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## Run POST With Maximum Testing

This procedure describes how to configure the server to run the maximum level of POST.

1. Access the Oracle ILOM `->` prompt:

   See Access the SP (Oracle ILOM).

2. Set the virtual keyswitch to `diag` so that POST will run in service mode.

       -> set /SYS keyswitch_state=diag
       Set ‘keyswitch_state' to ‘Diag'

3. Reset the system so that POST runs.

   There are several ways to initiate a reset. The following example shows a reset by issuing commands that will power cycle the host.

       -> stop /SYS
       Are you sure you want to stop /SYS (y/n)? y
       Stopping /SYS
       -> start /SYS
       Are you sure you want to start /SYS (y/n)? y
       Starting /SYS

   Note - The server takes about one minute to power off. Use the `show` `/HOST` command to determine when the host has been powered off. The console will display `status=Powered Off`.

4. Switch to the system console to view the POST output.

       -> start /HOST/console

5. If you receive POST error messages, follow the guidelines provided in the topic Interpret POST Fault Messages.

##### Related Information

- POST Overview

- Oracle ILOM Properties That Affect POST Behavior

- Configure POST

- Interpret POST Fault Messages

- Clear POST-Detected Faults

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