Personal Computer User Manual

Troubleshooting
http://www.motorola.com/computer/literature B-3
B
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.
Table B-1. Troubleshooting Problems (Continued)
Condition Possible Problem Possible Resolution: