Integrating One-Shot S4303 J system building block
Digital Equipment Corporation (DEC)
Printed on the solder side near the insertion end.
Stamped into the face of the metal frame
Stamped into the side of the aluminum frame
overall: 1/2 in x 7 in x 4 1/2 in
The board has various passive and active components, which are surrounded by an aluminum frame and a blue plastic 22 pin male connector. On the solder side there is a grid lettered A-Z. On one side of the frame there is a green "Approved" sticker. on the other side there is a large yellow tag with the model number and the date 11/11/63.