Motorola MVME2401-1 Installation And Use Manual page 152

Solving Startup Problems
Table D-1. Troubleshooting MVME240x Modules (Continued)
Condition
II. There is a display
on the terminal,
but input from the
keyboard and/or
D
mouse has no
effect.
III. Debug prompt
PPC1-Bug> does
not appear at
powerup, and the
board does not
autoboot.
IV. Debug prompt
PPC1-Bug>
appears at
powerup, but the
board does not
autoboot.
D-2
Possible Problem
A. The keyboard or Recheck the keyboard and/or mouse connections and power.
mouse may be
connected
incorrectly.
B. Board jumpers Check the board jumpers per this manual.
may be configured
incorrectly.
C. You may have Press the
invoked flow If this does not free up the keyboard, type in:
control by pressing <CTRL>-Q
a or
HOLD PAUSE
key, or by typing:
<CTRL>-S
A. Debugger Flash 1. Disconnect all power from your system.
may be missing
2. Check that the proper debugger devices are installedl.
B. The board may
3. Reconnect power.
need to be reset.
4. Restart the system by "double-button reset": press the
ABT
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.
A. The initial 1. Start the onboard calendar clock and timer. Type:
debugger set mmddyyhhmm <CR>
environment where the characters indicate the month, day, year, hour, and
parameters may be minute. The date and time will be displayed.
set incorrectly.
B. There may be some
fault in the board
hardware.
Caution
Try This:
or key again.
HOLD PAUSE
switches at the same time; release
.
ABT
Performing the next step (env;d)
!
will change some parameters that
may affect your system's
operation.
Computer Group Literature Center Web Site
and
RST
first, wait seven
RST
(continues>)