Table D-2. Troubleshooting Mvme1603/Mvme1604 Boards - Motorola MVME1603 Installation And Use Manual

Table D-2. Troubleshooting MVME1603/MVME1604 Boards

Condition Possible Problem
III. Debug prompt A. Debugger
PPC1-Bug>
does not appear
at powerup, and
B. The board may
the board does
need to be reset.
not autoboot.
IV. Debug prompt A. The initial
PPC1-Bug>
appears at
powerup, but the
board does not
autoboot.
B. There may be
some fault in the
board hardware.
Try This:
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.
3. Reconnect power.
4. Restart the system by "double-button reset": press the
and
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:
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.
Caution
2. Type in:
env;d <CR>
This sets up the default parameters for the debugger
environment.
3. When prompted to Update Non-Volatile RAM, type in:
y <CR>
4. When prompted to Reset Local System, type in:
y <CR>
5. After clock speed is displayed, immediately (within five
seconds) press the Return key:
<CR>
or
BREAK
to exit to the System Menu. Then enter a 3 for "Go to System
Debugger" and Return:
3 <CR>
Now the prompt should be:
PPC1-Diag>
switches at the same time; release
ABORT
ABORT
Performing the next step will
change some parameters that
!
may affect your system
operation.
Introduction
RESET
first, wait
RESET
.
(continues>)
D-3
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