PDP-11 - Revision history

Zaphod: /* Operating Systems */

2026-11-15T02:56:33Z

Operating Systems

← Older revision		Revision as of 02:56, 15 November 2026
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	This was the first shipping Unix distro by AT&T. It only supported the PDP-11 and [[VAX]] computers.		This was the first shipping Unix distro by AT&T. It only supported the PDP-11 and [[VAX]] computers.

			* [[1 BSD]]

			This version is the first release from [[CSRG]], it was a software addon patch for [[UNIX Sixth Edition]] and can't be used as a standalone [[Operating System]].

	* [[2.9 BSD]]		* [[2.9 BSD]]

Vaxorcist: /* DEC OS's */ "TRAX" added

2026-09-16T07:54:57Z

DEC OS's: "TRAX" added

← Older revision		Revision as of 07:54, 16 September 2026
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	* [[RT-11]]		* [[RT-11]]
	* [[Interactive Application System\|IAS]]		* [[Interactive Application System\|IAS]]
			* [[TRAX]]

	Technically also an OS is [[XXDP diagnostic package\|XXDP]], which is an 'overseer' for running the PDP-11 [[diagnostic]]s produced/provided by DEC.		Technically also an OS is [[XXDP diagnostic package\|XXDP]], which is an 'overseer' for running the PDP-11 [[diagnostic]]s produced/provided by DEC.

Jnc: /* External links */ + PDP-11 Systems & Options Catalog

2024-10-12T09:45:10Z

External links: + PDP-11 Systems & Options Catalog

← Older revision		Revision as of 09:45, 12 October 2024
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	* [http://www.bitsavers.org/pdf/dec/pdp11/ PDP11] - Documentation at [[Bitsavers]]		* [http://www.bitsavers.org/pdf/dec/pdp11/ PDP11] - Documentation at [[Bitsavers]]
			** [http://www.bitsavers.org/pdf/dec/pdp11/catalogs/ED-25116-18_PDP-11_Systems_and_Options_Catalog_Jul83.pdf PDP-11 Systems & Options Catalog] (July-September 1983) - late in the run, but a voluminous look at what was available at that time
	** [http://www.bitsavers.org/pdf/dec/pdp11/memos/ memos] - Interesting internal DEC memos about the PDP-11		** [http://www.bitsavers.org/pdf/dec/pdp11/memos/ memos] - Interesting internal DEC memos about the PDP-11
	*** [http://www.bitsavers.org/pdf/dec/pdp11/memos/690111_How_Good_Is_The_PDP-11.pdf How Good is the PDP-11?] - interesting early comparison with competitors		*** [http://www.bitsavers.org/pdf/dec/pdp11/memos/690111_How_Good_Is_The_PDP-11.pdf How Good is the PDP-11?] - interesting early comparison with competitors
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	* [https://pdp-11.org/ PDP-11 history and links to materials]		* [https://pdp-11.org/ PDP-11 history and links to materials]
	* [https://www.pdp-11.nl/ Henk's DIGITAL computer room] - an amazing collection of PDP-11's		* [https://www.pdp-11.nl/ Henk's DIGITAL computer room] - an amazing collection of PDP-11's
			* [https://www.computercollection.net/pdp11/index.htm The PDP-11 Family] - another significant collection
	* [https://arstechnica.com/gadgets/2022/03/a-brief-tour-of-the-pdp-11-the-most-influential-minicomputer-of-all-time/ A brief tour of the PDP-11, the most influential minicomputer of all time] - has some minor errors, but generally good		* [https://arstechnica.com/gadgets/2022/03/a-brief-tour-of-the-pdp-11-the-most-influential-minicomputer-of-all-time/ A brief tour of the PDP-11, the most influential minicomputer of all time] - has some minor errors, but generally good
	* [https://gordonbell.azurewebsites.net/Digital/PDP11_Arch_Enhance_Strategy_75.pdf Proposal for PDP-11 I/O Architecture]		* [https://gordonbell.azurewebsites.net/Digital/PDP11_Arch_Enhance_Strategy_75.pdf Proposal for PDP-11 I/O Architecture]

Jnc: /* DEC OS's */ dab IAS

2024-08-29T17:57:34Z

DEC OS's: dab IAS

← Older revision		Revision as of 17:57, 29 August 2024
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	* [[RSTS/E]] - a descendant of [[RSTS-11]]		* [[RSTS/E]] - a descendant of [[RSTS-11]]
	* [[RT-11]]		* [[RT-11]]
	* [[IAS]]		* [[Interactive Application System\|IAS]]

	Technically also an OS is [[XXDP diagnostic package\|XXDP]], which is an 'overseer' for running the PDP-11 [[diagnostic]]s produced/provided by DEC.		Technically also an OS is [[XXDP diagnostic package\|XXDP]], which is an 'overseer' for running the PDP-11 [[diagnostic]]s produced/provided by DEC.

