This G590 module has a green board and green plastic extraction handle, which is held in place with two metal rivets. There are three round inspection stamps between the rivets on the component side.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
G590
Found printed in white on face of green plastic extraction handle
Other number
016
Inlaid on back of extraction handle beneath the manufacturer's name