This record contains two (2) Standard Modular System (SMS) cards type: Two-Way or Type B (both loads). One card has " BAD F INPUT" written on the component side in pencil.
Date
Circa 1959
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
244
Etched on side edge of board, component side
Other number
491175
Printed in solder on printed wiring side
Other number
DD ZW
Card and Cap Connection Code. Etched on side edge of board, component side
Other number
EC 109191
Etched on side edge of board, component side
Part number
371300
IBM part number. Etched on side edge of board, component side