Motorola MVME177 manual Ctrl-Q

F

Troubleshooting the MVME177: Solving Startup Problems

Table F-1. Basic Troubleshooting Steps (Continued)

Condition ...	Possible Problem ...	Try This ...
II. There is a	A. The keyboard or	Recheck the keyboard and/or mouse
display on the	mouse may be	connections and power.
terminal, but	connected incorrectly.
input from the
	B. Board jumpers may	Check the board jumpers per this manual.
keyboard and/or
	be conÞgured
mouse has no
	incorrectly.
effect.
	C. You may have	Press the HOLD or PAUSE key again.
	invoked ßow control	If this does not free up the keyboard, type in
	by pressing a HOLD or	<CTRL>-Q
	PAUSE key, or by
	typing
	<CTRL>-S
	Also, a HOLD LED
	may be lit.
III. Debug	A. Debugger	1. Disconnect all power from your system.
prompt	EPROM/Flash may	2. Check that the proper debugger EPROM or
177-Bug>	be missing	debugger Flash memory is installed per this
does not appear	B. The board may	manual.
at powerup, and	need to be reset.	3. Reconnect power.
the board does		4. Restart the system by Òdouble-button resetÓ:
not auto boot.		press the RESET and ABORT switches at the
		same time; release RESET Þrst, wait seven
		seconds, then release ABORT.
		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.

F-2