This circuit board has 6 standoffs and 2 guides on the component side to enable stacking with other boards. Along the top of the board on the component side are the pins for a zero insertion force (zif) connector. On the circuit side is a matching zif socket so that when the boards are stacked, they are connected. The board also has 6 connectors flat on the component side.
Date
ca. 1991
Manufacturer
System Industries, Inc.
Identifying Numbers
Other number
-005
Printed on white label on lower right corner of component side
Other number
2500-5004-B
Etched on lower right corner of circuit side of the board
Other number
2500-6004-B
Etched on lower left corner of component side of the board
Other number
28675V-34
Printed on white label on bottom right corner of component side
