From Greg Fife Etched in copper COPYRIGHT 1973 RAMTEK ASSY NO 500880 PART NO 500889 Stickered CIRCUIT No 0251 Lots of chips removed .g8 IM5610CP 2 white dots stamped on it read as 82s123 WinROMIdent v1.05 ============================ ramtek3.g8:[F14416F8] Not Found! ** warning some unused bits [01110111] possible bad ROM.