This record contains one (1) Standard Modular System (SMS) card. IBM part number 371680, card code QH. A large paper sticker is affixed to the back, which reads "729 TEST CARD D28" in black pen.
Date
Circa 1959
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
EC 371680
Etched on side edge of board, component side
Other number
QH
Card Code. Etched on side edge of board, component side
Other number
YBG03H UL
Etched on side edge of board, component side
Part number
371680
IBM part number. Etched on side edge of board, component side
