This object consists of one (1) logic module with four, black plastic connectors along one side. One of the four connectors is marked "2751448 A 9 397 76". The substrate is covered on both sides by a gridded-field of square-shaped solder marks. The obverse-side of the module has various components parts attached.
International Business Machines Corporation (IBM)
2751448 A 9 397 76
Printed in white on one of the four connectors, component-side
Incised on on one of the four connectors, solder-side