System Module - Revision history

Jnc: /* Further reading */ Add online copy

2024-03-06T13:51:52Z

Jnc: /* Further reading */ +Several more

2024-03-05T20:26:09Z

Jnc: /* Further reading */ +DEC Building Block Logic

2024-03-04T01:17:09Z

Further reading: +DEC Building Block Logic

← Older revision		Revision as of 01:17, 4 March 2024
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	* ''System Modules'', Digital Equipment Corporation, Maynard, 1964		* ''System Modules'', Digital Equipment Corporation, Maynard, 1964
			* [https://archive.computerhistory.org/resources/access/text/2013/06/102688924-05-01-acc.pdf ''DEC Building Block Logic''], Digital Equipment Corporation, Maynard, 1960

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

Jnc: /* External links */ 2 more at Bitsavers

2022-11-02T22:32:57Z

External links: 2 more at Bitsavers

← Older revision		Revision as of 22:32, 2 November 2022
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	==External links==		==External links==

	* [http://www.bitsavers.org/pdf/dec/modules/DEC_System_Modules_Jan68.pdf ''System Modules''], Digital Equipment Corporation, Maynard, 1968 (C-100)
	* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978		* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978
			* [http://www.bitsavers.org/pdf/dec/modules/ modules] - System Module documentation at [[Bitsavers]]
			** [http://www.bitsavers.org/pdf/dec/modules/DEC_System_Modules_Jan68.pdf ''System Modules''], Digital Equipment Corporation, Maynard, 1968 (C-100)
			** [http://www.bitsavers.org/pdf/dec/modules/1051-4153_SysModuleSchems.pdf System Module Schematics]

	[[Category: Digital Equipment Corporation]]		[[Category: Digital Equipment Corporation]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]

Jnc: +minor clarifications, links

2022-08-08T12:30:14Z

+minor clarifications, links

← Older revision		Revision as of 12:30, 8 August 2022
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	[[Image:PDP-6 mod end.jpg\|thumb\|right\|250px\|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvaged from it]]		[[Image:PDP-6 mod end.jpg\|thumb\|right\|250px\|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvaged from it]]

	'''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[Digital Equipment Corporation\|DEC]] modular [[digital]] [[logic]] family which preceded the later [[FLIP CHIP]]s. They were used to construct all DEC's computers from the [[PDP-1]] through the [[PDP-7]] (which also used FLIP CHIPs).		'''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[Digital Equipment Corporation\|DEC]] modular [[digital]] [[logic]] family which preceded the later [[FLIP CHIP]]s. They were used to construct all DEC's computers from the [[PDP-1]] through the [[PDP-7]] (which also used some FLIP CHIPs).

	They connected to the units they were plugged into via a set of 22 gold-plated discrete pins along one edge. They used [[transistor]] inverter [[circuit]]s, with the transistors operating saturated, to avoid dependence on tight tolerances; they ran off -3V. Intended for prototyping as well as production, they included design features intended to avoid damage. They came with design advice which included loading rules, and wiring instructions.		They connected to the units they were plugged into via a set of 22 gold-plated discrete pins along one edge. They used [[transistor]] inverter [[circuit]]s, with the transistors operating saturated, to avoid dependence on tight tolerances; they ran off a supply [[voltage]] of -3V. Intended for prototyping as well as production, they included design features intended to avoid damage. They came with design advice which included loading rules, and wiring instructions.

	They were available in three compatible speed lines:		They were available in three compatible speed lines:
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	* 6000-Series: higher speeds, 5 MHz to 10 Mhz		* 6000-Series: higher speeds, 5 MHz to 10 Mhz

	In addition, special modules were available for purposes such as I/O converters (to standard internal voltages), bus drivers, lamp and solenoid drivers, A/D conversion, relays, [[core memory]] drivers, etc.		In addition, special modules were available for purposes such as I/O converters (to standard internal voltages), [[bus]] drivers, lamp and solenoid drivers, A/D conversion, relays, [[core memory]] drivers, etc.

