Motorola MVME2400 manual Solving Startup Problems

Models: MVME2400

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D

Solving Startup Problems

Table D-1. Troubleshooting MVME240x Modules (Continued)

Condition

Possible Problem

 

 

Try This:

 

 

 

 

II. There is a display

A. The keyboard or

 

Recheck the keyboard and/or mouse connections and power.

on the terminal,

mouse may be

 

 

 

but input from the

connected

 

 

 

keyboard and/or

incorrectly.

 

 

 

mouse has no

 

 

 

 

B. Board jumpers

 

Check the board jumpers per this manual.

effect.

 

may be 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 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.

PPC1-Bug> does

may be missing

 

2. Check that the proper debugger devices are installedl.

not appear at

B. The board may

 

3. Reconnect power.

powerup, and the

 

need to be reset.

 

4. Restart the system by “double-button reset”: press the RST and

board does not

 

 

 

 

 

ABT switches at the same time; release RST first, wait seven

autoboot.

 

 

 

 

seconds, then release ABT.

 

 

 

 

 

 

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:

PPC1-Bug>

debugger

 

set mmddyyhhmm <CR>

appears at

environment

 

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

powerup, but the

parameters may be

 

minute. The date and time will be displayed.

board does not

set incorrectly.

 

 

 

autoboot.

 

 

 

 

B. There may be some

 

 

 

 

 

 

 

 

fault in the board

!

Performing the next step (env;d)

 

hardware.

will change some parameters that

 

 

 

Caution

may affect your system’s

 

 

 

operation.

 

 

 

 

 

 

 

 

(continues>)

 

 

 

 

 

D-2

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Page 152
Image 152
Motorola MVME2400 manual Solving Startup Problems