This is a W051 module with a light green board and a tan plastic extraction handle, attached by two rivets. "FLIP CHIP" is visible between the rivets. The component side is marked with four inspection stamps. The darkest stamp reads, "Tested 4 A.M.T.1". "INDICATOR DRIVER W051D" is printed on the solder side of the module.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
W021
Stamped in black on face of handle
Other number
11-67
Printed in silver on reverse side of module toward middle.