Step 1020-1 - IBM S85 pSeries 680 Service Manual

Step 1020-1

The following steps analyze a failure to load the diagnostic programs.
Note: You are asked questions regarding the operator panel display. You are also
1. Power off the system. Refer to "Powering Off the System" on page 492.
2. Power on the system. Refer to "Powering On the System" on page 493
3. Insert the diagnostic CD-ROM into the CD-ROM drive.
4. When the Keyboard indicator is displayed (the word Keyboard), press the 5 key on
the system console.
5. Enter a password, if requested.
6. Wait until the diagnostics are loaded or the system appears to stop.
7. Find your symptom in the following table; then follow the instructions given in the
Action column.
Symptom
The system stopped and a code is displayed on
the operator panel.
The system stops with a prompt to enter a
password.
The diagnostic operating instructions are
displayed.
The power good LED does not come on or
does not stay on or you have a power problem.
The system login prompt is displayed.
The system does not respond when the
password is entered.
asked to perform certain actions based on displayed POST indicators. Please be
observant of these conditions.
Action
Go to the "Entry MAP" on page 79.
Enter the password. You are not allowed to
continue until a correct password has been
entered. When you have entered a valid
password, go to the beginning of this table and
wait for one of the other conditions to occur.
Go to MAP 0020 in the Diagnostic Information
for Multiple Bus Systems.
Go to "MAP 1520: Power" on page 88.
You may not have pressed the correct key or
you may not have pressed the key soon
enough when you were to indicate a Service
Mode IPL of the diagnostic programs. If this
was the case, start over at the beginning of this
Step.
Note: Perform the systems shutdown
procedure before turning off the system.
If you are sure you pressed the correct key in a
timely manner, go to "Step 1020-2" on page 86.
Go to "Step 1020-2" on page 86.
Chapter 3. Maintenance Analysis Procedures
85