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Symptom Action
The system stops and POST indicators are
displayed on the system console. The term
"POST indicators" refer to the icons (graphic
display) or device mnemonics (ASCII terminal)
that appear during the power-on self-test
(POST).
Go to “MAP 1540: Minimum Configuration” on
page 2-17. to isolate the problem.
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.
Go to “Firmware Checkpoints” on page 3-14.
The system does not respond to the password
being entered, or the system login prompt is
displayed when booting in service mode.
Verify that the password is being entered from a
keyboard or ASCII terminal defined as the
system console. If so, then the keyboard or its
controller may be faulty.
If the password is being entered from a
keyboard attached to the system, replace
the keyboard. If that does not fix the
problem, replace the system board (see
note 3 on page 2-1).
If the password is being entered from an
ASCII terminal, use the Problem
Determination Procedures for the ASCII
terminal. Make sure the ASCII terminal is
connected to Serial Port 1. Replace the
system board if these procedures do not
reveal a problem (see note 3 on page 2-1).
No codes are displayed on the operator panel
within a few seconds of turning on the system.
The operator panel is blank before the system is
powered on.
Reseat the operator panel cable. If the problem
is not resolved, replace these parts in the
following order:
1. Operator Panel Assembly. Update the VPD
information in the new operator panel.
2. System board (see note 3 on page 2-1).
The power LED on the operator panel comes on
and the system powers on automatically when
A/C power is applied.
Automatic power-up is a feature on the Model
B50. Refer to the System Board Jumper
Settings in Chapter 1 for the correct settings. If
the jumper is set in the disabled position,
replace the system board (see note 3 on page
2-1).
The SMS configuration list or Boot sequence
selection menu shows more SCSI devices
attached to a controller/adapter than are actually
attached.
A device may be set to use the same SCSI bus
ID as the control adapter. Note the ID being
used by the controller/adapter (this can be
checked and/or changed via an SMS utility), and
verify that no device attached to the controller is
set to use that ID. If settings do not appear to
be in conflict, go to “Boot Problems or
Concerns” on page 3-27.
2-4 7046 Model B50 Service Guide