peripherals]] [[Category: DEC Network Interfaces]]
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  • [[Category: VAX Peripherals]] [[Category: DEC Network Interfaces]]
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  • VMS Development also faced technical problems caused by the type of peripherals available at the introduction of MICROVAX I. The system disk was too small ...CROVMS manuals used these logical names when describing how to use various peripherals for backups, layered product installations, etc.
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  • ...AX]]-based [[workstation]] manufactured by [[Digital Equipment Corporation|DEC]]. The very first product with this name, the [[VAXstation 100]], was not V * [[:Category: VAXstation Peripherals|VAXstation Peripherals]]
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  • ...al]]s which can be produced from the same [[printed circuit board|PCB]] ([[DEC part number]] 50-11903B), depending on exactly which components are inserte * [http://www.bitsavers.org/pdf/dec/qbus/Digital_Microcomputer_Interfaces_Handbook_1980.pdf microcomputer inter
    2 KB (258 words) - 13:51, 12 July 2023
  • ...al]]s which can be produced from the same [[printed circuit board|PCB]] ([[DEC part number]] 50-11903B), depending on exactly which components are inserte * [http://www.bitsavers.org/pdf/dec/qbus/Digital_Microcomputer_Interfaces_Handbook_1980.pdf microcomputer inter
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  • ...early, one-of-a-kind computer built out of [[Digital Equipment Corporation|DEC]] [[System Module]]s by Scientific Engineering Institute (which later becam ...Bell-ComputerEngineering.pdf Gordon Bell's book ''Computer Engineering - A DEC View of Hardware Systems Design'']:
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  • VS40X-PA 8-plane GPX [[graphics]] option module, used in [[DEC]] [[VAXstation 2000]] and [[VAXstation 3100]] computers. [[Category: VAXstation Peripherals]]
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  • * [https://www.computerhistory.org/collections/catalog/102626588 DEC Head Disk Assembly (HDA)] * [https://www.computerhistory.org/revolution/memory-storage/8/259/1066 DEC Head Disk Assembly (HDA)]
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  • ...]] storage system manufactured and sold by [[Digital Equipment Corporation|DEC]] in the 1990s. A lot of third-party storage devices work in DEC SBBs and together with DEC computer systems; example: [[IBM]] [[DPES-31080]] 1080 MB SCSI-2 disk drive
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  • The KG11 is a single [[DEC card form factor|quad]] card. ...lock%20Check%20Manual.pdf KG11-A exclusive-OR and CRC block check manual] (DEC-II-HKGAA-B-D)
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  • ...use of [[Original Equipment Manufacturer|OEM]]-produced [[peripheral]]s on DEC machines. ...ignated a 'TU70 Magnetic Tape Subsystem' (or TU71 or TU72 as appropriate). DEC software referred to a DX20 in such an assembly as a 'DX20A'.
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  • ...started with [[magnetic tape drive]]s; the [[Digital Equipment Corporation|DEC]] [[TU70 Magnetic Tape Drive|TU70]], [[TU71 Magnetic Tape Drive|TU71]], and
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  • ...theory it could have been used to attach a [[Digital Equipment Corporation|DEC]] machine to a [[IBM System/370]] (appearing as a device to the /370). --> These are held mostly on seven [[DEC card form factor|hex]] boards, and two [[DEC card form factor|quad]] boards:
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  • * [[Digital Equipment Corporation|DEC]] * [[Pertec Peripherals Corporation|Pertec]]
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  • The '''M-bus''' from [[Digital Equipment Corporation|DEC]] was a unique [[synchronous]] [[bus]] used in some [[VAXstation]]s. It sup * [http://www.bitsavers.org/pdf/dec/vax/35x0/firefox_MBusSpec_198712.pdf Firefox Workstation M-Bus Specificatio
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  • A '''cabinet''', in older [[Digital Equipment Corporation|DEC]] computers, is a metal enclosure (usually in the form of a standard-sized
    473 bytes (66 words) - 16:59, 13 February 2024
  • ...ure''' is a [[QBUS]] [[mounting box]] from [[Digital Equipment Corporation|DEC]] which is available a caster-mounted single-[[cabinet]] form. It is the 'b It contains a single, 13-slot, [[DEC card form factor|quad]]-height [[backplane]]; the first 4 slots are [[QBUS#
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  • | are not applicable to such as peripherals and I/O units... | Revision levels are tracked according to DEC Standard 068....
    198 KB (5,881 words) - 23:03, 28 March 2024
  • ...series of cabinets and accessories''' from [[Digital Equipment Corporation|DEC]] is a flexible modular system for housing computers and [[peripheral]]s; t Benefits for collectors of DEC hardware:
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