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• DEC edge connector contact identification
  ...A-F (for smaller cards, see below). The groups are often called 'rows' in DEC documentation; the term 'slots' is also used, but this is confusing, becaus Within each row, the individual contacts are 'numbered' from the [[DEC Alphabet]]; those on the component side are further numbered '1', and those
  2 KB (338 words) - 18:20, 16 May 2020
• TX-2
  ...e he helped create the descendant [[LINC tape]] system; he then moved to [[DEC]], where he helped create [[DECtape]], very similar to LINCtape. ..., J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978
  2 KB (346 words) - 22:11, 3 March 2024
• TX-0
  ..., J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978 - Some material on the TX-0,
  5 KB (764 words) - 00:25, 20 March 2024
• PDP-1
  ...d [[instruction]]s to perform multiplication and division at high speed in hardware (previously, they had been done in software [[subroutine]]s, albeit with su They were built out of DEC's [[System Module|System Building Blocks]]
  4 KB (536 words) - 23:18, 27 February 2024
• PDP-5
  ...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
• VT52
  ...' was a very popular [[video terminal]] by [[Digital Equipment Corporation|DEC]], introduced 1975. The [[cathode ray tube|CRT]] displays 24 lines of 80 ch * [http://www.bitsavers.org/pdf/dec/terminal/vt52/ VT52] - documentation at [[Bitsavers]]
  4 KB (577 words) - 12:26, 16 January 2024
• UNIBUS Experimental Ethernet interface
  The [[network interface]] was a [[DEC card form factor|hex]] [[printed circuit board|board]] which plugged into a ...) was set by a [[Dual Inline Package|DIP]] switch on the card. Also, the [[hardware]] did not fill in the source address in the packet [[header]], the [[device
  4 KB (553 words) - 03:18, 13 January 2024
• MINITS
  ==Hardware== [[Category: Non-DEC Operating Systems]]
  3 KB (347 words) - 08:50, 27 February 2024
• KD11-B CPU
  ...as a two-board [[microcode|micro-programmed]] processor contained on two [[DEC card form factor|hex]] cards. The basic micro-code was 40 bits wide, includ Like other early, low-cost PDP-11s, it did not support either hardware [[floating point]], or [[PDP-11 Extended Instruction Set|EIS]]. It did incl
  11 KB (1,726 words) - 21:07, 2 July 2023
• Camexec
  ...is feature to write a process that emulated DEC's DOS so that we could use DEC's code to do things like run the assembler and compilers. ...ee blocks seem like they were in use; SALV fixed that. But barring bugs or hardware failures, the disk data structures wouldn't get corrupted if SALV weren't r
  3 KB (544 words) - 01:12, 1 April 2024
• Commercial Instruction Set
  ...t Corporation|DEC]]'s [[VAX]] line of computers, the early models included hardware support for the VAX [[architecture]]'s Commercial Instruction Set, but this
  683 bytes (91 words) - 02:03, 16 December 2018
• FP11-F Floating-Point Processor
  ...It implements the full [[FP11 floating point]]; it consists of a single [[DEC card form factor|hex]] card (the '''M7093'''), which plugs into a dedicated * [http://bitsavers.org/pdf/dec/pdp11/1144/EK-FP11F-TM-002_Nov79.pdf FP11-F floating-point processor techni
  961 bytes (149 words) - 02:20, 13 October 2022
• KD11-Z CPU
  ==Hardware Details== The basic KD11-Z CPU consisted of five [[DEC card form factor|hex]] boards:
  4 KB (668 words) - 15:59, 6 February 2024
• SITS
  ...y, SITS reputation for being unstable was unwarranted, and partly due to a hardware problem. From one of the then-undergrads at CCC: === Hardware support ===
  7 KB (1,015 words) - 22:43, 15 March 2024
• VT11 Graphic Display Processor
  ...[vector graphics]] [[video terminal]] from [[Digital Equipment Corporation|DEC]]. It was a [[UNIBUS]] device, which used [[Direct Memory Access|DMA]] to r It was capable of displaying text (using a built-in [[hardware]] [[character generator]]), vectors (solid, dashed, and dot-dash), and poin
  2 KB (233 words) - 12:42, 27 February 2024
• Negative logic
  ...hese levels are found in the [[input/output|I/O]] [[bus]]ses of some early DEC computers, such as early [[PDP-8 family|PDP-8]]'s. [[Category: Hardware Basics]]
  750 bytes (122 words) - 22:24, 22 November 2019
• Front panel
  * [[DEC indicator panel]] [[Category: Hardware Basics]]
  1 KB (201 words) - 01:04, 22 January 2024
• FPF11 floating point processor
  It is a [[DEC card form factor|quad]] [[printed circuit board|board]] (the M8188) which p ...The FPF11 contains [[microcode]] to control both the main CPU, and the [[hardware]] on the FPF11. The main CPU is sent [[no-op]] microinstructions when there
  2 KB (383 words) - 02:31, 12 October 2022
• LSI-11 chip set
  Chip numbers of the form 23-xxxxx-rr, etc are [[DEC part number]]s (where 'rr' seems to represent a revision number - 0, if not The Data Path chip is a 1611H (various DEC part numbers), and the Control chip is a 2007C (ditto); the uROM chips are
  5 KB (773 words) - 22:42, 20 December 2023
• DIBOL
  ...was a [[programming language]] created by [[Digital Equipment Corporation|DEC]] in the late 1960's for business [[application]]s. ...f [[RSTS]] provided time-sharing for [[BASIC]] users on machines without [[hardware]] support for time-sharing).
  1 KB (201 words) - 16:21, 16 October 2019

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