	Larger assemblies which were part of the same family provided core memory testing devices, and there were also power supplies, mounting panels with slots for the modules, cabinets to hold groups of mounting panels,indicator light panels, etc, etc.		Larger assemblies which were part of the same family provided core memory testing devices, and there were also [[power supply\|power supplies]], mounting panels with slots for the modules, cabinets to hold groups of mounting panels, indicator light panels, etc, etc.

	==Further reading==		==Further reading==

Jnc: use other img

2022-04-11T12:45:40Z

use other img

← Older revision		Revision as of 12:45, 11 April 2022
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	[[Image:PDP-6 mod ~~top~~.jpg\|thumb\|right\|~~300px~~\|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvaged from it]]		[[Image:PDP-6 mod end.jpg\|thumb\|right\|250px\|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvaged from it]]

	'''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[Digital Equipment Corporation\|DEC]] modular [[digital]] [[logic]] family which preceded the later [[FLIP CHIP]]s. They were used to construct all DEC's computers from the [[PDP-1]] through the [[PDP-7]] (which also used FLIP CHIPs).		'''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[Digital Equipment Corporation\|DEC]] modular [[digital]] [[logic]] family which preceded the later [[FLIP CHIP]]s. They were used to construct all DEC's computers from the [[PDP-1]] through the [[PDP-7]] (which also used FLIP CHIPs).

Jnc: /* External links */ +System Modules

2022-01-09T20:20:11Z

External links: +System Modules

← Older revision		Revision as of 20:20, 9 January 2022
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	==External links==		==External links==

			* [http://www.bitsavers.org/pdf/dec/modules/DEC_System_Modules_Jan68.pdf ''System Modules''], Digital Equipment Corporation, Maynard, 1968 (C-100)
	* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978		* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978

	[[Category: Digital Equipment Corporation]]		[[Category: Digital Equipment Corporation]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]

Jnc: /* External links */ link to relevant chapter in 'Computer Engineering'

2021-12-09T13:43:16Z

External links: link to relevant chapter in 'Computer Engineering'

← Older revision		Revision as of 13:43, 9 December 2021
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	* ''System Modules'', Digital Equipment Corporation, Maynard, 1964		* ''System Modules'', Digital Equipment Corporation, Maynard, 1964

			==External links==

			* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978

	[[Category: Digital Equipment Corporation]]		[[Category: Digital Equipment Corporation]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]

Jnc: +cat

2020-12-02T05:06:43Z

+cat

← Older revision		Revision as of 05:06, 2 December 2020
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	* ''System Modules'', Digital Equipment Corporation, Maynard, 1964		* ''System Modules'', Digital Equipment Corporation, Maynard, 1964

			[[Category: Digital Equipment Corporation]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]

Jnc: Usage to build machines

2018-12-21T14:14:21Z

Usage to build machines

← Older revision		Revision as of 14:14, 21 December 2018
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	[[Image:PDP-6 mod top.jpg\|thumb\|right\|300px\|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvaged from it]]		[[Image:PDP-6 mod top.jpg\|thumb\|right\|300px\|A System Module used in a [[PDP-6]]; this example has had its [[transistor]]s salvaged from it]]

	'''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[DEC]] modular digital logic family which preceded the later [[FLIP CHIP]]s. They ~~connected~~ to the ~~units they were plugged into via a set of 22 gold~~-~~plated discrete pins along one edge~~.		'''System Modules''' (originally named '''System Building Blocks'''; the name was changed about 1961) were a [[Digital Equipment Corporation\|DEC]] modular [[digital]] [[logic]] family which preceded the later [[FLIP CHIP]]s. They were used to construct all DEC's computers from the [[PDP-1]] through the [[PDP-7]] (which also used FLIP CHIPs).

