Make sure that the server supports all the microprocessors and that the microprocessors match in speed and cache size. To view the microprocessor information, run the Setup utility and select System Information > System Summary > Processor Details.
(Trained service technician only) Make sure that microprocessor 1 is seated correctly.
(Trained service technician only) Remove microprocessor 2 and restart the server.
Replace the following components one at a time, in the order shown, restarting the server each time: