Search results

From Computer History Wiki
Jump to: navigation, search

Create the page "On-line system" on this wiki! See also the search results found.

  • RX33 Flexible Disk Drive
    [[image:decmateIII.jpg|thumb|right|300px|[[DECmate III]] with RX33 in the system box underneath the monitor - the expansion box to the right contains an RX5 ''The RX33 drive can provide system mass storage, backup capability, and serve as a data interchange device. It
    4 KB (607 words) - 15:51, 15 September 2023
  • TU10 DECmagtape
    % = Only at end of device bus, M903 cable otherwise; with a single drive system, may be in either slot<br> .../tu10/DEC-00-TU10M-D_TU10_Master.pdf DEC-00-TU10M-D TU10 DECmagtape Master System Manual] - covers the master functional unit in drives configured with it
    9 KB (1,330 words) - 01:11, 10 February 2024
  • TU58 DECtape II
    * [[VT103]] (as system & data device) * [[PDP-11/03]] (as system & data device)
    3 KB (373 words) - 03:13, 23 August 2022
  • DECtape II
    ...low-performance [[random access]] [[magnetic tape]] [[secondary storage]] system, proprietary to [[Digital Equipment Corporation|DEC]]. They were effectivel
    1 KB (166 words) - 16:04, 30 May 2022
  • TU81 Streaming Tape Unit
    | interface = [[Low End System Interconnect]]
    3 KB (409 words) - 20:32, 23 April 2024
  • Uuencoded
    * Encode a file so it can be mailed to a remote system.
    4 KB (650 words) - 01:34, 17 December 2018
  • TPA-11/580
    ...procedures. Its operating system is the VAX/VMS virtual memory management system that can use up to 4 GBs of memory and can work with intrinsically infinite :* ''3 2-bit, high-speed, asynchronous system bus:
    4 KB (587 words) - 00:38, 2 January 2024
  • Installing NetBSD 5.1 on the SIMH MicroVAX II
    Welcome to sysinst, the NetBSD-5.1 system installation tool. This upgrade an existing NetBSD system, with a minimum of work.
    3 KB (379 words) - 16:13, 13 March 2013
  • Stacker
    ...e. The big limitation of stacker is that it only dealt with the [[FAT file system]], and the largest compressed volume thusly could be 2GB. Stacker was big ...s limited to FAT disks, and the installation required the OS/2 [[operating system]] be on a FAT disk.
    1 KB (168 words) - 15:18, 7 March 2021
  • S390x-softmmu
    '''S390x-softmmu''' is a mode in [[Qemu]] to emulate an [[IBM System/390]].
    403 bytes (62 words) - 23:00, 18 December 2018
  • 4.1 BSD
    | caption = Logging into a 4.1 BSD system ...T the name was changed; AT&T feared confusion with [[Unix SYSV|AT&T's UNIX System V]].
    4 KB (538 words) - 18:23, 17 June 2018
  • SIXBIT
    '''SIXBIT''' is a predecessor encoding system to [[ASCII]]; it too supported encoding various glyphs (written forms such
    1 KB (174 words) - 23:15, 24 April 2024
  • OS/360
    ...created by [[International Business Machines|IBM]] for the then-new [[IBM System/360]] line. It is perhaps best known now for being the project that prompte * BOS/360 (Basic Operating System)
    2 KB (252 words) - 14:59, 9 September 2022
  • UNIX V6 memory layout
    ...agement]] of the host [[PDP-11]] system, is fairly simple. The [[operating system]]'s [[kernel]] (both [[instruction]]s and data) permanently occupies low ph The details of how the kernel of UNIX V6 uses the main memory of the system is fundamentally different between the two types of PDP-11 Memory Managemen
    7 KB (1,161 words) - 15:20, 8 July 2023
  • Upgrading UNIX Sixth Edition
    ...stributed with [[binary]] (both [[user]] [[command]]s, and the [[operating system]]) for a [[PDP-11/40]]. Since the layout of addresses in the system is somewhat peculiar, and
    6 KB (1,002 words) - 13:02, 4 March 2023
  • KD11-E/EA microcode
    | 003 || 17-LL || 000 || Initialize system for 150msec
    31 KB (3,760 words) - 05:02, 5 November 2022
  • Installing 4.0 BSD on SIMH
    file system: hp(0,0) WARNING: preposterous time in file system -- CHECK AND RESET THE DATE!
    5 KB (848 words) - 07:12, 2 February 2016
  • Setting up (BSD 4.0) the Fourth Berkeley Software Tape
    inherently rather system-specific, and will not be discussed The tape contains binary images of the system and all
    57 KB (8,582 words) - 03:00, 17 January 2023
  • Bug fixes and changes in 4.1bsd
    in the Berkeley system for the VAX between the + Performance of the system under heavy paging load has
    39 KB (5,307 words) - 05:01, 11 December 2018
  • Xv6 homework 6
    Chapter 5 of IA-32 Intel Architecture Software Developer's Manual, Volume 3: System programming guide; you can skip sections 5.7.1, 5.8.2, and 5.12.2. Be aware ...v6, set a breakpoint at the beginning of syscall() to catch the very first system call. What values are on the stack at this point? Turn in the output of pri
    1 KB (207 words) - 15:57, 30 December 2018
  • INTEL 80386 PROGRAMMER'S REFERENCE MANUAL
    After a customer purchases any system hardware or software product, aspects of system design and implementation. In just three to ten days a
    890 KB (107,817 words) - 03:20, 3 January 2024
  • Compiling KLH10
    ...perating system]], but there was an annoying bug: the reported time of the system looped endlessly over three hours, and did not seem to keep proper time. Wa ...n's tutorial [http://victor.se/bjorn/its/ 'Some notes on setting up an ITS system']
    7 KB (1,201 words) - 06:26, 16 December 2018
  • Installing RT-11 5.3 on SIMH
    install your RT-11 system, then store it in a safe place. back up your distribution disk and build a working system disk which
    8 KB (1,219 words) - 00:21, 11 June 2012
  • IBM OS2 1.0 announcement
    "IBM Operating System/2 Standard Edition","IBM Announce",04-2-1987 The IBM Operating System/2(TM) Standard Edition
    50 KB (7,113 words) - 03:35, 17 December 2018
  • Inside OS/2
    1. MS OS/2 (Computer operating system) I. Title. Chapter 8. File System Name Space
    627 KB (92,395 words) - 03:42, 17 December 2018
  • 386 DOS-Extender
    ...uld create a 32-bit [[program]] that would run on an unmodified [[MS-DOS]] system equipped with a [[Intel 80386|386]] [[CPU]]. It was significantly easier to
    2 KB (242 words) - 00:23, 20 June 2023
  • NORD-1
    | operating system = [[SINTRAN|SINTRAN I]] or [[NORD-TSS|Nord TSS]] In 1969 a NORD-1 was used in the world's first radar-based anti-collision system on the Wilh. Wilhelmsen ship M/S [http://www.faktaomfartyg.se/taimyr_1968.h
    1 KB (177 words) - 00:33, 3 May 2022
  • Installing 2.9 BSD on SIMH
    A dump of the root file system file system: rl(0,0)
    6 KB (835 words) - 13:57, 29 May 2020
  • Installing NetBSD 6.1.5 Sparc64 on Qemu
    qemu-system-sparc64.exe -cdrom NetBSD-6.1.5-sparc64.iso -net nic,model=ne2k_pci -net us ...disk intensive. It's best to wait for it to complete, then try to use the system. Lost interrupts appear as: "cmdide0:0:0: lost interrupt".
    2 KB (292 words) - 06:13, 15 January 2015
  • Installing NetBSD 6.1.5 Sparc on Qemu
    qemu-system-sparc.exe -cdrom NetBSD-6.1.5-sparc.iso -net nic -net user -hda netbsd-615-
    1 KB (200 words) - 06:12, 15 January 2015
  • Installing Ultrix 4.5 on SIMH
    ; Host System : DEC MicroVAX 3800 ; Operating System : DEC Ultrix v4.5
    44 KB (6,192 words) - 09:30, 29 September 2023
  • Netbooting a VAXstation
    ...h is probably not required if you try to netboot an original DEC operating system like VMS or ULTRIX ...ers lower-case except the .SYS at the end, which must be upper case. On my system it looks like this:
    12 KB (1,853 words) - 20:06, 10 December 2015
  • LSI-11
    ....bitsavers.org/pdf/dec/pdp11/1103/Titelbaum_LSI-11_1975.pdf The LSI-11 - A System Microcomputer]
    3 KB (411 words) - 22:06, 20 December 2023
  • Installing 4.1 BSD on SIMH
    file system: hp(0,0) WARNING: preposterous time in file system -- CHECK AND RESET THE DATE!
