Motorola MVME2603-1121A, Installation And Use Manual

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D
D-1
D Troubleshooting CPU Boards:
Solving Startup Problems
Introduction
In the event of difficulty with your CPU board, try the simple
troubleshooting steps on the following pages before calling for help
or sending the board back for repair. Some of the procedures will
return the board to the factory debugger environment. (The board
was tested under these conditions before it left the factory.) The
selftests may not run in all user-customized environments.
Table D-1. Troubleshooting MVME2603/2604 Boards
Condition Possible Problem Try This:
I. Nothing works,
no display on
the terminal.
A. If the
FUS
(or
CPU
) LED is not
lit, the board
may not be
getting correct
power.
1. Make sure the system is plugged in.
2. Check that the board is securely installed in its backplane
or chassis.
3. Check that all necessary cables are connected to the board,
per this manual.
4. Check for compliance with System Considerations, per
this manual.
5. Review the Installation and Startup procedures, per this
manual. They include a step-by-step powerup routine. Try
it.
B. If the LEDs are
lit, the board
may be in the
wrong slot.
1. For VMEmodules, the CPU board should be in the Þrst
(leftmost) slot.
2. Also check that the Òsystem controllerÓ function on the
board is enabled, per this manual.
C. The Òsystem
consoleÓ
terminal may
be conÞgured
incorrectly.
ConÞgure the system console terminal per this manual.