Card Code. Etched on side edge of board, component side
IBM part number. Etched on side edge of board, component side
overall: 4 1/2 in x 2 5/8 in x 3/8 in
This record contains five (5) Standard Modular System (SMS) cards type: Negative Binary Trigger Card model 1. This card was used with the IBM 7090 system. The circuit card is made of an epoxy paper laminate material. "BAD" in written in pencil on the connector side.