Motorola MVME177 manual Env CR, St CR, De CR

Models: MVME177

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F

Troubleshooting the MVME177: Solving Startup Problems

Table F-1. Basic Troubleshooting Steps (Continued)

Condition ...

Possible Problem ...

Try This ...

 

 

 

 

 

6.You may need to use the cnfg command (see

 

 

your board Debugger Manual) to change clock

 

 

speed and/or Ethernet Address, and then later

 

 

return to

 

 

env <CR>

 

 

and step 3.

 

 

7. Run selftest by typing in

 

 

st <CR>

 

 

The tests take as much as 10 minutes,

 

 

depending on RAM size. They are complete

 

 

when the prompt returns. (The onboard

 

 

selftest is a valuable tool in isolating defects.)

 

 

8. The system may indicate that it has passed

 

 

all the selftests. Or, it may indicate a test that

 

 

failed. If neither happens, enter

 

 

de <CR>

 

 

Any errors should now be displayed. If there

 

 

are any errors, go to step VI. If there are no

 

 

errors, go to step V.

 

 

 

V. The debugger

A. No problems -

No further troubleshooting steps are required.

is in system mode

troubleshooting is

Note Even if the board passes all tests,

and the board

done.

auto boots, or the

 

it may still be bad. Selftest does

board has passed

 

not try out all functions in the

selftests.

 

board (for example, SCSI, or

 

 

VMEbus tests).

 

 

 

VI. The board has

A. There may be some

1. Document the problem and return the board

failed one or

fault in the board

for service.

more of the tests

hardware or the on-

2. Phone 1-800-222-5640.

listed above, and

board debugging and

 

can not be

diagnostic Þrmware.

 

corrected using

 

 

the steps given.

 

 

 

 

 

F-4

Page 164
Image 164
Motorola MVME177 manual Env CR, St CR, De CR