B Troubleshooting
MVME51005E Single Board Computer Installation and Use (6806800A38B)
87
IV. Debug prompt
PPC6-Bug>
appears at
powerup; the
board does not
autoboot
(Continued)
2. At the command line prompt, 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:
PPC6-Diag>
6. You may need to use the
cnfg
command
(see your board Debugger Manual)
to change
clock speed and/or Ethernet Address, and
then later return to:
env <CR>
and step 3.
7. Run the selftests by typing in:
st <CR>
The tests take as much as 10 minutes,
depending on RAM size. They are complete
when the prompt returns. (The onboard
selftest is a valuable tool in isolating defects.)
8. The system may indicate that it has passed
all the selftests. Or, it may indicate a test that
failed. If neither happens, enter:
de <CR>
Any errors should now be displayed. If there
are any errors, go to step VI. If there are no
errors, go to step V.
V. The debugger
is in system
mode; the board
autoboots, or the
board has
passed self
tests.
A. No apparent
problems —
troubleshooting
is done.
No further troubleshooting steps are required.
Table B-1. Troubleshooting Problems (continued)
Condition
Possible
Problem
Possible Resolution: