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System Board and CPU Card Checkout (2625 365X, XD)



System Board and CPU Card Checkout

The processing functions are performed by both the system board and the CPU card. Processor problems can be caused by either FRU. However, the CPU card generally has a lower probability of failure. When a numeric code calls the system board or the CPU card as a FRU, or the CPU card is called by a diagnostic test by showing FRU code 11, use the following procedure to isolate the problem:
  1.  Run the system board test to verify the symptom. This test verifies  both the system board and the CPU card.  If no error is detected, return to 'Checkout Guide'.
  2.  If FRU code 10 appears, replace the system board but do not replace  the CPU card. Transfer the CPU card from the old system  board to the new system board.
  3.  If FRU code 11 appears, reseat the CPU card.
  4.  Rerun the test to verify the fix.
  5.  If FRU code 11 remains, replace the CPU card.


If above procedure does not correct the problem, go to 'Undetermined Problems'.

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