Located on outer-face of tan, plastic extraction handle
Located on reverse-side of substrate
Located on cylindrical, silver component
overall: 1/2 in x 2 1/2 in x 5 1/2 in
W501 module with green substrate and a tan, plastic extraction handle attached by two rivets. Handle reads "DIGITAL EQUIPMENT CORPORATION MAYNARD, MASSACHUSETTS." Reverse side of substrate (with solder joints) reads " SCHMITT TRIGGER W 50F 12-66" along the edge. Obverse side has several components and is marked with four inspection stamps; "FLIP CHIP" can be read through substrate, between rivets.A repeating pattern of "NP" in red letters is visible across the substrate.