Technical data

MVME51005E Single Board Computer Installation and Use (6806800A38B)
B Troubleshooting
86
II. There is a
display on the
terminal;
however,
keyboard and/or
mouse input has
no effect.
A. The keyboard
or mouse may be
connected
incorrectly.
Recheck the keyboard connections and power.
Verify correct configuration of RS232 interface.
B. Board
jumpers may be
configured
incorrectly.
Check the board jumpers per the instructions
in this manual.
C. You may have
invoked flow
control by
pressing a
HOLD
or
PAUSE key, or
by typing:
<CTRL>-S
Press the HOLD or PAUSE key again.
If this does not free up the keyboard, type in:
<CTRL>-Q
III. Debug
prompt
PPC6-
Bug>
does not
appear at
powerup; the
board does not
autoboot.
A. Debugger
Flash may be
missing
1. Disconnect all power from your system.
2. Check that the proper debugger devices are
installed.
3. Reconnect power.
4. Restart the system using the
ABT/RST
switch (press and hold switch down,
approximately 3 - 5 seconds).
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.
B. The board
may need to be
reset.
IV. Debug prompt
PPC6-Bug>
appears at
powerup; the
board does not
autoboot.
A. The initial
debugger
environment
parameters may
be set
incorrectly.
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.
CAUTION: Performing the next step (env;d)
will change some parameters that may affect
your system’s operation.
B. There may be
some fault in the
board hardware.
Table B-1. Troubleshooting Problems (continued)
Condition Possible
Problem
Possible Resolution: