Need HelpHave fanuc ot b that has 601 pmc ram parity error alarm. Have hit reset delete and entered parameters 4 times. Alarm still comes up. Have put in reconditioned master board and pmc board still has error. Have taken out oem eproms, problem cleared, is that the problem or is it still hardware. Was told by fanuc that cabling is not the problem. Anybody with any thots?