IBM Enterprise Server H80 Series - Manual (Page 172)

Step 3
Determine if the operating system is accepting commands.
Is the operating system accepting commands?
NO The system must be turned off before you can run diagnostics.
Verify with the system administrator and users that the system may be
turned off. If so, turn off the system unit and go to “Step 6” on page 157.
YES Go to “Step 4.”
Step 4
Diagnostic tests can be run on many resources while the operating system is
running. However, you can obtain more extensive problem isolation by running
Online Diagnostics in Service mode.
Do you want to run the Online Diagnostics in Service mode?
NO Go to “Step 5” on page 157.
YES Do the following to shut down your system:
1. At the system prompt, stop the operating system using the appropriate
command for your operating system.
2. After the operating system is stopped, turn off the system unit.
3. Go to “Step 6” on page 157.
156 RS/6000 Enterprise Server Model H80 Series User's Guide