The object consists of one DC carry chain S181 module with a green board and a red plastic extraction handle attached by two rivets. The handle reads "DIGITAL EQUIPMENT CORPORATION MAYNARD, MASSACHUSETTS" in raised letters on the solder side. The board on the solder side reads "DC CARRY CHAIN R 181 A" along the left edge. "FLIP CHIP" can be read through the board, between the rivets on the component side. The module has four circular black inspection stamps near the handle. There is a repeating pattern of "NP" on the board.
Date
1965 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
S181
Printed in white on face of extraction handle
Other number
12-65
Printed on substrate at top-right corner, on the solder side
