C

Troubleshooting CPU Boards: Solving Startup Problems

Table C-1. Troubleshooting MVME2603/2604 Boards (Continued)

Condition

Possible Problem

Try This:

 

 

 

 

II. There is a

A. The keyboard or

Recheck the keyboard and/or mouse connections and power.

display on the

mouse may be

 

 

terminal, but

connected

 

 

input from the

incorrectly.

 

 

keyboard

 

 

 

B. Board jumpers

Check the board jumpers per this manual.

and/or mouse

may be

 

 

has no effect.

 

 

configured

 

 

 

 

 

 

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

<CTRL>-Q

 

 

pressing a HOLD

 

 

 

or PAUSE key,

 

 

 

or by typing:

 

 

 

<CTRL>-S

 

 

 

 

 

III. Debug

A. Debugger

1. Disconnect all power from your system.

prompt

EPROM/Flash

2. Check that the proper debugger EPROM or debugger Flash

PPC1-Bug>

may be missing

memory is installed per this manual.

does not

 

3. Reconnect power.

B. The board may

appear at

need to be reset.

4. Restart the system by pressing the RESET switch.

power-up,

 

5. If the debug prompt appears, go to step IV or step V, as

and the board

 

 

indicated. If the debug prompt does not appear, go to step VI.

does not

 

 

 

 

autoboot.

 

 

 

 

 

 

IV. Debug

A. The initial

1. Start the onboard calendar clock and timer. Type:

prompt

debugger

set mmddyyhhmm <CR>

PPC1-Bug>

environment

where the characters indicate the month, day, year, hour, and

appears at

parameters may

minute. The date and time will be displayed.

power-up, but

be set

 

 

the board

incorrectly.

 

 

does not

 

 

Performing the next step will change

B. There may be

!

autoboot.

some fault in the

some parameters that may affect your

 

board hardware.

system operation.

 

Caution

 

 

(continues>)

 

 

 

 

 

 

 

C-2

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Motorola MVME2600 manual Troubleshooting CPU Boards Solving Startup Problems