System Module: Difference between revisions

Revision as of 06:51, 7 May 2022

Latest revision as of 10:23, 25 April 2024

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They were available in several compatible speed lines:

* 4000-Series: the second series, nominally 500 &nbsp;KHz, but some 1 &nbsp;MHz<ref name=SysMod6>"System Modules", pg. 6.1-6.40</ref>

* 1000-Series: the original series, nominally 5 &nbsp;MHz<ref name=SysMod7>"System Modules", pg. 7.1-7.16</ref>

* 6000-Series: higher speeds, nominally 10 Mhz&nbsp;MHz<ref name=SysMod8>"System Modules", pg. 8.1-8.13</ref>

* 8000-Series: very high speeds, nominally 30MHz30&nbsp;MHz<ref>"[http://bitsavers.org/pdf/dec/modules/8000_series/8000_Series_Sep64.pdf 30 Megacycle Modules"]</ref>

In addition, special modules were available for purposes such as [[Input/Output]] (I/O) converters (to standard internal voltages), bus drivers, lamp and solenoid drivers, [[A/D conversion]], relays, [[magnetic-core memory|core memory]] drivers, etc.<ref name=SysMod9>"System Modules", pg. 9.1-9.60</ref>