    7 KB (1,100 words) - 07:32, 2 February 2016
  • 4.2BSD driver for DEC Deuna Ethernet board
    X * record. System will initialize the interface when it is ready X#define FC_RDSYSID 0x12 /* Read system ID parameters */
    35 KB (6,389 words) - 02:51, 16 January 2024
  • Installing 4.1c BSD on SIMH
    miniroot: Unix Fast File system (little-endian), last mounted on /mnt, fsck depends on them to recover this file system.
    13 KB (2,077 words) - 16:30, 7 August 2017
  • UNIX* System V and 4.1C BSD
    UNIX* System V and 4.1C BSD This paper compares System V (the UNIX system which
    113 KB (13,419 words) - 02:06, 17 December 2018
  • Clearpoint Q-RAM 11
    There does not seem to be any component location identification system on the card, so one has been created for use here. Looking at the card from
    2 KB (352 words) - 02:52, 14 December 2020
  • Camintonn CMV-504
    "''SMS 1000 Microcomputer System Models 40, 41 and 50 OEM Manual''", February 1987, Scientific Micro Systems
    4 KB (736 words) - 02:48, 14 December 2020
  • MM11-L core memory
    ...C/DEC-11-HMELA-B-D_ME11-L_Core_Memory_System_Manual.pdf ME11-L core memory system manual] (DEC-11-HMELA-B-D) ...ls/dec-me-11-l-core-memory-system-engineering-drawings/ ME11-L core memory system engineering drawings]
    5 KB (841 words) - 07:14, 25 March 2022
  • MM11-U core memory
    ...popular, and fairly common, 32 Kbyte [[core memory|core]] [[main memory]] system for the early [[PDP-11]] [[UNIBUS]] machines. An MM11-U was composed of a f ...board set of the MM11-U (less the M8293) is also used in the [[MJ11 memory system]], and (with the 19-bit wide H217-B variant of the core stack) in the [[MG1
    6 KB (1,023 words) - 04:53, 22 October 2021
  • DEC alphabet
    It stops at 'V' because [[FLIP CHIP]]s, and later boards in that system, only had 18 contact pads on the edge fingers. With the later [[Berg connec
    720 bytes (132 words) - 15:42, 8 August 2023
  • M9301 ROM
    If S1-2 is 'off', the system will power-up normally; if 'on', the CPU will obtain its new PC/PS pair fro
    9 KB (1,304 words) - 19:41, 7 December 2021
  • KL10
    | operating system = [[TOPS-10]], [[TOPS-20]], [[Incompatible Timesharing System|ITS]], [[WAITS]], [[TENEX]], [[TYMCOM-X]] | price = US$250K (CPU), US$600K-1.2M (system)
    11 KB (1,737 words) - 13:06, 2 April 2024
  • KA10
    | caption = KA10-based PDP-10 system | physical address = 18 bits (normal), 19/20 ([[Incompatible Timesharing System|ITS]] paging box), ?? ([[TENEX]] paging box)
    2 KB (298 words) - 07:28, 6 September 2023
  • KI10
    | operating system = [[TOPS-10]], [[TENEX]], [[TYMCOM-X]] | price = US$200K (CPU), US$500K-1M (system)
    3 KB (382 words) - 13:23, 5 November 2023
  • BM873 ROM
    ...can be removed to disable the 'default address' feature. This is that on a system configured to fetch the new PS/PC from ROM on power-on - a capability which
    5 KB (756 words) - 01:02, 20 November 2021
  • SS-50 bus
    ...the original. It was designed for the [[STWPC S/09]], a paged-memory 6809 system. ...essing a reset button, the one-shot pulses the Reset line which resets the system
    6 KB (1,084 words) - 16:55, 16 February 2024
  • KDJ11-B CPU
    .../1173/EK-247AA-MG-001_KDJ11-B_CPU_System_Maintenance_Nov88.pdf KDJ11-B CPU System Maintenance] (EK-247AA-MG-001)
    2 KB (391 words) - 16:40, 6 February 2024
  • KDJ11-E CPU
    * ''KDJ11-E CPU System Maintenance Manual'' (EK-403AA-MM-001) - not available online
    2 KB (254 words) - 16:41, 6 February 2024
  • KTJ11-B UNIBUS adapter
    ...//www.bitsavers.org/pdf/dec/pdp11/1184/EK-1184E-TM-001_Dec87.pdf PDP-11/84 System Technical and Reference Manual] (EK-1184E-TM-001) - the KTJ11-B is covered
    6 KB (1,060 words) - 16:35, 6 February 2024
  • Private Memory Interconnect
    ...ies can co-exist on the same physical bus; for example, in a [[PDP-11/83]] system, the CPU will use PMI to talk to the main memory, but DMA devices on the QB
    4 KB (731 words) - 17:11, 6 February 2024
  • EIA RS-232 serial line interface
    ...‎]] at the electrical level, with an [[Non Return to Zero|NRZ]] encoding system; the closely related descendant [[EIA RS-422 serial line interface]] uses [
    6 KB (894 words) - 14:53, 23 May 2022
  • KT11-B Paging Option
    It also allows the system to use up to 248 Kbytes of memory (the maximum allowed by the [[UNIBUS]]), ...atures prevent any user from interfering with the overall operation of the system. It does this by providing two modes for the CPU, 'User' and 'Exec', with c
    15 KB (2,571 words) - 22:23, 11 October 2022
  • PDP-11 Memory Management
    ...space''' capability; this increases the memory available to the operating system, and each user, to 128 Kbytes. Since immediate operands and absolute addres
    9 KB (1,311 words) - 18:10, 2 July 2023
  • UNIBUS map
    ...of DMA devices on the UNIBUS during the [[bootstrap]] process, and initial system startup.
    2 KB (310 words) - 04:15, 7 January 2021
  • Virtual memory
    ...age]], usually [[disk]]), the computation is stopped while the [[operating system]] arranges to have the missing memory contents made resident; once they are ...al memory, and missing items are automatically brought in by the operating system when they are needed. To do this, the user's memory has to be divided into
    5 KB (876 words) - 20:01, 22 January 2024
  • KA11 CPU
    .... They all plugged into a custom [[backplane]], formed from three 4-slot [[system unit]]s wired together into one monolithic unit. As previously mentioned, the CPU consisted of two and a half quad system unit backplanes (the two otherwise-unused slots were [[Small Peripheral Con
    9 KB (1,356 words) - 23:10, 29 February 2024
  • KT11-B Technical Manual
    ...refer to the UNIBUS '''from''' the KT11-B to the devices and memory of the system.
    31 KB (4,983 words) - 18:22, 2 July 2023
  • TM11 magtape controller
    ...ntrol‎‎|M7821]]); all of which plug into a custom hex-high four-slot [[system unit]] [[backplane]] (for a [[BA11 mounting boxes|BA11]], etc box), [[DEC p ...p://www.bitsavers.org/pdf/dec/magtape/tm11/TM11_Manual.pdf TM11 DECmagtape system] (DEC-I1-HTMAA-D-D)
    10 KB (1,388 words) - 02:36, 10 February 2024
  • KDF11-U CPU
    ...tected in memory]] - to which the response is apparently to power-fail the system! .../1124/EK-11024-TM-001_PDP11_24_System_Technical_Manual_Jun81.pdf PDP-11/24 System Technical Manual] (EK-11024-TM-001) - the KDF11-U is covered in Chapters 3-
    6 KB (1,087 words) - 16:16, 6 February 2024
  • TU16 Tape Transport
    ...pe_Drive_System_Maintenance_Manual.pdf EK-TU16-MM-002 TU16/TM02 tape drive system maintenance manual]
    3 KB (466 words) - 22:56, 8 February 2024
  • TeleVideo TPC-1
    ...le-sided double-density [[floppy drive]]s. It ran the [[CP/M]] [[operating system]].
    2 KB (426 words) - 19:39, 13 January 2024
  • Installing UNIX Sixth Edition
    ...h contained a number of small stand-alone programs, followed by the [[file system]]s, but the similarity is purely superficial; the details of the process ar ...ed from block 0, or block 1, depending on the tape drive/controller on the system). That is then used to load an intermediate stage, a tape to disk copier (n
    6 KB (1,004 words) - 05:35, 27 March 2024
  • Installing Unix Seventh Edition
    ...h contained a number of small stand-alone programs, followed by the [[file system]]s, but the similarity is purely superficial; the details of the process ar ...ed from block 0, or block 1, depending on the tape drive/controller on the system). That is used to load a stand-alone second-stage bootstrap program, which
    5 KB (802 words) - 18:20, 29 October 2020
  • Installing UNIX Sixth Edition on Ersatz-11
    ...ply wants to be able to say one has done it, or whether one wants a usable system.
