Motorola Single Board Computer, MVME5100 manual Ctrl -Q, Ctrl -S

B

Solving Startup Problems

Table B-1. Troubleshooting Problems (Continued)

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

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