Motorola MVME177 Installation And Use Manual page 162

Single board computer
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Troubleshooting the MVME177: Solving Startup Problems
Condition ...
II. There is a
display on the
terminal, but
input from the
keyboard and/or
mouse has no
effect.
F
III. Debug
prompt
177-Bug>
does not appear
at powerup, and
the board does
not auto boot.
F-2
Table F-1. Basic Troubleshooting Steps (Continued)
Possible Problem ...
A. The keyboard or
mouse may be
connected incorrectly.
B. Board jumpers may
be conÞgured
incorrectly.
C. You may have
invoked ßow control
by pressing a
HOLD
key, or by
PAUSE
typing
<CTRL>-S
Also, a
LED
HOLD
may be lit.
A. Debugger
EPROM/Flash may
be missing
B. The board may
need to be reset.
Try This ...
Recheck the keyboard and/or mouse
connections and power.
Check the board jumpers per this manual.
Press the
or
HOLD
If this does not free up the keyboard, type in
or
<CTRL>-Q
1. Disconnect all power from your system.
2. Check that the proper debugger EPROM or
debugger Flash memory is installed per this
manual.
3. Reconnect power.
4. Restart the system by Òdouble-button resetÓ:
press the
and
RESET
same time; release
seconds, then release
5. If the debug prompt appears, go to step IV
or step V, as indicated. If the debug prompt
does not appear, go to step VI.
key again.
PAUSE
switches at the
ABORT
Þrst, wait seven
RESET
.
ABORT

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