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Symptom-to-FRU Index
The Symptom-to-FRU Index lists the symptoms and errors
and the possible causes. The most likely cause is listed
first.
Note
Perform the FRU replacement or actions in the
sequence shown in the "FRU/Action" columns. If a
FRU did not solve the problem, put the original part
back in the computer. Do not replace a non-defective
FRU.
This index can also be used to help you decide which
FRUs to have available when servicing a computer.
Numeric error codes show the errors detected in POST or
system operation. In the following error codes, X can be
any number.
If no codes are available, use narrative symptoms.
If the symptom is not listed, go to "Undetermined
Problems" on page 116.
Note
For any IBM device not supported by the diagnostic
codes in this ThinkPad computer, see the manual for
that device.
Numeric Error Codes
Symptom / Error
10X
101
Interrupt failure.
102
Timer failure.
103
Timer interrupt failure.
104
Protected mode
failure.
105
Last 8042 command
not accepted.
107
NMI test failure.
108
Timer bus test failure.
109
Low meg-chip select
test.
110
(Planar parity.)
106
IBM Mobile Systems - ThinkPad HMM Volume 3
FRU / Action in Sequence
1. System Board
1. Go to "Memory
Checkout" on
page 97.
2. DIMM
3. The computer is
attached to a Port
Replicator.
4. System Board
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