    2 KB (280 words) - 03:45, 3 March 2019
  • Running an LSI-11 from UNIX V6
    ...rface is currently in the serial line driver (dl.c), and not in the stty() system call code (since moving it there would mean adding entries in cdevsw[], and
    3 KB (471 words) - 18:25, 2 July 2023
  • Ersatz-11
    *[http://www.dbit.com/ Ersatz-11 PDP-11 Emulation System]
    868 bytes (126 words) - 18:13, 9 January 2024
  • RX01/02 floppy drive
    [[Image:rx01.jpg|250px|thumb|left|An RX01 floppy drive system]] [[Image:rx02.jpg|thumb|right|An RX02 floppy drive system]]
    8 KB (1,195 words) - 20:09, 15 August 2023
  • MASSBUS
    ...to things connected to the MASSBUS (other than the controller in the host system). A single MASSBUS can contain up to 8 devices. The [[PDP-15]] could also connect to MASSBUS devices via the [[UNICHANNEL 15 System|UC15 Unichannel]], but this used a [[PDP-11/05]] acting as a slave to the P
    5 KB (729 words) - 21:36, 2 December 2023
  • DECtape
    '''DECtape''' was a low-cost, low-capacity tape [[magnetic storage]] system intended for storage of small data entities (e.g. programs).
    5 KB (736 words) - 14:21, 30 May 2022
  • Core memory
    ...mplex, but it avoided the considerable engineering associated with the oil system, which acceptable perhaps in a [[mainframe]], but infeasible for a [[minico ...rson W. Pugh, ''Memories That Shaped an Industry: Decisions Leading to IBM System/360'', MIT Press, Cambridge, 1984
    8 KB (1,299 words) - 02:33, 4 March 2024
  • 2.10BSD
    * Conversion of the entire system to a 4.3BSD structure, including ** 4.3BSD system calls
    2 KB (277 words) - 18:46, 27 October 2022
  • Over the back
    In a few cases (e.g. [[MM8-E Memory System]] [[main memory]]), instead of headers, the back edge of the boards ''also'
    738 bytes (119 words) - 23:15, 7 November 2021
  • MJ11 memory system
    The '''MJ11 memory system''' was a [[core memory|core]] [[main memory]] system for the [[PDP-11/70]]. It was 32 bits wide, to interface to the -11/70's Ma * [[MK11 memory system]]
    5 KB (865 words) - 03:22, 6 February 2024
  • MK11 memory system
    The '''MK11 memory system''' was a [[Dynamic RAM|DRAM]] [[main memory]] system for the [[PDP-11/70]]. It was 32 [[bit]]s wide, to interface to the -11/70' An MK11 system contained six [[DEC card form factor|hex]] control modules (of four differe
    8 KB (1,276 words) - 03:23, 6 February 2024
  • Time-sharing
    ...e [[user]]s at the same time - as opposed to the earlier [[batch operating system]]s, in which users submitted '[[job]]s', which were run, after which the re ...dern sense). This eventually led to MIT building [[Compatible Time-Sharing System|CTSS]], the first time-sharing OS to go into production service.
    3 KB (491 words) - 02:53, 23 January 2023
  • Mainframe
    ...rocessor]]s), physical size became a disadvantage, since it put a limit on system speeds, due to speed of light delays. Mainframes continued to exist, but be ...ntinue to exist, their place is being taken by large groups of [[commodity system]]s networked together; typically [[personal computer]]s.
    1 KB (171 words) - 01:38, 16 December 2018
  • Personal computer
    ...on at a time (even though it may be running a [[time-sharing]] [[operating system]] for technical reasons).
    2 KB (338 words) - 19:13, 12 June 2023
  • Disk
    '''Disk''' storage was, until recently, the primary form of high-speed on-line [[secondary storage]] for computers. Disks replaced an earlier form of rota ...led or removed in a drive, in a process called '''mounting''' a pack. So a system could have multiple packs (for backup purposes, or for infrequently needed
    4 KB (699 words) - 14:20, 16 July 2023
  • Microcode
    ...n set. This was originally, and most influentially, displayed by the [[IBM System/360]] line of computers. This too is now not common, since it is not usual ...ing was done in [[assembly language]], this allowed people to upgrade to a System/360 machine without discarding their investment in software for the earlier
    6 KB (853 words) - 14:25, 22 January 2024
  • Virtual address
    When running a [[time-sharing]] [[operating system]], the [[memory management]] [[hardware]] provides mapping of memory addres
    963 bytes (147 words) - 21:35, 15 December 2018
  • Gray code
    A '''Gray code''' (named after their inventor) is a coding system in which 'neighbour' codes only differ in one bit. In a classic binary code
    2 KB (245 words) - 21:29, 22 June 2019
  • BSD Fast File System
    ...these, so successfully that the FFS and its descendants are still the file system of most Unix descendants today. The original Unix file system was too simple to be able to get good performance out of the disks of the B
    11 KB (1,759 words) - 19:20, 12 June 2023
  • Unix Eighth Edition
    ...load. It is not a complete distribution tape, just a tar file of a running system, made by Dan Cross. Boot messages of a v8 system running in SimH:
    4 KB (578 words) - 18:00, 12 December 2023
  • Unix Ninth Edition
    .... It is not a complete distribution tape, just a [[tar]] file of a running system, made by Norman Wilson.
    1 KB (191 words) - 16:02, 28 October 2022
  • MB20 core memory
    The '''MB20''' was a [[core memory|core]] [[main memory]] system for the later [[PDP-10]]s, principally the mid-period [[KL10]]. An MB20 con
    2 KB (256 words) - 04:17, 1 August 2023
  • DH11 asynchronous serial line interface
    |System Control Register || DHSCR || 760020 The [[address]]es shown are for the first DH11 in a system; additional ones are normally set to be at 760040, 760060.
    10 KB (1,443 words) - 02:27, 19 February 2023
  • System unit
    A '''system unit''' is a standard modular [[backplane]] from [[Digital Equipment Corpor The initial system units were [[DEC card form factor|hex]] height, four-slot assemblies. (Some
    1 KB (178 words) - 15:45, 23 December 2023
  • DR11 parallel interface
    * [[DR11-B parallel interface|DR11-B]]: DMA, 4-slot [[system unit]]
    1 KB (156 words) - 23:02, 14 December 2021
  • DR11-B parallel interface
    The [[address]]es shown are for the first DR11-B in a system; additional ones are normally set to be at 772430, 772450, 772470, etc. ...a number of smaller [[FLIP CHIP]]s which were installed in custom 4-slot [[system unit]] [[backplane]].
    5 KB (766 words) - 03:15, 25 November 2022
  • KD11-E CPU
    ...point]] unit or the [[KK11-A Cache Memory|KK11-A]] [[cache]]; a PDP-11/34 system needed the upgraded [[KD11-EA CPU]] for that.
    5 KB (791 words) - 02:23, 6 December 2022
  • KY11-LA Operator's Console
    * [http://bitsavers.org/pdf/dec/pdp11/1134/1134_UsersManual.pdf PDP-11/34 system user's manual] - the KY11-LA is covered in Chapter 2
    2 KB (358 words) - 18:29, 3 April 2022
  • Bus grant
    ...e which device will get the bus first. There are many ways to do this; the system might use [[bus grant line]]s, or there might be some sort of distributed a
    1 KB (194 words) - 18:42, 11 November 2019
  • Bus grant line
    In other words, when there are conflicting requests for the bus, this kind of system prioritizes the requests based on the devices' location on the bus; the one
    2 KB (281 words) - 01:01, 14 February 2023
  • PDP-6
    | operating system = [[TOPS-10|Monitor]], [[Incompatible Timesharing System|ITS]], [[WAITS]], [[JOSS|JOSS II]] | price = US$120K (CPU), US$300K (system)
    3 KB (510 words) - 07:28, 6 September 2023
  • VAX CPUs, Modules, Part Numbers and Firmware
    ! System name | [[KA410 MicroVAX 2000/VAXstation 2000 System Module|KA410-A]]
    9 KB (877 words) - 22:15, 25 August 2023
  • MicroVAX 2000
    The MicroVAX 2000 system has a DEC423 converter attached to the back of the system box and is mounted over the video and printer ports. ...nnected to a [[KA410 MicroVAX 2000/VAXstation 2000 System Module|KA410-A]] system module, which has 2MB on-board memory.
    5 KB (595 words) - 17:41, 13 January 2024
  • MicroVAX 3300/3400
    ...es/c/c6/EK-VAXCT-CG-006.pdf VAXcluster Systems - Guidelines for VAXcluster System Configurations] (EK-VAXCT-CG-006)
    2 KB (241 words) - 22:58, 12 January 2024
  • SIMH/Draft
    ...tems can network directly onto the [[Internet]], if the emulated operating system supports it, like BSD or [[VMS]].
    4 KB (584 words) - 12:16, 7 April 2023
  • VAX 8200
    The '''VAX 8200''' is a mid-range [[VAX]] uni-processor system built around the [[VAX Bus Interconnect|VAXBI]] [[bus]]; it uses the [[KA82
    2 KB (317 words) - 04:02, 19 May 2024
  • VAX 8300
    ...mid-range [[VAX]] dual-[[Central Processing Unit|CPU]] [[multi-processor]] system built around the [[VAX Bus Interconnect|VAXBI]] [[bus]], using the [[KA820
    2 KB (287 words) - 14:43, 19 May 2024
  • VAXstation 2000
    <div id="ref_1">[1] VAXstation 2000 System Guide. EK-V2000-SG-001</div> * [https://manx-docs.org/collections/antonio/dec/v2000sg1.pdf VAXstation 2000 System Guide] (EK-V2000-SG-001)
    2 KB (230 words) - 19:05, 15 January 2024
  • VAXstation 3100 Model 30/40
    <div id="ref_2">[2] VAXstation 3100 Model 30 Desktop-VMS Basic System Guide. EK-259AA-UG-001</div>
    2 KB (229 words) - 16:15, 15 January 2024
  • VAXstation 4000 Model 60
    The '''VAXstation 4000 Model 60''' system is a compact desktop [[workstation]] using a [[microprocessor]] [[VAX]] [[m ...ons/mds-199909/cd1/vax/pmarioma.pdf VAXstation 4000 Model 60 Owner’s and System Installation Guide] (EK–PMARI–OM.A02)
    2 KB (171 words) - 16:34, 15 January 2024
  • VAXstation 4000 VLC
    ...station 4000 VLC''' ('Very Low Cost'; reputedly also named the 'Model 30') system is a single-[[printed circuit board|board]] [[microprocessor]] [[VAX]] [[wo
    1 KB (127 words) - 16:35, 15 January 2024
  • System Module
    [[Image:PDP-6 mod end.jpg|thumb|right|250px|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvag '''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[Digital Equip
    3 KB (411 words) - 15:51, 6 March 2024
  • VAX 6000 series
    ...ssor System Block Diagram.png|thumb|400px|rightt|A four-processor VAX 6200 system]] ...ries were announced in April 1988, as the 'VAX 6200'. The single processor system was the [[VAX 6210]]. Up to four processors could be installed to produce a
    5 KB (599 words) - 18:07, 20 May 2024
  • SINTRAN III
    ...eal-time system|real-time]], [[multi-tasking]], [[multi-user]] [[operating system]] used with Norsk Data computers from 1974. Unlike its predecessors [[SINTR Sintran III core and [[file system]] was written in [[NORD PL]], intermediate language for Norsk Data computer
    2 KB (321 words) - 22:47, 5 November 2018
  • NORD PL
    ...from [[Norsk Data]]. It shipped as a standard component of the [[operating system]] [[SINTRAN III]]; the language was also used to implement SINTRAN III. It
    2 KB (328 words) - 02:36, 29 April 2020
  • NORD-50
    ...10/S and NORD-50 CPUs. The [[I/O]] system, [[file system]] and [[operating system]] are common to both processors. ...tches. The [[NORD-10]] acts as a system supervisor running the [[operating system]] [[SINTRAN III/VS]] and the [[NORD-50 monitor]].
    3 KB (496 words) - 03:51, 20 October 2018
  • NORD-42
    The '''NORD-42''' is an [[OEM]] version of the [[NORD-12]] system. It was manufactured for Noratom-Norcontrol A/S. ...ontrol used the NORD-42 as the central processor in their '''DATABRIDGE''' system. It was also used in simulators on a number of maritime schools both in Nor
    645 bytes (85 words) - 03:52, 20 October 2018
  • NORDCOM
    ...e computer. A [[NORD-20]] with 4k memory is used as the controller for the system. NORDCOM is connected to a computer ("main machine") via a data channel tha The NORDCOM software system is module-based, with a maximum size of about 3K. It was created from Septe
    1 KB (215 words) - 04:00, 20 October 2018
  • QED (text editor)
    .... Peter Deutsch]] (of [[Ghostscript]] fame) for the [[Berkeley Timesharing System]] running on the [[Scientific Data Systems|SDS]] [[SDS 940|940]]. It was im
    3 KB (441 words) - 15:24, 18 July 2023
  • File system
    A '''file system''' is an abstraction provided by an [[operating system]] to users for them to store data aggregates of all sorts ([[program]] [[so The file system takes the actual storage blocks (normally identified with a block number) o
    2 KB (341 words) - 09:48, 26 March 2023
  • Directory
    ...tion of a [[mass storage]] system or (more recently) a [[data network]]ing system. In the former, they record which [[file]]s are stored in that system, along with some information about them (such as where they are stored). In
    3 KB (431 words) - 04:37, 5 May 2024
  • UNIX file system
    The '''UNIX file system''' was one of the first [[file system]]s to internally completely separate [[directory|directories]] (the catalog ...es (visible to users) to inode numbers (used internally by the [[operating system]], and generally not visible to users).
    7 KB (1,147 words) - 14:34, 14 June 2023
  • Reduced Instruction Set Computer
    ...fastest possible [[instruction]] [[execution time]], as part of a overall system architecture which maximizes the performance at minimum cost.
    2 KB (330 words) - 02:01, 16 December 2018
  • Architecture
    ...formation systems refers to the high-level organization and structure of a system. The term is applied to both [[hardware]] and [[software]]. ...ters); the [[data path]]s which connect them all together; and the control system (usually [[microcode]]) which runs the whole ensemble.
    3 KB (488 words) - 00:30, 23 October 2023
  • NORD-2B
    | operating system = ...a data channel (ACM) and are connected to the process through a common I/O system. This makes it possible to run PAC functions on both computers."
    1 KB (189 words) - 03:43, 20 October 2018
  • Unix SYSVr4
    ...was released on x86 in multiple varieties. It was the most successful Unix System V version.
    675 bytes (106 words) - 04:19, 17 December 2018
  • BCPL
    ...ichards, its designer, mostly for systems programming (such as [[operating system]]s, [[compiler]]s, etc), for which the type limitation was not severe. (The It was first implemented on the [[CTSS]] operating system, while Richards was visiting MIT. A number of the early [[UNIX]] personnel
    3 KB (542 words) - 07:42, 20 June 2023
  • Cross-compiler
    ...inging up an [[operating system]] on a new machine, or creating code for a system (e.g. an [[embedded processor]]) on which it is not intended to host a soft
    927 bytes (137 words) - 13:51, 13 April 2022
  • Single-level store
    ...RAM]]) or in [[secondary storage]] (usually [[disk]]), and the [[operating system]] automatically moves information between them, as needed, without the acti ...physical location of a page is unimportant to a [[process]]; the operating system automagically arranges to bring pages into primary storage from secondary s
    3 KB (536 words) - 02:10, 16 December 2018
  • Honeywell 6000 series
    Most 6000 series machines ran [[GCOS]] (General Comprehensive Operating System), an evolution of the earlier GECOS (General Electric Comprehensive Operati ==System organization==
    12 KB (1,837 words) - 19:24, 3 January 2024
  • Process
    ...e most common computational abstraction in a [[multi-tasking]] [[operating system]]. It is effectively a 'virtual computer' (but not in the sense of a [[virt ...the OS (e.g. I/O to a [[file system]], as well as devices attached to the system).
    1 KB (201 words) - 23:13, 16 December 2018
  • Virtual machine
    [[Operating system]]s which provide the capability are called 'virtual machine' (VM) OSs; if t ...esigned so that any and all operations which are reserved to the operating system are not only preventing from happening when a [[user]] tries to perform the
    2 KB (269 words) - 19:19, 5 January 2023
  • Page fault
    A '''page fault''' is an event in a [[virtual memory]] system when the [[Central Processing Unit|CPU]] makes a reference to a [[page]] in
    452 bytes (73 words) - 20:03, 18 December 2018
  • Base and bounds
    ...s of the hardware implementation, and was only relevant to the [[operating system]].)