Vaxorcist: /* PDP-11 Models and notes */ Link from "Split I & D" heading to "PDP-11 Memory Management" added

2024-08-16T17:34:16Z

PDP-11 Models and notes: Link from "Split I & D" heading to "PDP-11 Memory Management" added

← Older revision		Revision as of 17:34, 16 August 2024
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	{\| class="wikitable"		{\| class="wikitable"
	! Model !! Introduced !! Bus Type !! Addressing !! Split I & D !! Notes !! Speed (VUPS)		! Model !! Introduced !! Bus Type !! Addressing !! [[PDP-11 Memory Management\|Split I & D]] !! Notes !! Speed (VUPS)
	\|-		\|-
	\| [[PDP-11/20\|11/20]] \|\| 1969[1] \|\|[[UNIBUS]] \|\| 16-bit \|\| no \|\| \|\|		\| [[PDP-11/20\|11/20]] \|\| 1969[1] \|\|[[UNIBUS]] \|\| 16-bit \|\| no \|\| \|\|

Jnc: /* See also */ +peripherals

2024-07-25T13:31:28Z

Jnc: /* Further reading */ +PDP-11 Family Differences

2024-07-25T13:29:01Z

Further reading: +PDP-11 Family Differences

← Older revision		Revision as of 13:29, 25 July 2024
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	* [[List of VAX models with PDP-11 compatibility mode]]		* [[List of VAX models with PDP-11 compatibility mode]]
	* [[PDP11GUI]]		* [[PDP11GUI]]

			==Further reading==

			* ''PDP-11 Family Differences'', [[MicroNote]] #053

	==External links==		==External links==

Jnc: /* External links */ +PDP-11 archives at metalab.unc.edu

2024-07-23T17:00:41Z

External links: +PDP-11 archives at metalab.unc.edu

← Older revision		Revision as of 17:00, 23 July 2024
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	* [[PDP-11 architecture]]		* [[PDP-11 architecture]]
	* [[PDP-11 Memory Management]]		* [[PDP-11 Memory Management]]
			* [[MicroNote]]s
	* [[UNIBUS memories]]		* [[UNIBUS memories]]
	* [[QBUS memories]]		* [[QBUS memories]]
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	** [http://www.bitsavers.org/pdf/dec/pdp11/memos/ memos] - Interesting internal DEC memos about the PDP-11		** [http://www.bitsavers.org/pdf/dec/pdp11/memos/ memos] - Interesting internal DEC memos about the PDP-11
	*** [http://www.bitsavers.org/pdf/dec/pdp11/memos/690111_How_Good_Is_The_PDP-11.pdf How Good is the PDP-11?] - interesting early comparison with competitors		*** [http://www.bitsavers.org/pdf/dec/pdp11/memos/690111_How_Good_Is_The_PDP-11.pdf How Good is the PDP-11?] - interesting early comparison with competitors
	* [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/micronotes/numerical/ Micronotes] - internal DEC technical memos about various PD-11 topics
	* [https://gordonbell.azurewebsites.net/Digital/PDP%2011%20Handbook%201969.pdf PDP-11 Handbook (1969)]		* [https://gordonbell.azurewebsites.net/Digital/PDP%2011%20Handbook%201969.pdf PDP-11 Handbook (1969)]
	* [http://s3data.computerhistory.org/brochures/dec.pdp-11.1977.102646131.pdf PDP-11 Variations on a Theme] - marketing brochure from DEC		* [http://s3data.computerhistory.org/brochures/dec.pdp-11.1977.102646131.pdf PDP-11 Variations on a Theme] - marketing brochure from DEC
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	* [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Models.html PDP-11 Recognition] - Illustrated guide to identifying PDP-11 models		* [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Models.html PDP-11 Recognition] - Illustrated guide to identifying PDP-11 models
	* [http://pdp-11.trailing-edge.com/ The PDP-11 archives] - miscellaneous software, links <!-- http://www.bitsavers.org/pdp-11.trailing-edge.com/ -->		* [http://pdp-11.trailing-edge.com/ The PDP-11 archives] - miscellaneous software, links <!-- http://www.bitsavers.org/pdp-11.trailing-edge.com/ -->
	* [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/ PDP-11 hardware] - large collection of odds and ends		* [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/ The PDP-11 archives at metalab.unc.edu]
			** [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/ PDP-11 hardware] - large collection of odds and ends
	* [https://hampage.hu/pdp-11/ PDP-11]		* [https://hampage.hu/pdp-11/ PDP-11]
	** [https://hampage.hu/pdp-11/main.html The Pre-Life of a Legend is another Legend]		** [https://hampage.hu/pdp-11/main.html The Pre-Life of a Legend is another Legend]
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	==References==		==References==

