IBM 2652 Hardware Maintenance Manual - Page 57

Symptom-to-FRU index, Numeric error codes, If no numeric code is displayed, check the narrative - thinkpad type

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Symptom-to-FRU index 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 59. 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 FRU or action, in sequence 0175 Bad CRC1, stop POST task-The EEPROM checksum is not correct. System board. 0176 System Security-The system has been tampered with. 1. Run IBM BIOS Setup Utility, and then save current setting by pressing F10. 2. System board. 0187 EAIA data access error-The access to EEPROM is failed. System board. 0188 Invalid RFID serialization information area or bad CRC2-The EEPROM checksum is not correct. System board. ThinkPad A30, A30p, A31, A31p 53

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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 59.
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
FRU or action, in sequence
0175
Bad CRC1, stop POST
task—The EEPROM checksum
is not correct.
System board
.
0176
System Security—The system
has been tampered with.
1.
Run IBM BIOS Setup
Utility, and then save
current setting by
pressing F10.
2.
System board.
0187
EAIA data access error—The
access to EEPROM is failed.
System board
.
0188
Invalid RFID serialization
information area or bad
CRC2—The EEPROM
checksum is not correct.
System board
.
Symptom-to-FRU index
ThinkPad A30, A30p, A31, A31p
53