	They used [[transistor]] inverter ~~circuits~~, with the transistors operating saturated, to avoid dependence on tight tolerances; they ran off -3V. Intended for prototyping as well as production, they included design features intended to avoid damage. They came with design advice which included loading rules, and wiring instructions.		They connected to the units they were plugged into via a set of 22 gold-plated discrete pins along one edge. They used [[transistor]] inverter [[circuit]]s, with the transistors operating saturated, to avoid dependence on tight tolerances; they ran off -3V. Intended for prototyping as well as production, they included design features intended to avoid damage. They came with design advice which included loading rules, and wiring instructions.

	They were available in three compatible speed lines:		They were available in three compatible speed lines:

← Older revision		Revision as of 13:51, 6 March 2024
Line 18:		Line 18:

	* [https://archive.computerhistory.org/resources/access/text/2013/06/102688924-05-01-acc.pdf ''DEC Building Block Logic''], Digital Equipment Corporation, Maynard, 1960 (A-400)		* [https://archive.computerhistory.org/resources/access/text/2013/06/102688924-05-01-acc.pdf ''DEC Building Block Logic''], Digital Equipment Corporation, Maynard, 1960 (A-400)
	* ''Digital Logic Handbook'', Digital Equipment Corporation, Maynard, 1961 (A-400B)		* [http://www.bitsavers.org/pdf/dec/handbooks/LogicHandbook_Mar61.pdf ''Digital Logic Handbook''], Digital Equipment Corporation, Maynard, 1961 (A-400B)
	* ''Digital Modules'', Digital Equipment Corporation, Maynard, 1962 (A-705A)		* ''Digital Modules'', Digital Equipment Corporation, Maynard, 1962 (A-705A)
	* ''System Modules'', Digital Equipment Corporation, Maynard, 1964 (C-100)		* ''System Modules'', Digital Equipment Corporation, Maynard, 1964 (C-100)

← Older revision		Revision as of 20:26, 5 March 2024
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	==Further reading==		==Further reading==

	* ''System Modules'', Digital Equipment Corporation, Maynard, 1964		* [https://archive.computerhistory.org/resources/access/text/2013/06/102688924-05-01-acc.pdf ''DEC Building Block Logic''], Digital Equipment Corporation, Maynard, 1960 (A-400)
	* [https://archive.computerhistory.org/resources/access/text/2013/06/102688924-05-01-acc.pdf ''DEC Building Block Logic''], Digital Equipment Corporation, Maynard, 1960		* ''Digital Logic Handbook'', Digital Equipment Corporation, Maynard, 1961 (A-400B)
			* ''Digital Modules'', Digital Equipment Corporation, Maynard, 1962 (A-705A)
			* ''System Modules'', Digital Equipment Corporation, Maynard, 1964 (C-100)
			* [http://www.bitsavers.org/pdf/dec/modules/DEC_System_Modules_Jan68.pdf ''System Modules''], Digital Equipment Corporation, Maynard, 1968 (C-100)

	==External links==		==External links==
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	* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978		* Richard L. Best, Russell C. Doane and John E. McNamara, [http://gordonbell.azurewebsites.net/Computer_Engineering/00000125.htm Digital Modules, The Basis for Computers], in C. Gordon Bell, J. Craig Mudge, John. E. McNamara, ''Computer Engineering: A DEC View of Hardware Systems Design'', Digital Press, Bedford, 1978
	* [http://www.bitsavers.org/pdf/dec/modules/ modules] - System Module documentation at [[Bitsavers]]		* [http://www.bitsavers.org/pdf/dec/modules/ modules] - System Module documentation at [[Bitsavers]]
	** [http://www.bitsavers.org/pdf/dec/modules/DEC_System_Modules_Jan68.pdf ''System Modules''], Digital Equipment Corporation, Maynard, 1968 (C-100)
	** [http://www.bitsavers.org/pdf/dec/modules/1051-4153_SysModuleSchems.pdf System Module Schematics]		** [http://www.bitsavers.org/pdf/dec/modules/1051-4153_SysModuleSchems.pdf System Module Schematics]

	[[Category: Digital Equipment Corporation]]		[[Category: Digital Equipment Corporation]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]