This record contains eleven (11) Standard Modular System (SMS) cards. The circuit card is made of an epoxy paper laminate material. The card's IBM part number is 371198, its card code is SB.
Date
Circa 1959
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
492795
Printed in solder on printed wiring side of card
Other number
EC 107845
Stamped on side edge of both boards, component side Possibly an 'engineering change' number
Other number
SB
Card and Program Cap Connection Code. Stamped on side edge of board, component side
Part number
371198
IBM part number. Stamped on side edge of board, component side