Standard Modular System (SMS) card (logic module)

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  • Description
Date Introduced
1959
Photographer
Richards, Mark
Dimensions
3/8 x 2 1/2 x 4 1/2 in.
Manufacturer
International Business Machines Corporation (IBM)
Copyright Owner
© Mark Richards
Location
United States
Keywords
Discrete; Printed circuit; transistor
Object ID
102626596

Even after SLT circuits were introduced, conventional discrete-transistor SMS components were still used in lower-speed applications. SMS was bulkier, but less expensive for the same function.