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  • RL01/02 disk drive
    | controller = [[RL11 disk controller|RL11]] ([[UNIBUS]])<br>[[RLV11 disk controller|RLV11]] and [[RLV12 disk controller|RLV12]] ( | head switch = 8 msec (maximum)
    8 KB (1,357 words) - 16:33, 18 August 2023
  • A UNIX™ Operating System for the DEC VAX-11/780 Computer
    ...ith the PDP-11 can quickly understand the differences. The VAX-11 provides UNIBUS and MASSBUS interfaces and uses the same input/output peripheral devices as * UNIBUS adaptor with DZ11 (8 RS-232C lines)
    49 KB (7,745 words) - 14:29, 6 May 2023
  • Setting up the Third Berkeley Software Tape
    UNIBUS<sup>1</sup> disks, but such tapes are inherently rather system specific, an <sup>1</sup> - DEC, VAX, UNIBUS and MASSBUS are trademarks of Digital Equipment Corporation.<br>
    42 KB (6,834 words) - 03:01, 17 January 2023
  • TS11 controller
    The '''TS11 controller''' was a [[UNIBUS]] [[magnetic tape controller]]s from [[Digital Equipment Corporation|DEC]]; ...y). The controller is designed for [[PDP-11]] and [[VAX]] computers with a UNIBUS.
    3 KB (369 words) - 20:54, 31 December 2023
  • TUK50 Host Adapter Module
    The '''TUK50 Host Adapter Module''' is a [[UNIBUS]] [[device controller]] for the [[TK50 Tape Drive|TK50]] [[magnetic tape dr [[Image:TUK50 M547 UNIBUS Controller Module and Cable.png|thumb|300px|left|thumb|TUK50 cabling]]
    2 KB (363 words) - 15:09, 24 April 2024
  • UDA50 Disk Controller
    ...[[Standard Disk Interconnect#SDI Family of DSA Products|SDI disks]] to a [[UNIBUS]]. ...DEC card form factor|hex]] (8.5” by 15.6”) cards, which a mounted in a UNIBUS [[backplane]] of a [[PDP-11]] or [[VAX]], and associated mounting hardware
    6 KB (980 words) - 10:55, 31 August 2023
  • CXY08 8-Line Asynchronous Multiplexer
    ...8-Line Asynchronous Multiplexer''' is a later [[QBUS]] equivalent to the [[UNIBUS]] [[DH11 asynchronous serial line interface|DH11]] (it is a replacement for Like the DHQ11, it can be set (via a switch) to exactly emulate either a [[DHV11 asynchronous serial line interface|DHV
    2 KB (238 words) - 12:05, 17 February 2023
  • TU10 DECmagtape
    ...etic Tape Control|TM10]] [[device controller|controller]]; to connect to [[UNIBUS]] [[PDP-11]]'s, one of the [[TM11 magtape controller|TM11 series]] of magta | W726 || 1 || 1 || Switch Filter
    9 KB (1,330 words) - 01:11, 10 February 2024
  • Setting up (BSD 4.0) the Fourth Berkeley Software Tape
    for systems with UNIBUS** disks, but such tapes are ** DEC, VAX, UNIBUS and MASSBUS are trademarks of Digi-
    57 KB (8,582 words) - 03:00, 17 January 2023
  • 4.2BSD driver for DEC Deuna Ethernet board
    ...vice driver]] for [[Digital Equipment Corporation|DEC]] [[Digital Ethernet UNIBUS Network Adapter|DEUNA]] [[Ethernet]] board; back in the [[Usenet]] days, th X * contains information about the UNIBUS resources held by the interface:
    35 KB (6,389 words) - 02:51, 16 January 2024
  • UNIX* System V and 4.1C BSD
    4. VAX, PDP, UNIBUS, MASSBUS, and SBI are Trademarks of necessary to turn the power switch on. (To get into single
    113 KB (13,419 words) - 02:06, 17 December 2018
  • M9301 ROM
    ...configuration. The M9301 also provided [[terminator|termination]] for the UNIBUS. ...wo top (AB) connectors]] of a [[Modified UNIBUS Device|MUD]] slot, or in a UNIBUS in/out slot.
    9 KB (1,304 words) - 19:41, 7 December 2021
  • BM873 ROM
    The '''BM873 ROM''' card was a [[UNIBUS]] [[Read-only memory|ROM]] card for the [[PDP-11]] series of computers; it ...ated power-fail restart, and then forcing the first two read cycles on the UNIBUS after the power-up to read data specially provided by the board.
