IBM RS/6000 User Manual page 172

Symptom
The system appears to be stopped and NO
beep was heard from the system unit.
The system appears to be stopped and NO
beep was heard from the system unit. E122,
E123, or E124 is displayed on the operator
panel display.
The system appears to be stopped. A beep was
heard from the system unit.
The diagnostics are loaded and there was NO
beep heard from the system unit during the IPL
sequence.
The system stops with the Diagnostic Operating
Instructions displayed.
The diskette LED is blinking rapidly, or E1EA or
E1EB is displayed on the operator panel.
The system stops with a prompt to enter a
password.
The system stops with an eight-digit error
code(s) displayed on the console.
The system login prompt is displayed.
The system does not respond when the
password is entered.
156
User's Guide
Action
Processor POST failure. Report error code
M0CPU000.
No good memory could be found. Report error
code M0MEM000.
No good memory could be found. Report error
code M0MEM001.
Record error code M0SPK001.
Go to "Step 6" on page 158.
The flash EPROM data is corrupted. Run the
recovery procedure for the flash EPROM.
Enter the password. You are not allowed to
continue until a correct password has been
entered. When you have entered a valid
password, wait for one of the other conditions
to occur.
Record the error code(s) and report the
problem to the service organization.
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 boot of diagnostic programs. If this was
the case, start over at the beginning of this
step.
If you are sure that you pressed the correct key
in a timely manner, go to Step 7.
Go to Step 7.