    995 bytes (161 words) - 21:34, 15 December 2018
  • File
    ...imes [[object code]] - saved on [[secondary storage]], usually in a [[file system]]. Depending on the [[operating system]], a file may be presented to the user as a simple array of bytes or words
    906 bytes (151 words) - 23:06, 16 December 2018
  • Transistor
    ...ch), and also possibly [[amplifier|amplify]], signals in an [[electronic]] system. It replaced an earlier generation of technology which performed the same f
    3 KB (488 words) - 18:18, 17 December 2023
  • TOPS-10
    '''TOPS-10''' was [[DEC]]'s [[operating system]] for the early [[PDP-10]] computers. It was descended from the 'Monitor' O
    1 KB (190 words) - 03:32, 28 November 2023
  • RH11 MASSBUS controller
    The RH11 consisted of a double [[system unit]] [[backplane]] (below) into which plugged a number of cards: ...ead_disk_system_maintenance_manual_Aug1974.pdf RJS04/RJS03 fixed-head disk system maintenance manual] (DEC-11-HRJSA-B-D) - contains detailed RH11 information
    6 KB (951 words) - 15:40, 25 February 2022
  • TENEX
    ...stor of the later [[Digital Equipment Corporation|DEC]]-supplied operating system for the [[DECSYSTEM-20]], [[TOPS-20]]. The [[Berkeley Time-Sharing System]] for the [[SDS 940]] was an important source of concepts for TENEX, along
    6 KB (943 words) - 15:47, 6 January 2024
  • Batch operating system
    ...job]] - a [[program]], along with all its input data - is handed in to the system; when there is an opportunity, it is run; and any resultant output is provi ...le a job was waiting for [[input/output|I/O]] to complete, the rest of the system was idle.
    3 KB (442 words) - 08:41, 10 September 2022
  • Intel 8085
    ...ons to handle the added features of the 8085 (a more complex [[interrupt]] system, and a built in [[asynchronous serial line]] interface); it is otherwise [[
    582 bytes (86 words) - 23:44, 16 December 2018
  • Windows 1.0 Premiere Edition
    According to Trower, the memory management code of the operating system needed to be rewritten at a later point in development:
    3 KB (427 words) - 19:29, 6 February 2024
  • KS10
    | operating system = [[TOPS-10]], [[TOPS-20]], [[Incompatible Timesharing System|ITS]], [[TYMCOM-XX]] <!-- | price = US$200K (CPU), US$500K-1M (system) -->
    8 KB (1,237 words) - 19:48, 14 July 2023
  • Condition handler
    ...exits. When looking for a handler for a signalled condition, the condition system starts at the bottom of the call stack, and works its way upwards, looking ...a particular signalled condition is found in the call stack, the condition system may respond by signalling an 'unhandled condition' condition. Usually a han
    5 KB (795 words) - 13:10, 10 March 2023
  • Simulator
    ...ran [[Multics]]) and the [[PDP-10]] (which ran [[Incompatible Timesharing System|ITS]]) is either gone completely, or extremely rare. So, for people who wis
    2 KB (308 words) - 15:05, 14 April 2021
  • PDP-15
    ...d/Background System, DOS-15, XVM/DOS, XVM/RSX, XVM/MUMPS, Advanced Monitor System <!-- | price = US$150K (CPU), US$300-700K (system) -->
    4 KB (591 words) - 13:40, 11 July 2023
  • BA11-K mounting box
    ...e [[BA11 mounting boxes]]. It could contain up to 5 standard size (4-slot) system units. The system units were mounted longitudinally, facing upward (unlike the [[BA11 mountin
    4 KB (755 words) - 03:18, 11 July 2023
  • BA11-L mounting box
    ...unting box''' was for many years a standard [[DEC card form factor|hex]] [[system unit]] [[backplane]] mounting box for the [[H960 rack|H960]] series of 19"- ...esigned for these spaces, and could contain up to 2 standard size (4-slot) system units.
    2 KB (386 words) - 03:20, 11 July 2023
  • Bootstrap
    ...'' (the term can also be used as a noun) means to start a computer-related system from nothing. It has two main meanings: ...torage]] into [[main memory]], which then loads and starts the [[operating system]]. Earlier methods for entering the bootstrap code into a blank memory, wa
    1 KB (255 words) - 09:08, 11 August 2023
  • IBM 709
    | operating system = SOS, IBSYS, IBJOB ...ioneered on the 709 was [[time-sharing]]; the first time-sharing operating system, [[CTSS]], was first experimentally operated on a 709.
    2 KB (304 words) - 02:19, 9 August 2022
  • IBM 7090
    | logic type = [[Standard Modular System|SMS]] cards using alloy-junction [[transistor]]s | operating system = SOS, IBSYS, IBJOB, FMS, [[CTSS]]
    2 KB (287 words) - 02:18, 9 August 2022
  • Compatible Time-Sharing System
    ...ystem''' (usually '''CTSS''', for short) was a ground-breaking [[operating system]], the first [[time-sharing]] OS to be used in service. ...at it could simulate the [[Fortran Monitor System]], the [[batch operating system]] previously run on the [[IBM 7090]] and [[IBM 7094]] [[mainframe]] compute
    6 KB (1,011 words) - 16:53, 7 March 2024
  • Command processor
    ...[[time-sharing]] systems (such as [[TENEX]] and [[Incompatible Timesharing System|ITS]]) followed this example.
    2 KB (246 words) - 22:40, 11 October 2022
  • Magnetic tape drive
    ...pment Corporation|DEC]] [[TU10 magtape drive]]/[[TM11 magtape controller]] system, not only is the [[magnetic tape controller]] separate from the drive, but
    935 bytes (139 words) - 14:15, 30 May 2022
  • BDV11 Bus Terminator/ROM
    So if you start some [[operating system]] which enables the KW11-L (e.g. [[UNIX]]), and then try and re-boot it by ...out error on the BDV11 which can cause damage if a BDV11 is plugged into a system with the optional -12V on pin AB2. The trace which is supposed to connect b
    4 KB (672 words) - 02:01, 10 July 2023
  • Internet
    ...u/Saltzer/www/publications/endtoend/endtoend.pdf ''End-To-End Arguments in System Design''], ACM Transactions in Computer Systems, Volume 2, Number 4, Novemb
    3 KB (401 words) - 23:06, 19 April 2024
  • UNICHANNEL 15 System
    The '''UNICHANNEL 15 System''' ('''UC15''') is an group of hardware sub-systems which allows a [[PDP-15 ...s.org/pdf/dec/pdp15/XVM/DEC-15-HUCMA-B-D_UC15_Nov73.pdf UC15 unichannel-15 system maintenance manual] (DEC-15-HUCMA-B-D)
    1 KB (180 words) - 14:48, 28 November 2022
  • MX15-B Memory Multiplexer
    The '''MX15-B Memory Multiplexer''' was part of the [[UNICHANNEL 15 System]], which allowed a [[PDP-11]] (usually a [[PDP-11/05]]) to act as a [[front ...type UNIBUS cycles (which have no exact equivalents in the PDP-15's memory system) to PDP-15 memory operations with the same effect.
