Sup in slot 5 has all red lights. Sup in slot 6 all green. When the system boots, it goes to a rommon prompt. I am need to configure the switch tonight or early tomorrow. Nobody is at the site to either remove the Sup from slot 5 or do any other hardware troubleshooting but they will be there tomorrow. Is there a way to remotely force the Catalyst to boot off the Sup in slot 6? I am guessing that the Supervisor modules that Cisco shipped me weren't exactly the same even though the part numbers were the same. This would explain why it didn't automatically failover to the Sup in slot 6.