Motorola MVME2100 Installation And Use Manual page 120

Solving Startup Problems
Condition
II. There is a display on
the terminal, but
input from the
keyboard and/or
D
mouse has no effect.
III. Debug prompt
PPC5-Bug> does
not appear at
powerup, and the
board does not
autoboot.
IV. Debug prompt
PPC5-Bug>
appears at powerup,
but the board does
not autoboot.
D-2
Table D-1. Troubleshooting Problems (Continued)
Possible Problem
A. The keyboard or
mouse may be
connected
incorrectly.
B. Board jumpers may
be configured
incorrectly.
C. You may have
invoked flow control
by pressing a
HOLD
or key, or by
PAUSE
typing: <CTRL>-S
A. Debugger Flash may
be missing
B. The board may need
to be reset.
A. The initial debugger
environment
parameters may be
set incorrectly.
B. There may be some
fault in the board
hardware.
Possible Resolution:
Recheck the keyboard and/or mouse connections and power.
Check the board jumpers per this manual. Refer to Chapter 1,
Preparation and Installation.
Press the or key again.
HOLD PAUSE
If this does not free up the keyboard, type in:
<CTRL>-Q
1. Disconnect all power from your system.
2. Check that the proper debugger devices are installed.
3. Reconnect power.
4. Restart the system by "double-button reset": press the
and switches at the same time; release
ABT
seven 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.
1. Start the onboard calendar clock and timer. Type:
set mmddyyhhmm <CR>
where the characters indicate the month, day, year, hour, and
minute. The date and time will be displayed.
Performing the next step
!
(env;d) will change some
parameters that may
Caution
affect your system's
operation.
(continues>)
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RST
first, wait
RST
.
ABT