    2 KB (314 words) - 00:35, 1 December 2022
  • Emacs editors
    ...CO]] [[macro]]s on the [[Incompatible Timesharing System|ITS]] [[operating system]] at [[MIT]]. Since TECO itself was written in [[assembly language]] for th ...ll sold and supported. [[SINE]] was created for the [[MagicSix]] operating system. A version was done in [[LISP]] for [[Multics]] by [[Bernie Greenberg]]. T
    3 KB (412 words) - 03:22, 4 August 2023
  • Memory management
    ...rdware is needed for two reasons. First, in a [[time-sharing]] [[operating system]]s, to prevent one user's erroneous (or hostile) program from interfering w Early [[International Business Machines|IBM]] [[System/360]] machines exposed the actual physical memory addresses to users (hence
    1 KB (235 words) - 17:28, 8 June 2023
  • Amstrad
    ...nal PC construction: the power supply moved from the monitor to inside the system unit's sturdy metal case. Later series included i486 models, small form-fa
    2 KB (224 words) - 14:20, 24 April 2024
  • M9312 ROM
    If S1-2 is 'off', the system will power-up normally; if 'on', the CPU will obtain its new PC/PS pair fro
    7 KB (1,103 words) - 11:42, 3 April 2022
  • KD11-A CPU
    ...of them plugged into a [[wire-wrap]]ped custom 9-slot [[backplane]] dual [[system unit]]. The optional KE11-E Extended Instruction Set, KE11-F Floating Instr ...pdf/dec/pdp11/1140/PDP-1140_System_Engr_Drawings_Rev_P_Jun74.pdf PDP-11/40 system engineering drawings] (pp. 9-108 of the PDF)
    4 KB (588 words) - 05:52, 8 April 2024
  • WAITS
    ...e unofficially means "West-coast Alternative to [[Incompatible Timesharing System|ITS]]", or "West-coast Artificial Intelligence Time-Sharing" (although thes ...-10 4S72 and was initially just called the "Stanford monitor" or "Stanford system" until receiving the name WAITS. In 1976, a KL10 became the primary, makin
    6 KB (920 words) - 13:33, 6 January 2024
  • MACLISP
    ...DP-6]] LISP'' at [[Project MAC]], then moved to [[Incompatible Timesharing System|ITS]] and renamed ''MACLISP'' somewhere along the way. Later ported to [[T
    1 KB (167 words) - 08:22, 19 January 2024
  • Comart
    ...urer of single- and [[multi-user]] [[microcomputer]]s that ran [[operating system]]s from the Digital Research [[CP/M]] family.
    2 KB (247 words) - 20:05, 19 September 2023
  • DEC edge connector contact identification
    ...for a unique, fixed slot in a single type of backplane; the board-centric system is better for cards like early FLIP CHIPs, which were generic, and appeared
    2 KB (338 words) - 18:20, 16 May 2020
  • Chaosnet
    ...N was a [[Carrier-Sense Multiple Access with Collision Detection|CSMA-CD]] system modeled on the [[Xerox PARC]] 3 megabit/second Experimental [[Ethernet]], r | [[Incompatible Timesharing System|ITS]] || Yes || Yes || Yes
    8 KB (1,211 words) - 16:55, 10 April 2024
  • Byte stream
    The ''[[pipe]]'' mechanism used in a number of [[operating system]]s, such as [[Unix]] and [[MS-DOS]], is a uni-directional byte stream. One
    1 KB (224 words) - 22:01, 14 October 2023
  • Able ENABLE
    ...ical in function to the PAR's of the standard [[PDP-11 Memory Management]] system, but had different addresses from the ones built into the CPU. (The ENABLE ...ve the native PARs untouched, using only the ABLE PARs, as the [[operating system]] ran.
    9 KB (1,569 words) - 15:47, 6 February 2024
  • Foonly
    They made their own operating system, [[FOONEX]], for their machines. It was based on [[TENEX]]. ...esign. It was built at [[III]] for use in a optical character recognition system. It was bought by Omnibus for generating computer graphics.
    1 KB (200 words) - 10:21, 10 January 2024
  • FOONEX
    '''FOONEX''' was an [[operating system]] for [[Foonly]]'s [[PDP-10]] clones. It was based on [[TENEX]].
    270 bytes (34 words) - 15:47, 2 March 2021
  • Maxc
    They ran the [[TENEX]] [[operating system]]; to do this, Maxc implemented [[virtual memory]] mechanisms comparable to ...llections/parts/maxc-board/ Original boards from a Xerox MAXC Time Sharing System]
    4 KB (657 words) - 01:43, 17 February 2024
  • TYMCOM-X
    [[PDP-10]] operating system at Tymshare. Similar in appearance to [[TYMCOM-IX]] for their [[SDS 940]]
    807 bytes (109 words) - 08:57, 13 March 2024
  • DL10 PDP-11 Data Link
    ...e controlled by both processors in a multi-[[Central Processing Unit|CPU]] system). So, it could be connected to [[KA10]]s and [[KI10]]s, but only to [[KL10] ...-10-XSRMA-A-D%20DECsystem10%20System%20Reference%20Manual.pdf DECsystem-10 System Reference Manual] - documents the PDP-10's DL10 control instructions in App
    5 KB (664 words) - 17:27, 7 November 2023
  • Big-endian
    'Big-endian' refers to machines (like the [[IBM System/360]]) which number the bits and bytes from the most significant (high-orde
    1,017 bytes (156 words) - 14:23, 27 February 2024
  • TM10 Magnetic Tape Control
    ...-10-XSRMA-A-D%20DECsystem10%20System%20Reference%20Manual.pdf DECsystem-10 System Reference Manual] - documents the TM10 in sections 6-6&ndash;6-9 (pp. 210-2
    1 KB (221 words) - 22:18, 21 April 2024
  • Rubin 10-11 interface
    ...55 [[page]]s of 1K [[word]]s each (the standard [[Incompatible Timesharing System|ITS]] page size). (The 256th page contained the mapping registers, below; u ...master/files/ten11 TEN11;] - ''probably'' the [[Stanford University Design System|SUDS]] drawings for it
    3 KB (402 words) - 17:01, 22 March 2024
  • Magnetic tape controller
    ...]] system (which also uses the master/slave approach); the DEC [[MASSBUS]] system of a MASSBUS interface, [[TM02 magtape controller|TM02]] formatter, and tap
    1 KB (227 words) - 17:44, 29 December 2023
  • Hierarchy
    ...are now hierarchies, an approach started by [[Multics]]. The [[Domain Name System]] of the [[Internet]] is also structured as a hierarchy, with nodes 'com', ...ere it is used to refer the the relationships between the sub-systems in a system.
    761 bytes (125 words) - 19:35, 14 December 2018
  • TX-2
    ...ral other TX-2 alumni, where he helped create the descendant [[LINC tape]] system; he then moved to [[DEC]], where he helped create [[DECtape]], very similar Beginning in 1964 a [[time-sharing]] system called [[APEX]] was put together on the TX-2 computer at Lincoln Lab under
    2 KB (346 words) - 22:11, 3 March 2024
  • August
    '''August''' was a [[PDP-10]] [[operating system]] based on [[TENEX]]. It was created by [[Douglas Englebart]]'s [[Augment]]
    595 bytes (77 words) - 16:24, 3 December 2023
  • PDP-5
    | logic type = [[transistor]] [[System Module]]s
    2 KB (360 words) - 20:03, 7 February 2024
  • VT52
    ...terminal emulator was used in the [[Atari]] [[Atari TOS|TOS]] [[operating system]].
    4 KB (577 words) - 12:26, 16 January 2024
  • Atari TOS
    Operating system for [[Atari]]'s [[Atari ST|ST]] and [[Atari TT|TT]] series. Based on GEMDO
    192 bytes (26 words) - 23:21, 14 January 2024
  • Technology Square
    Originally, the 9th floor held MIT's second [[Compatible Time-Sharing System|CTSS]] machine, and the [[GE-635]] and [[GE-645]] of the [[Multics]] projec ...that space was used to hold the MIT-MC [[KL10]] [[Incompatible Timesharing System|ITS]] machine.
    7 KB (1,012 words) - 06:46, 20 February 2024
  • Berkeley Time-Sharing System
    ...could interfere with another process, or with the operation of the overall system). ...X (e.g. the split between ''fork()'' and ''exec()'') copy how the Berkeley system operated. It was also one of the influences on [[TENEX]].
    4 KB (603 words) - 14:51, 11 June 2023
  • Running UNIX V6 on an -11/23
    ...re fairly simple to deal with, but they require minor modifications to the system, so you will need a running V6 to do these; bringing it up under a [[simula ...ooting, as a clock [[interrupt]] before UNIX is ready for it can trash the system (and has been observed to trash the disk, if you are really unlucky).
    6 KB (1,028 words) - 16:56, 2 June 2022
  • TECO
    ...4; it was for a long time the primary editor on [[Incompatible Timesharing System|ITS]]. [[EMACS]] was implemented using TECO's programming facilities.
    2 KB (256 words) - 12:51, 23 April 2024
  • KD11-B CPU
    ...ited to 2400 baud), allowing use of a more capable serial interface as the system console. The other (W2), when installed, disables the CPU from acting as a ...ts are all the same parts as the previous revision, but the chip numbering system for the board has been completely revised.
