This object consists of one (1) logic module with eight, black plastic connectors; four along each long-side. The substrate is covered by a gridded-field of square-shaped solder marks. The component-side is covered by four silver-tone, square, IBM components; sixteen red-orange components; and a variety of others. The solder-side has three connections made by thin copper wire.
International Business Machines Corporation (IBM)
01 B 3S 221 1600732
Printed on edge of substrate, solder-side
Incised on two connectors; one on solder-side, one on the component-side
Printed on four of the eight connectors, component-side