Motorola MVME2600 series Installation And Use Manual page 184

Troubleshooting CPU Boards: Solving Startup Problems
Table C-1. Troubleshooting MVME2603/2604 Boards (Continued)
Condition
II. There is a
C
display on the
terminal, but
input from the
keyboard
and/or mouse
has no effect.
III. Debug
prompt
PPC1-Bug>
does not
appear at
power-up,
and the board
does not
autoboot.
IV. Debug
prompt
PPC1-Bug>
appears at
power-up, but
the board
does not
autoboot.
C-2
Possible Problem Try This:
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 <CTRL>-Q
pressing a
HOLD
or PAUSE key,
or by typing:
<CTRL>-S
A. Debugger 1. Disconnect all power from your system.
EPROM/Flash
2. Check that the proper debugger EPROM or debugger Flash
may be missing
memory is installed per this manual.
B. The board may 3. Reconnect power.
need to be reset.
4. Restart the system by pressing the
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 minute. The date and time will be displayed.
be set
incorrectly.
B. There may be
some fault in the
board hardware.
or key again.
HOLD PAUSE
Performing the next step will change
!
some parameters that may affect your
system operation.
Caution
Computer Group Literature Center Web Site
switch.
RESET
(continues>)