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• Camintonn CMV-504
  For QBUS Block Mode enabled: jumper "T" is installed; for QBUS Block Mode disabled, jumper "S" is installed instea ...addresses of 8KB, 16KB, 32KB, and 64KB respectively: thus a board starting at 8KB would have all jumpers removed except J16.
  4 KB (736 words) - 02:48, 14 December 2020
• DEC alphabet
  A,B,C,D,E,F,H,J,K,L,M,N,P,R,S,T,U,V It stops at 'V' because [[FLIP CHIP]]s, and later boards in that system, only had 18 co
  720 bytes (132 words) - 15:42, 8 August 2023
• DEC asynchronous serial line pinout
  ...-pin Berg/DuPont female 'header' (on the board; male pins), when looking ''at'' the header face-on (from the side the connector shell on the cable will b When looking at a male connector shell (female pins) for the wire, from the side which goes
  7 KB (1,240 words) - 01:17, 16 June 2022
• PDP-11 Memory Management
  ...e, when memory management is enabled; this allows bad physical main memory at [[absolute address]] 0 to be bypassed, if it is failing. | Don't Cache || colspan=7 | Length || Trapped || Written || colspan=2 | Unused ||
  9 KB (1,311 words) - 18:10, 2 July 2023
• KT11-B Technical Manual
  ...not have the usual [[DEC]] Technical Manual. This page attempts to provide at least the high-level portions of such a manual. The prints use an unusual symbol for an SR flop, with the Q outputs at the top (shown here).
  31 KB (4,983 words) - 18:22, 2 July 2023
• KDF11-U CPU
  ...ints, 'Fonz Chips'). There is also minimal use of -12V (produced from -15V at top center of page K12): [[Universal Asynchronous Receiver/Transmitter|UART ...em to have it. It apparently substituted a [[transceiver]] DS8641 [[gate]] at E52 (on page K6) for the receiver E70 (also on K6) connected to bus line 'A
  6 KB (1,087 words) - 16:16, 6 February 2024
• TeleVideo TPC-1
  ...s rumoured to have been intentional). Reassembly is challenging, too, but at least one can see what is happening. ...(i.e. operating position), there are two screws on the top of the machine at the front corners, and two others on the rear, vertically centered and near
  2 KB (426 words) - 19:39, 13 January 2024
• Installing UNIX Sixth Edition
  ...ock, with file-names which are random binary (from the tape bootstrap) don't match any actual file names, and are therefore ignored. ...input a file-name, for installing UNIX, normally 'xxyy' as above, entered at the console. It then reads the tp-format directory off the tape, and looks
  6 KB (1,013 words) - 20:58, 28 June 2024
• LINC
  ...ct well with Lincoln Labs' Air Force funding); after a big political fight at MIT over control, the project moved out to Washington University in St. Lou * LINC at Bitsavers:
  3 KB (487 words) - 01:35, 28 February 2024
• Meta-stability
  ..., after the usual [[propagation delay]]. However, if several inputs change at the same time (i.e. a [[race]] condition), if the timing in the race is per ...es (in time and/or the logic) where the meta-stability which may ensue isn't harmful.
  4 KB (643 words) - 02:11, 28 February 2024
• Universal Asynchronous Receiver/Transmitter
  With increased speeds, besides locking the DCE-DTE rate at 2x the communication rate, UART chips would need to increase their local [[ ...hments/article/143/UART%20AY-5-1013.pdf General Instruments AY-5-1013A UAR/T: Universal Asynchronous Receiver/Transmitter]
  3 KB (412 words) - 15:03, 23 May 2022
• Unix Eighth Edition
  ...ased" is too strong a word. They just signed a letter saying that they won't sue for the release of v8-v10 [[UNIX]]. The letter can be read [http://www. mcr0 at tr1
  4 KB (578 words) - 18:00, 12 December 2023
• Visual C++ 2.0
  .... Visual C++ 2.0 was followed by 2.1 and 2.2. 2.2 was the current release at the time of Windows 95's launch, so changes between these releases was pri /C don't strip comments /FI<file> name forced include file
  6 KB (766 words) - 02:02, 17 December 2018
• Visual C++ 1.5
  /AH huge model /AT tiny model (.COM files) /C don't strip comments /D<name>[=|#text] define macro
  8 KB (976 words) - 02:02, 17 December 2018
• VAX 8600
  | Console-processor = T-11 [[#ref_1|[1]]] ...0]]. It was intended to offer several times the performance of the 11/780, at roughly the same price. It could be field-upgraded to a [[VAX 8650]].
  2 KB (203 words) - 22:15, 19 May 2024
• Assembly language
  ...be modified as the program is changed (changing the [[absolute address]]es at which their targets reside).
  1 KB (167 words) - 00:30, 20 June 2023
• Unix SYSVr4
  | creator = AT&T, et al. ...ncluding technologies from multiple companies, being a joint project of AT&T USL and Sun Microsystems. It was licensed into many versions such as [[AMIX
  675 bytes (106 words) - 04:19, 17 December 2018
• Ethernet
  ...uipment Corporation|DEC]], [[Intel]] and [[Xerox]] (hence its common label at the time, '''DIX Ethernet''', from the initials of the partners); it was f ...t see 'Parameter contention' below). Follow-on versions have been produced at 100 and 1000 ('Gigabit Ethernet') Mbits/second.
  8 KB (1,199 words) - 22:00, 5 October 2023
• TENEX
  ...r the same purpose). (The lack of a DEC [[mainframe]] with virtual memory, at the time, was the primary driver for the creation of TENEX.) ...ents that turned the [[SDS 930|930]] into the 940, came from Project Genie at UC Berkeley.
  6 KB (957 words) - 18:28, 28 June 2024
• H960 rack
  Under the main part of the cabinet, and also at the tips of the 'stabilizer feet' (DEC's official name for the extension fe The small ones at the tips of the extension feet are 5/16"-18 thread, and a suitable replacme
  3 KB (440 words) - 16:54, 22 April 2024

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