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DB37RIBBON P435-720PX.jpg


  • DB-37 pin connector
    • Male or Female
  • 40 pin ribbon connector
    • Right Angle OR straight


Card can have a DB-37 male or female connector

Pinout looking into a Female Connector

DC37 F.jpg

Pinout looking into a Male Connector

DC37 M.jpg

40-pin Ribbon Connector

  • Pin 40 is a key (removed) pin on the connector
  • Wiring is 1:1 (pin 1 to pin 1) if the DB-37 connector is a Male
  • Wiring is reversed (pin 1 of DB goes to pin 37 of ribbon) if the DB-37 connector is a Female


  • Pin numbers of the connections depend upon the gender of the DB-37 connector
  • Board has silkscreen area to mark the pin numbers (based on gender)

Female DB-37 Card Marking

DB37RIBBON-OSH-CAD-X1 - Female Marking.png

Male DB-37 Card Marking

DB37RIBBON-OSH-CAD-X1 - Male Marking.png