International Business Machines (IBM)
||Stamped on the front
||Hand written on the component side.
||Stamped on the component side
overall: 7/8 in x 5 1/4 in x 4 1/2 in
The Standard Modular System (SMS) card is hand soldered. There are many thin red wires, some in bundles, running in and out of a large rectangular component.
Gift of Paul Pierce