Artifact Details

Title

8 Bit BCD or Binary Counter 4225 C system building block

Catalog Number

102716737

Type

Physical object

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Identifying Numbers

Model number 4225 C Printed on the solder side of the board
Other number 1A3 Stamped in black on a sticker on the face of the frame
Part number 4225 Stamped into the front of the aluminum frame
Serial number 0155053 Stamped into the side of the aluminum frame

Dimensions

overall: 1/2 in x 7 in x 4 1/2 in

Description

The board is cover with various active and passive components, surrounded by a blue plastic 22 pin male connector. On the component side in the corner there are two round inspection stamps.

Category

Component/module