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IBM thinkpad x30 Hardware Maintenance Manual: Symptom-to-fru Index; Numeric Error Codes

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Symptom-to-FRU index

The symptom-to-FRU index in this section lists symptoms
and errors and their possible causes. The most likely
cause is listed first, in boldface type.
Note: Do the FRU replacement or other actions in the
sequence shown in the column headed "FRU or
action, in sequence." If replacing a FRU does not
solve the problem, put the original part back in the
computer. Do not replace a nondefective FRU.
This index can also help you determine, during regular
servicing, what FRUs are likely to need to be replaced
next.
A numeric error is displayed for each error detected in
POST or system operation. In the displays, n can be any
number.
If no numeric code is displayed, check the narrative
descriptions of symptoms. If the symptom is not described
there, go to "Intermittent problems" on page 55.
Note
For an IBM device not supported by diagnostic
codes in the ThinkPad notebook computers, see the
manual for that device.

Numeric error codes

Symptom or error
0175
Bad CRC1, stop POST
task—The EEPROM checksum
is not correct.
0176
System Security—The system
has been tampered with.
0187
EAIA data access error—The
access to EEPROM is failed.
0188
Invalid RFID serialization
information area or bad
CRC2—The EEPROM
checksum is not correct.
Symptom-to-FRU index
FRU or action, in sequence
System board.
1. Run IBM BIOS Setup
Utility, and then save
current setting by
pressing F10.
2. System board.
System board.
System board.
ThinkPad X30
49

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