    11 KB (1,726 words) - 21:07, 2 July 2023
  • MM11-K core memory
    '''MM11-K core memory''' is a rare [[UNIBUS]] [[main memory]] system which is effectively an earlier, smaller version of the common [[MM11-L cor
    2 KB (326 words) - 10:41, 26 January 2022
  • Fuzzball
    [[PDP-11]] operating system by [https://www.eecis.udel.edu/~mills/ David Mills]; although it was origin == Operating System ==
    2 KB (242 words) - 00:34, 3 June 2023
  • Camexec
    An [[Incompatible Timesharing System|ITS]]-style [[PDP-11]] operating system. ...tware-generated interrupts of various sorts. A process could intercept the system calls of its children or let the OS handle the calls. We used this feature
    3 KB (544 words) - 01:12, 1 April 2024
  • XT/370
    [[IBM]] product to emulate a [[System/370]] mainframe on an [[IBM PC]]/XT, using a [[68000]] with custom microcod
    157 bytes (21 words) - 19:26, 18 December 2018
  • Intel
    * [http://www.bitsavers.org/pdf/intel/ Intel] - system documentation at [[Bitsavers]]
    1 KB (151 words) - 19:52, 11 July 2023
  • IMP interface
    * MIT DM IMP, used by [[Incompatible Timesharing System|MIT-DM]]. Made by Bob Metcalfe * MIT KA IMP, used by [[Incompatible Timesharing System|MIT-AI, -ML, and -MC]]
    2 KB (258 words) - 20:39, 17 December 2023
  • Interface Message Processor
    ** [https://walden-family.com/impcode/imp-hardware.pdf Intermodem Processor System] - Honeywell manual covering much of the custom IMP hardware
    3 KB (407 words) - 20:49, 17 December 2023
  • MOS operating system
    ...ional|SRI]]) was a cooperative [[real-time]] [[multi-tasking]] [[operating system]], originally for the [[PDP-11]], used for a number of [[packet switch]]es ...onous I/O, and allocation and freeing of [[main memory]]; it had no [[file system]] or other support for [[secondary storage]].
    3 KB (394 words) - 16:36, 25 January 2024
  • Asynchronous
    Thus, elements in asynchronous [[logic]] system respond to events 'upstream' in the logic network, not to an external contr
    923 bytes (147 words) - 19:43, 29 March 2024
  • RX11 floppy disk controller
    .../classiccmp/RX%20info/RX11%20Disk%20Option%20Bulletin.tif RX11 Floppy Disk System Option Bulletin] ...org/pdf/dec/disc/rx01/EK-RX01-OP-001_RX11UM_Nov76.pdf RX8/RX11 floppy disk system user's manual] (EK-RX01-0P-001)
    4 KB (516 words) - 14:50, 6 November 2022
  • RX211 floppy disk controller
    ...-001%20RX02%20Floppy%20Disk%20System%20User's%20Guide.pdf RX02 Floppy Disk System User's Guide] (EK-RX02-UG-001) - the RX211 and RXV21 are covered in Chapter
    4 KB (536 words) - 15:06, 6 November 2022
  • User
    ...one. On a [[time-sharing]] system, it would be the person logged in to the system over a [[terminal]] (real or virtual). On a [[personal computer]], it would ...ration for other users are prohibited, and only allowed to the [[operating system]], which runs in the latter mode.
    804 bytes (131 words) - 16:00, 18 December 2018
  • Emitter-coupled logic
    ...ransistor]]s, with both their emitters connected to the low voltage in the system (often ground) - hence the name ECL. The collectors on both, which are the
    2 KB (273 words) - 18:04, 16 May 2023
  • RTS-8
    ...t is permanently resident in [[main memory]]; it does not include a [[file system]].
    1 KB (166 words) - 00:32, 23 June 2020
  • TSS/8
    ...up to 16 users (24 in certain applications) a comprehensive [[library]] of system programs. ...ompiling, debugging, loading, saving, calling, and executing user programs on-line. Two conversational, interactive [[interpreter]] systems, [[FOCAL-8]] and [
    1 KB (118 words) - 22:57, 22 November 2019
  • Parity
    '''Parity''' is a very early error-detectiion system (now mostly replaced by [[Cyclic redundancy check|CRCs]]). It can detect al
    607 bytes (98 words) - 16:31, 6 December 2020
  • IBM 704
    <!-- | operating system = SOS, IBSYS, IBJOB --> ...om/ibm/history/exhibits/mainframe/mainframe_PP704.html 704 Data Processing System] - IBM Archive page
    2 KB (278 words) - 02:11, 9 August 2022
  • TS03 DECmagtape Transport
    ...TMB11-OP-001_Nov76.pdf TMB11/TS03 DECmagtape system user's manual (TMB11-M system)] (EK-TMB11-OP-001) ...TM8-E_DECmagtape_System_Maintenance_Manual_Apr76.pdf TS03/TM8-E DECmagtape system maintenance manual] (EK-T3TM8-MM-001)
    2 KB (322 words) - 04:07, 9 January 2024
  • Xerox PARC
    * the unification of the above into the network-centric information-handling system, with [[server]]s and workstations (the Alto). ...://xeroxparcarchive.computerhistory.org/index.html Xerox PARC Interim File System (IFS) archive]
    4 KB (516 words) - 02:53, 10 January 2024
  • Synchronous
    Thus, elements in a synchronous [[logic]] system respond to an external control which imposes synchronizing timing; an exter
    748 bytes (113 words) - 19:49, 29 March 2024
  • NORD-OPS
    ...s for NORD-OPS has been to make a modular, flexible and reliable operating system, which then should make it easy to use and utilize the NORD computers in th ...al reasons natural to base the operating system on the [[SINTRAN]] Monitor System:
    1 KB (171 words) - 15:06, 9 September 2022
  • Task
    Tasks are more common on [[real-time system|real-time]] [[operating system]]s, but they are not restricted to such systems.
    423 bytes (68 words) - 23:14, 16 December 2018
  • Xerox Alto
    ...n the [[RK02/03 disk drive|RK02 disk drive]]); the Alto-based Interim File System (IFS) [[file server]]s used [[Trident]] disk drives. ...o/memos_1974/Alto_A_Personal_Computer_Dec74.pdf Alto - A Personal Computer System] December, 1974 - a [http://gordonbell.azurewebsites.net/Computer_Structure
    6 KB (863 words) - 22:39, 3 October 2023
  • UNIVAC I
    | price = US$1250-1500K (system)
    2 KB (319 words) - 01:12, 12 July 2023
  • KB11-A CPU
    ...e KB11-A could also use the special high-speed [[MS11 Semiconductor Memory System]], specific to the PDP-11/45, which plugged into a special [[bus]], the Fas
    3 KB (395 words) - 21:08, 2 July 2023
  • KB11-D CPU
    ...e KB11-A could also use the special high-speed [[MS11 Semiconductor Memory System]], specific to the PDP-11/45, which plugged into a special [[bus]], the Fas
    2 KB (307 words) - 12:32, 11 October 2022
  • KD11-Z CPU
    * [http://bitsavers.org/pdf/dec/pdp11/1144/1144_SystemTechMan.pdf PDP-11/44 System Technical Manual] - the KD11-Z is covered in Chapters 2 and 6
    4 KB (668 words) - 15:59, 6 February 2024
  • Array
    Given the naming system normally used for [[main memory]] (itself usually a large array), single-di
    681 bytes (105 words) - 16:21, 15 December 2018
  • Address
    ...[[byte]] in most contemporary machines (following the example of the [[IBM System/360]], or a [[word]] (typical, on older machines). Main memory cells are ar
    1 KB (185 words) - 19:44, 14 December 2018
  • KB11-B CPU
    * M8137 System Address Paths * M8138 System Status Registers
    3 KB (456 words) - 21:08, 2 July 2023
  • SITS
    ...l Incompatible Timesharing System". It was a [[time-sharing]] [[operating system]] for a [[PDP-11/45]], created in the mid-1970s at [[MIT]] for running [[Lo ...ty and the concept of spheres. It has a hierarchical tree-structured file system inspired by [[Multics]]. SITS supported [[raster]] [[display]]s similar to
    7 KB (1,015 words) - 22:43, 15 March 2024
  • Video terminal
    ...etype]]s, but instead of the output being printed on paper by a mechanical system, it was displayed on the screen. Like the earlier printing terminals, they
    2 KB (302 words) - 02:25, 21 February 2024
  • Bit-mapped display
    ...as [[main memory]]. Due to the intimate relationship with the rest of the system, they are usually found on [[personal computer]]s. | 1973 || [[Knight TV system|Knight TV]] || [[MIT Artificial Intelligence Laboratory|MIT AI Lab]] || Tom
    3 KB (448 words) - 12:21, 27 February 2024
  • MM11-E and MM1-F core memories
    ...EC card form factor|extended-length]]), plugged into a custom-wired quad [[system unit]] [[backplane]]. The MM11-F and MM11-FP used the same backplane; only
    4 KB (667 words) - 19:53, 30 July 2023
  • Term-Mite ST Smart Terminal/TermMite.asm
    rstvec jmp reset ;start of prog from system reset mov scr,a ;set system control reg
    24 KB (5,539 words) - 03:05, 27 December 2018
  • Firmware
    ...binary]] form, in a [[read-only memory|ROM]] of some sort in/on the device/system.
