See Power On the Server.
Verify that the Power/OK status indicator is steady on.
Reset the Oracle ILOM clock using the Oracle ILOM CLI or the web interface.
For instructions, refer to the Oracle Integrated Lights Out Manager (ILOM) 3.2 Documentation Library at http://www.oracle.com/goto/ilom/docs.
Use the BIOS Setup Utility to reprogram the host clock.
For the BIOS Main menu screen that supports this procedure, refer to the Oracle X5 Series Servers Administration Guide at http://www.oracle.com/goto/x86admindiag/docs.