user manual

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