    5 KB (756 words) - 01:02, 20 November 2021
  • KY11-LB Programmer's Console
    ...t]], and for the CPU to acknowledge that it has honoured that request. The UNIBUS SACK signal is also used as part of the halt functionality. Note that only the [[Modified Unibus Device|MUD]] backplanes ([[DD11-C backplane|DD11-C]], [[DD11-D backplane|DD
    7 KB (1,114 words) - 20:56, 24 October 2022
  • KTJ11-B UNIBUS adapter
    ...11-E CPU|KDJ11-E]] [[QBUS]] [[Central Processing Unit|CPU]] cards to add [[UNIBUS]] capability to systems built around those CPU cards, the [[PDP-11/84]] and ...in memory]] cards), a special slot in the middle for the KTJ11-B, and then UNIBUS slots.
    6 KB (1,060 words) - 16:35, 6 February 2024
  • KY11-LA Operator's Console
    * A three-position power switch ('DC On', 'DC Off', and 'Standby' - in the latter, power was supplied to th * A 'Halt'/'Continue' two-position toggle switch (in the first position, the [[Central Processing Unit|CPU]] was stopped)
    2 KB (358 words) - 18:29, 3 April 2022
  • M9312 ROM
    ...he M9312 also provided [[UNIBUS and QBUS termination|termination]] for the UNIBUS. ...|two top (AB) sections]] of a [[Modified UNIBUS Device|MUD]] slot, or in a UNIBUS in/out slot.
    7 KB (1,103 words) - 11:42, 3 April 2022
  • Able ENABLE
    ...ven in Able documentation as the '''EnABLE''' and '''ENABLE/34''') was a [[UNIBUS]] device which allowed the smaller [[PDP-11]]'s ([[PDP-11/34]] through [[PD ...t then produced cycles to relocated [[address]]es on a separate [[Extended UNIBUS]]; the latter could hold stock EUB memory cards, up to the 4MB standard on
    9 KB (1,569 words) - 15:47, 6 February 2024
  • UNIBUS Experimental Ethernet interface
    A '''UNIBUS Experimental Ethernet interface''' was produced in small numbers by [[Xerox ...form factor|hex]] [[printed circuit board|board]] which plugged into an [[UNIBUS]] [[Small Peripheral Controller|SPC]] slot; a [[flat cable]] led from a [[B
    4 KB (553 words) - 03:18, 13 January 2024
  • KD11-B CPU
    ...r ones is that the later ones (image at right) contain a circular selector switch in the upper left corner to select the baud rate of the built-in serial lin ...M7260 only supports 110 baud operation; the latter has a circular selector switch which allows operation at a range of speeds from 110 baud up to 2400 baud;
    11 KB (1,726 words) - 21:07, 2 July 2023
  • MM11-E and MM1-F core memories
    ...''MM11-F core memories''' were [[UNIBUS]] [[main memory]] units; the first UNIBUS memories produced by [[Digital Equipment Corporation|DEC]]. They came out w * 4 x G226 Decoder and Switch
    4 KB (667 words) - 19:53, 30 July 2023
  • PDP-11/74
    ...es) could not be shared (other than via [[software]], or use of a [[UNIBUS switch]]). [[Category: UNIBUS PDP-11s]]
    2 KB (257 words) - 22:57, 21 August 2021
  • RS64 disk drive
    | controller = [[RC11 disk controller|RC11]] ([[UNIBUS]]) head switch =
    2 KB (258 words) - 22:12, 14 August 2023
  • RS03/04 disk drive
    | controller = [[RH11 MASSBUS controller|RH11]] ([[UNIBUS]]), [[RH70 MASSBUS controller|RH70]], [[RH10 MASSBUS controller‎|RH10]] head switch =
    3 KB (488 words) - 18:37, 14 August 2023
  • Chaosnet interface
    [[Image:CH11-board.png|thumb|right|250px|CH11 Unibus board]] ...name) and '''QBCHNI''' are [[Chaosnet]] [[network interface]]s, for the [[UNIBUS]] and [[QBUS]] respectively. (The two [[device controller]]s are identical
    5 KB (709 words) - 18:28, 17 September 2023
  • KY11-A Programmer's Console
    ...]s; the 'Bus' light indicates that a [[peripheral]] is in control of the [[UNIBUS]], either for an [[interrupt]], or performing [[Direct Memory Access|DMA]]. The '[[Switch Register]]' is used to enter both addresses and data.
