U-Boot diagnostic tests run automatically when the server is started or booted. However:
You must connect a serial terminal to the serial port on the SP to see the output.
You can tell whether the tests passed or failed by looking command output. See U-Boot Diagnostic Test Output for details.
When Oracle ILOM is running, you can see additional information about the test results in the environmental variables. Refer to your Oracle ILOM documentation for more information.
Before the tests start you can select quick or extended mode.
If you do nothing the tests run in normal mode.
For information about running the tests, see Run the U-Boot Diagnostic Tests.