IBM 560E Hardware Maintenance Manual - Page 23

Symptom-to-FRU Index, Numeric Error Codes, Symptom / Error, FRU / Action in Sequence, System board - manual

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Symptom-to-FRU Index The Symptom-to-FRU Index is a list containing symptoms, errors, 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 in Sequence" column. If a FRU replacement 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 the next possible FRUs to be replaced 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 31. Note: For IBM devices not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device. Numeric Error Codes Symptom / Error FRU / Action in Sequence 10X 1. System board. 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.) 1. Go to "Memory Checkout" on page 12. 2. DIMM card. 3. Detach the expansion unit if it is attached to the computer. 4. System board. ThinkPad 560Z HMM 21

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Symptom-to-FRU Index
The Symptom-to-FRU Index is a list containing symptoms,
errors, 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 in Sequence”
column.
If a FRU replacement 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 the next possible
FRUs to be replaced 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
31.
Note:
For IBM devices not supported by diagnostic
codes in the ThinkPad notebook computers,
see the manual for that device.
Numeric Error Codes
Symptom / Error
FRU / Action in Sequence
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.
1.
System board
.
110
(Planar parity.)
1.
Go to “Memory
Checkout” on
page 12.
2.
DIMM card.
3.
Detach the expansion
unit if it is attached to
the computer.
4.
System board.
ThinkPad 560Z HMM
21