    2 KB (386 words) - 01:41, 6 July 2023
  • DM11-BA Modem Control Multiplexor
    ...rial line|synchronous]] and [[asynchronous serial line]]s connected to a [[UNIBUS]] [[device controller]] to be connected to [[modem]]s. It could be set to [ ...kplane]] like the -BB, the -BA plugs into a standard [[UNIBUS]] [[Modified UNIBUS Device|MUD]] slot. It is [[program compatible]] with the DM11-BB (although
    2 KB (268 words) - 02:40, 16 February 2023
  • Interlan NI1010A/NI2010A Ethernet Communications Controller
    [[Image:NI1010A.jpg|350px|right|thumb|NI1010A UNIBUS interface]] ...10A''' and '''NI2010A''' are [[Ethernet]] [[network interface]]s for the [[UNIBUS]] and [[QBUS]] respectively. (The two [[device controller]]s are very simil
    6 KB (797 words) - 21:11, 17 August 2022
  • DJ11 Asynchronous 16-Line Multiplexer
    The '''DJ11 Asynchronous 16-Line Multiplexer''' is a [[UNIBUS]] [[peripheral]] which provides up to 16 [[asynchronous serial line]]s. Bot could only be set with a pair of [[DIP switch]]es. A group of [[jumper]]s allowed configuration of separate input and out
    5 KB (694 words) - 11:36, 18 February 2023
  • DHQ11 asynchronous serial line interface
    ...ronous serial line interface''' is the second [[QBUS]] equivalent to the [[UNIBUS]] [[DH11 asynchronous serial line interface|DH11]] (it is a replacement for It can be set (via a switch) to exactly emulate either a DHV11 or [[DHU11 asynchronous serial line inte
    2 KB (383 words) - 11:47, 17 February 2023
  • MM11-B core memory
    ...a 8 Kbyte [[core memory|core]] [[main memory]] for the early [[PDP-11]] [[UNIBUS]] machines. An MM11-B was composed of two [[DEC card form factor‎|hex]] b ...11-B did not use a custom backplane; it plugged into a standard [[Modified UNIBUS Device|MUD slot]]. The pair was 'thick' enough that a normal board cannot b
    3 KB (462 words) - 00:45, 30 July 2023
  • MM11-C core memory
    ...a 16 Kbyte [[core memory|core]] [[main memory]] for the early [[PDP-11]] [[UNIBUS]] machines. An MM11-C was composed of two [[DEC card form factor‎|hex]] b ...11-C did not use a custom backplane; it plugged into a standard [[Modified UNIBUS Device|MUD slot]]. The pair was 'thick' enough that a normal board cannot b
    2 KB (414 words) - 00:46, 30 July 2023
  • KW11-W Watchdog Timer
    The '''KW11-W Watchdog Timer''' is a [[UNIBUS]] [[peripheral]] which monitors correct operation of a system; unless it is |Switch Relay Register || WDSRR || 772406
    2 KB (266 words) - 23:07, 5 November 2022
  • UNIBUS Device Addresses
    '''UNIBUS Device Address''' table; ranges given are inclusive, i.e. a block listed as ...a "17" prepended. A few QBUS [[device controller|devices]] do not exist in UNIBUS form, and are listed in their own right: such cases can be detected by the
    7 KB (927 words) - 11:26, 12 November 2021
  • KY11-J Programmer's Console
    ...itch does a variety of things, depending on the position the 'Enable/Halt' switch is in. In the Enable position, the CPU continues operating; in the Halt pos [[Category: UNIBUS PDP-11s]]
    2 KB (372 words) - 18:05, 25 January 2022
  • KY11-L to CPU interface
    ...console to request that the CPU [[halt]]; this is done with the standard [[UNIBUS]] [[signal]], SACK, and a pair of additional signals, Halt Request and Gran ...[[grant continuity card]]), the machine will irretrievably 'freeze'; see [[UNIBUS and QBUS termination#SACK turnaround and CPU hangs|SACK turnaround and CPU
    4 KB (650 words) - 16:50, 4 December 2022
  • DEC Semiconductor Chips
    | [[UNIBUS]] Request Logic [[#ref_12|[12]]][[#ref_14|[14]]] | CI-2 Switch Chip [[#ref_23|[23]]]
    36 KB (3,420 words) - 05:36, 5 November 2022
  • M7850 parity controller
    ...roller''' is an optional accessory for mid-period [[main memory]] on the [[UNIBUS]]; it provides byte [[parity]] for memory units (such as the [[MM11-D core ...wiring for parity and non-parity memory, no hardware changes are needed to switch from non-parity to parity memory with the M7850. When the M7850 is inserted
    3 KB (434 words) - 00:07, 20 April 2024
  • UA11 Unibus Analyzer
    [[Image:UA11UnibusAnalyzer.jpg|250px|thumb|right|UA11 Unibus Analyzer]] ...ted by a member of the vintage computer community to help with debugging [[UNIBUS]] problems.
