IBM B50 - Manual (Page 159)

Step 5
This step invokes the Online Diagnostics in concurrent mode.
1. Log on as root or as superuser.
2. Enter the diag command.
3. Wait until the Diagnostic Operating Instructions are displayed, or wait for three
minutes.
Are the Diagnostic Operating Instructions displayed without any obvious
console display problems?
NO Do the following to shut down your system:
1. At the system prompt, stop the operating system using the proper
command for your operating system.
2. After the operating system is stopped, turn off the server.
3. Go to “Step 6.”
YES Go to “Step 10.”
Step 6
This step loads Online diagnostics in service mode. If you are unable to load the
diagnostics, go to “Step 7.”
1. Turn the power on.
2. When the initial menu appears, press the F6 key on the directly-attached
keyboard or number 6 on the ASCII terminal keyboard to indicate that
diagnostics are to be loaded.
3. Follow any instructions to select a console.
Did the Diagnostics Operating Instructions display without any obvious display
problem?
NO Go to “Step 7.”
YES Go to “Step 9.”
Chapter 8. Hardware Problem Determination 8-3