    428 bytes (65 words) - 05:07, 13 December 2018
  • PARC Universal Packet
    ...was used as both the [[routing protocol]] (the router information-exchange system), and for hosts to discover routers.
    6 KB (926 words) - 16:27, 11 May 2023
  • Multi-user
    ...on at the same time. The classic form is the [[time-sharing]] [[operating system]], but it also includes special-purpose systems which can provide specific, ...e settings of [[access control]] parameters (for OS's which have them),the system might prevent one user from examining or changing another user's [[file]]s.
    686 bytes (108 words) - 01:36, 16 December 2018
  • Portable
    ..., or is designed to be, run on different kinds of computers or [[operating system]]s (or both). For the former, it cannot be written in [[assembly language]] ...l-labs.com/usr/dmr/www/portpap.html Portability of C Programs and the UNIX System]
    1 KB (185 words) - 04:32, 30 January 2023
  • Telnet
    ...g system) as if they were using a terminal attached directly to the remote system. ...s, and a [[server]] (along with the necessary support from the [[operating system]]) on the remote computer.
    827 bytes (124 words) - 23:20, 9 June 2023
  • User interface
    A '''user interface''' is the way in which some system interacts with a [[user]]. Exactly how will depend on i) the [[hardware]] w
    945 bytes (130 words) - 18:21, 5 October 2023
  • Cursor
    ...linking, in able to allow the eye to locate them more easily. When using a system with a [[mouse]], the mouse usually controls the location of the cursor.
    462 bytes (70 words) - 17:19, 13 December 2018
  • H742 Power Supply
    ...r Supply''', and later revision '''H7420''', is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used with the [[BA11-F Mounting * [[H765 Power System]]
    3 KB (451 words) - 14:59, 10 July 2023
  • DEC standard modular regulators
    ...[[H742 Power Supply]] of the [[BA11-F Mounting Box]] and the [[H765 Power System]] of the [[BA11-K mounting box]]. (They are also occasionally found in othe ...nt|AC]] input), in that they take as input 30V AC supplied by the 'mother' system using a large (and heavy!) isolation/step-down transformer.
    4 KB (621 words) - 17:05, 10 July 2023
  • BA11-F Mounting Box
    ...unit]] [[backplane]]s, and could contain up to nine standard size (4-slot) system units, although typically the backplane used to hold the CPU was a 9-slot ( The system units were mounted vertically, facing sideways (unlike the later [[BA11-K m
    2 KB (327 words) - 03:15, 11 July 2023
  • MS11-P MOS memory
    ...] when an error occurs)--> and detects double-bit errors. On power-on, the system is frozen (via negation of the ACLO UNIBUS signal) while the entire memory
    2 KB (345 words) - 17:10, 18 August 2023
  • Old C Changes
    compilation) were actually available in the 6th Edition system, dence on system-specific naming conventions. The standard prefix
    15 KB (2,398 words) - 14:52, 16 January 2023
  • PDP-8/S
    | operating system =
    2 KB (253 words) - 14:10, 14 July 2023
  • Java
    ...; e.g. to restrict the ability to read and write [[file]]s on the [[host]] system.
    865 bytes (145 words) - 14:43, 19 October 2018
  • World Wide Web
    ...the '''WWW''' or '''Web''' for short) is an extremely large [[hypertext]] system which is the most-popular [[application]] on the [[Internet]] (to the point
    825 bytes (126 words) - 22:57, 29 January 2024
  • Baud rate
    ...[bit]]s), then the baud rate and the bit rate are identical. However, some system use more complex signalling, and each symbol might have, for example, 4 pot
    680 bytes (108 words) - 20:55, 13 December 2018
  • Graphical user interface
    The user interacts with the [[operating system]] and [[application]]s with a pointing input device, which is the main inpu The first GUI was associated with the [[SAGE]] air defense system; its precursor, [[Whirlwind]], hosted the genesis of the [[light pen]] (the
    2 KB (242 words) - 04:19, 4 October 2023
  • Whirlwind
    ...t simulator, but wound up being used to prototype the [[SAGE]] air defence system. ...e reader was also added later, as was a [[line printer]].) Eventually, the system was enhanced with a [[magnetic tape drive]] and a [[drum]]. A [[vector grap
    4 KB (603 words) - 19:28, 19 March 2024
  • CADR
    ...px|The Knight keyboard was used with the MIT-AI [[Incompatible Timesharing System|ITS]] machine and CADRs; this is a rendition of the layout]] ** [https://tumbleweed.nu/lm-3/history.html Lisp Machine System Release History]
    2 KB (249 words) - 17:14, 6 January 2024
  • H765 Power System
    The '''H765 Power System''' is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used in the [[BA11-K mounting b ...her sub-systems (such as the [[MJ11 memory system|MJ11]] and [[MK11 memory system]]s), other regulator configurations may be used (e.g. the MJ11 calls for tw
    2 KB (391 words) - 15:39, 10 July 2023
  • DEC power distribution connectors
    ...t Corporation|DEC]] [[PDP-11]] [[backplane]] [[system unit]]s use a common system of connectors to the [[power harness]] which leads from the [[power supply]
    4 KB (611 words) - 17:29, 15 July 2023
  • H744 +5V Regulator
    ...f/dec/pdp11/1140/1140_SystemManual.pdf PDP-11/40, -11/35 (21 inch chassis) system manual] (EK-11040-TM-002)- the H744 is covered in Section 6.4.3 (pp. 112-11 ...pdf/dec/pdp11/1140/PDP-1140_System_Engr_Drawings_Rev_P_Jun74.pdf PDP-11/40 system engineering drawings] - the H744 is covered on pp. 205-208 of the scanned v
    2 KB (324 words) - 17:24, 10 July 2023
  • H745 -15V Regulator
    ...f/dec/pdp11/1140/1140_SystemManual.pdf PDP-11/40, -11/35 (21 inch chassis) system manual] (EK-11040-TM-002)- the H745 is covered in Section 6.4.4 (pp. 114-11 ...pdf/dec/pdp11/1140/PDP-1140_System_Engr_Drawings_Rev_P_Jun74.pdf PDP-11/40 system engineering drawings] - the H745 is covered on pp. 209-208 of the scanned v
    1 KB (236 words) - 17:29, 10 July 2023
  • H754 +20V, -5V Regulator
    ...f/dec/pdp11/1140/1140_SystemManual.pdf PDP-11/40, -11/35 (21 inch chassis) system manual] (EK-11040-TM-002)- the H754 is covered in Section 6.4.4a (pg. 115 o
    2 KB (278 words) - 17:38, 10 July 2023
  • BA11-D Mounting Box
    ...A11-D mounting box''' was an early standard [[DEC card form factor|hex]] [[system unit]] [[backplane]] [[mounting box]]. One of the [[BA11 mounting boxes]], ...esigned for these spaces, and could contain up to 5 standard size (4-slot) system units.
    3 KB (499 words) - 03:12, 11 July 2023
  • Job
    ...[application]] together with its input data, often for a [[batch operating system]]. ...|CPU]] time, [[main memory]] usage, [[printer]] output, etc. An accounting system measured all the resources used in running a job, added up all the costs, a
    1 KB (235 words) - 02:25, 11 September 2022
  • Computer operator
    ...magnetic tape]]s and [[disk]] packs, and [[bootstrap]]ping the [[operating system]] after the machine crashed, or was powered on. ...ey had to know a fair amount - e.g. how to deal with a [[multi-processor]] system which had had one of the [[Central Processing Unit|CPU's]] fail, which woul
    875 bytes (140 words) - 01:35, 16 December 2018
  • Flow control
    ...to communicate), flow control is fairly simple to peform; the [[operating system]] monitors the amount of data in the stream, and blocks the sender when the
    2 KB (283 words) - 14:47, 18 October 2021
  • Database
    ...he data, and mediate access to it, is usually called a database management system, usually given as a 'DBMS'.
    376 bytes (61 words) - 14:07, 24 April 2024
  • End to end
    ...rms) to implement things such as reliabilty in a [[communication network]] system.
    807 bytes (129 words) - 22:28, 13 December 2018

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

Retrieved from "https://gunkies.org/wiki/Special:Search"