	* [http://vintagecomputer.net/digital/PDP11-20/PDP11_Price-List_19691215.pdf PDP-11/20 Price List]		# [http://vintagecomputer.net/digital/PDP11-20/PDP11_Price-List_19691215.pdf PDP-11/20 Price List]

	{{PDP-11}}		{{PDP-11}}

Jnc: /* External links */ +trailing-edge.com PDP-11 archives

2024-04-23T14:03:14Z

External links: +trailing-edge.com PDP-11 archives

← Older revision		Revision as of 14:03, 23 April 2024
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	* [https://gordonbell.azurewebsites.net/CGB%20Files/New%20Architecture%20PDP11%20SJCC%201970%20c.pdf A new architecture for mini-computers - The DEC PDP-11] - the [[AFIPS]] paper which introduced the PDP-11		* [https://gordonbell.azurewebsites.net/CGB%20Files/New%20Architecture%20PDP11%20SJCC%201970%20c.pdf A new architecture for mini-computers - The DEC PDP-11] - the [[AFIPS]] paper which introduced the PDP-11
	* [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Models.html PDP-11 Recognition] - Illustrated guide to identifying PDP-11 models		* [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Models.html PDP-11 Recognition] - Illustrated guide to identifying PDP-11 models
			* [http://pdp-11.trailing-edge.com/ The PDP-11 archives] - miscellaneous software, links <!-- http://www.bitsavers.org/pdp-11.trailing-edge.com/ -->
	* [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/ PDP-11 hardware] - large collection of odds and ends		* [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/ PDP-11 hardware] - large collection of odds and ends
	* [https://hampage.hu/pdp-11/ PDP-11]		* [https://hampage.hu/pdp-11/ PDP-11]

Jnc: /* External links */ +PDP-11 hardware

2024-04-23T13:40:00Z

External links: +PDP-11 hardware

← Older revision		Revision as of 13:40, 23 April 2024
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	* [https://gordonbell.azurewebsites.net/CGB%20Files/New%20Architecture%20PDP11%20SJCC%201970%20c.pdf A new architecture for mini-computers - The DEC PDP-11] - the [[AFIPS]] paper which introduced the PDP-11		* [https://gordonbell.azurewebsites.net/CGB%20Files/New%20Architecture%20PDP11%20SJCC%201970%20c.pdf A new architecture for mini-computers - The DEC PDP-11] - the [[AFIPS]] paper which introduced the PDP-11
	* [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Models.html PDP-11 Recognition] - Illustrated guide to identifying PDP-11 models		* [http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Models.html PDP-11 Recognition] - Illustrated guide to identifying PDP-11 models
			* [https://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/ PDP-11 hardware] - large collection of odds and ends
	* [https://hampage.hu/pdp-11/ PDP-11]		* [https://hampage.hu/pdp-11/ PDP-11]
	** [https://hampage.hu/pdp-11/main.html The Pre-Life of a Legend is another Legend]		** [https://hampage.hu/pdp-11/main.html The Pre-Life of a Legend is another Legend]

← Older revision		Revision as of 13:31, 25 July 2024
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	* [[UNIBUS memories]]		* [[UNIBUS memories]]
	* [[QBUS memories]]		* [[QBUS memories]]
			* [[UNIBUS peripherals]]
			* [[QBUS peripherals]]
	* [[UNIBUS boot ROMs]]		* [[UNIBUS boot ROMs]]
	* [[QBUS boot ROMs]]		* [[QBUS boot ROMs]]