Artifact Details

Description

One (1) M502B module with green board and a magenta 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 "NEGATIVE INPUT CONVERTER M502B/ 5-72P" along the left edge. "FLIP CHIP" is faintly visible between the rivets of the handle, component-side. There are three black inspection stamps on the component-side, two circles and one triangle. A repeating pattern of "neLco" is printed on the board in red.

Date

1968 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass., U.S.

Identifying Numbers

Model number	M502	Printed in white on face of handle
Other number	226 B	Incised on solder side of handle
Other number	M502B	Printed on solder side of board

Dimensions

overall: 1/2 in x 2 1/2 in x 5 1/2 in

Category

Component/module