IBM B50 - Manual (Page 36)

MAP 1020: Problem Determination
Purpose of This MAP
Use this MAP to get an error code if you were not provided one by the customer or
you are unable to load diagnostics. If you are able to load the diagnostics, go to
MAP 0020 in Diagnostics Information for Multiple Bus Systems.
Be prepared to record code numbers and use those numbers in the course of
analyzing a problem. Go to “Step 1020-1.”
Step 1020-1
The following steps analyze a failure in loading the diagnostic programs.
Note: Be prepared to answer questions regarding the operator panel display and to
perform certain actions based on displayed POST indicators. Please be
observant of these conditions.
1. Insert the diagnostic CD-ROM disc into the CD-ROM drive.
2. Turn off the power.
3. Turn on the power.
4. If the keyboard indicator is displayed (the word
keyboard on an ASCII terminal or
the keyboard and hand icon on a graphical display), press the F5 key on the
directly attached keyboard or the number 5 key on an ASCII terminal.
5. Enter any requested passwords.
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 Action
The disk LED is blinking rapidly, or E1EA or
E1EB is displayed on the operator panel. The flash EPROM data is corrupted. The
recovery procedure for the flash EPROM should
be performed. See “Firmware Recovery” on
page 6-22.
The system stops with a prompt to enter a
password. Enter the password. You will not be 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.
The diagnostics loaded. Go to MAP 0020 in Diagnostics Information for
Multiple Bus Systems
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