    1 KB (174 words) - 15:31, 9 April 2022
  • VAX-11/750 & VAX-11/751 Revision Control
    6.4 DW750 - Second Unibus The implementation of the SID switch reverses the bit positions of
    101 KB (10,182 words) - 14:04, 2 July 2022
  • VAX-11/730 Revision Control
    potential system hang with high unibus activity, going from standby to local on front panel switch.
    38 KB (3,857 words) - 14:02, 2 July 2022
  • VAX-11/785 Revision Control
    |DW780 | UNIBUS ADAPTOR | 01,C1+| 01,C1 | 01,C1 | 01,C1 | |DW780 | UNIBUS ADAPTOR | 01,C1+| 01,C1 | 01,C1 | |
    118 KB (7,116 words) - 14:05, 2 July 2022
  • VAX-11/780 & VAX-11/782 Revision Control
    5.7 DW780 - Unibus Adapter 5.7 DW780 11780 UNIBUS ADAPTER
    70 KB (7,782 words) - 14:04, 2 July 2022
  • Advanced Installation of Ultrix V2.0 on SIMH
    * [[Digital Ethernet UNIBUS Network Adapter|DEUNA]] Ethernet Controller To avoid having to reboot, we switch to Single User Mode now - returning to Multiuser Mode will activate the new
    73 KB (9,059 words) - 20:56, 22 May 2023
  • DMR11 Synchronous Controller
    ...single-line [[synchronous serial line]] [[peripheral|interface]] for the [[UNIBUS]]. It uses [[Direct Memory Access|DMA]] to transfer data to and from [[main ...03), which can be configured to one of 4 choices via [[jumper]]s and [[DIP switch]]es, one of:
    2 KB (315 words) - 23:54, 13 May 2023
  • DMP11 Synchronous Controller
    ...multi-point [[synchronous serial line]] [[peripheral|interface]] for the [[UNIBUS]]. It uses [[Direct Memory Access|DMA]] to transfer data to and from [[main ...03), which can be configured to one of 4 choices via [[jumper]]s and [[DIP switch]]es, one of:
    2 KB (277 words) - 00:21, 14 May 2023
  • Installing ULTRIX-11 V1.0 on SIMH
    === Switch to Multi-User Mode === rh11 pdp11 unibus RM02, RP04/5/6, ML11, RS03/4
    33 KB (4,919 words) - 12:31, 21 June 2023
  • KY11-D Programmer's Console
    ...itch does a variety of things, depending on the position the 'Enable/Halt' switch is in. In the Enable position, the CPU continues operating; in the Halt pos [[Category: UNIBUS PDP-11s]]
    2 KB (397 words) - 20:32, 30 June 2023
  • MRV11-D Universal Programmable Read-Only Memory
    ...ted. Configuration is done with a combination of [[jumper]]s and two [[DIP switch]]es. ...BUS, or through two independent 2KB windows (somewhat like later, larger [[UNIBUS]] ROM cards). The MRV11-A was a [[DEC card form factor|dual]]-height card,
    1 KB (176 words) - 18:37, 19 July 2023
  • MIT UNIBUS XGP interface
    [[Image:MITXGP.jpg|thumb|rigt|300px|UNIBUS XGP interface (at the top of its controlling PDP-11, at right) along with t The '''MIT UNIBUS XGP interface''' was a one-off [[UNIBUS]] [[peripheral]] which drove a [[Xerox Graphics Printer]], the earliest [[r
    5 KB (869 words) - 13:30, 27 February 2024
  • ITS machine configurations
    *** [[MIT UNIBUS XGP interface|XGP interface]] *** [[UNIBUS Experimental Ethernet interface]]
    6 KB (863 words) - 15:11, 24 April 2024
  • Knight TV system
    ...ne of the very first [[bit-mapped display]] systems. It consisted of two [[UNIBUS]] [[device]]s, built onto a [[PDP-11/10]] (the 'TV-11'), which was connecte ...ependent [[frame buffer]]s. The outputs from these were run into a [[video switch]], which could drive up to 63 stations (about 30 were actually installed, o
    3 KB (482 words) - 18:06, 20 March 2024
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