Flip Chip B204 module
Solder side etch says "Four Flip Flops"; 1 square and 1 round black inspection stamps; Printed under handle mounting says "FLIP CHIP". 4 instances of red "NP" silk screening.
Digital Equipment Corporation (DEC)
Maynard, Mass. U.S.
||Solder side front edge near handle
||B 204 B
||Solder side right edge near handle
||Printed on handle
overall: 1/2 in x 2 1/2 in x 5 1/2 in
SAP Collection, Computer History Museum