Integrating one shot S4303N system building block
Digital Equipment Corporation (DEC)
||Etched in solder near the insertion end of the board
||Stamped into the front of the aluminum frame
||Stamped into the side of the aluminum frame
overall: 1/2 in x 4 1/2 in x 7 in
The board is surrounded by an aluminum frame and a blue plastic connector. "INTEGRATING ONE - SHOT S4303N" is etched in solder near the insertion end.