System Module - Revision history

Jnc: /* Further reading */ Add online copy

2024-03-06T13:51:52Z

‎Further reading: Add online copy

Jnc: /* Further reading */ +Several more

2024-03-05T20:26:09Z

‎Further reading: +Several more

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

2024-03-04T01:17:09Z

‎Further reading: +DEC Building Block Logic

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

2022-11-02T22:32:57Z

‎External links: 2 more at Bitsavers

Jnc: +minor clarifications, links

2022-08-08T12:30:14Z

+minor clarifications, links

Jnc: use other img

2022-04-11T12:45:40Z

use other img

Jnc: /* External links */ +System Modules

2022-01-09T20:20:11Z

‎External links: +System Modules

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

2021-12-09T13:43:16Z

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

Jnc: +cat

2020-12-02T05:06:43Z

+cat

Jnc: Usage to build machines

2018-12-21T14:14:21Z

Usage to build machines

@@ 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)
-* ''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)
 * ''System Modules'', Digital Equipment Corporation, Maynard, 1964 (C-100)

@@ Line 17: / Line 17: @@
 ==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)
 ==External links==
@@ Line 24: / Line 27: @@
 * 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/1051-4153_SysModuleSchems.pdf System Module Schematics]
 [[Category: Digital Equipment Corporation]]
 [[Category: DEC Boards]]

← Older revision		Revision as of 01:17, 4 March 2024
Line 18:		Line 18:

	* ''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==

@@ Line 21: / Line 21: @@
 ==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: DEC Boards]]

@@ Line 1: / Line 1: @@
 [[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:
@@ Line 11: / Line 11: @@
 * 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==

← Older revision		Revision as of 12:45, 11 April 2022
Line 1:		Line 1:
−	[[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).

← Older revision		Revision as of 05:06, 2 December 2020
Line 19:		Line 19:
	* ''System Modules'', Digital Equipment Corporation, Maynard, 1964		* ''System Modules'', Digital Equipment Corporation, Maynard, 1964

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