IBM 6C1 Service Manual page 59

Symptom
You have STBY displayed.
The system POST indicators are
displayed on the system console,
the system pauses and then
restarts. The term "POST
indicators" refers to the icons
(graphic display) or device
mnemonics (ASCII terminal) that
appear during the power-on
self-test (POST).
The system stops and POST
indicators are displayed on the
system console. The term "POST
indicators" refers to the icons
(graphic display) or device
mnemonics (ASCII terminal) that
appear during the power-on
self-test (POST).
The system stops and the
message "STARTING
SOFTWARE PLEASE WAIT..." is
displayed on the ASCII terminal,
or the boot indicator is displayed
on a graphics terminal.
The system does not respond to
the password being entered, or
the system login prompt is
displayed when booting in
service mode.
Action
The service processor is ready. The operating system has
been terminated; the system is still powered on. This usually
indicates an operating system crash. The service processor
menus are available. Look for error codes related to the
operating system crash in the service processor error log.
Go to "Boot Problems/Concerns" on page 110.
Go to "MAP 1540: Minimum Configuration" on page 63 to
isolate the problem.
Go to "Boot Problems/Concerns" on page 110.
Verify that the password is being entered from the ASCII
terminal or keyboard defined as the firmware console. If so,
then the keyboard or its controller may be faulty.
v If entering the password from the keyboard that is attached
to the system, replace the keyboard. If replacing the
keyboard does not fix the problem, replace the system
board.
Location: P1
(See notes on page 35.)
v If entering the password from a keyboard that is attached
to an ASCII terminal, use the Problem Determination
Procedures for the ASCII terminal. Make sure the ASCII
terminal is connected to S1. Replace the system board if
these procedures do not reveal a problem.
v If the problem is fixed, go to "MAP 0410: Repair Checkout"
in the RS/6000 Eserver pSeries Diagnostic Information for
Multiple Bus Systems . If the problem persists, go to "MAP
1540: Minimum Configuration" on page 63 to isolate the
problem.
Chapter 3. Maintenance Analysis Procedures (MAPs)
41