Help Chip ID

[Vsix]

I have 3 chips that came in cars i bought
1 2 3
1605 1606 Delco
DRL CMW CMW
1022 0600 0602

This is whats written on the chips as you take off the computer cover as you look down Are these just stock GM chips


Thanks Jim

 

[gofstbuick]

DRL is a federal 1986/1987 factory prom and CMW is a CA 1986 factory prom.

 

[Vsix]

Cool thanks