Service Reference Guide
E–2 Service Reference Guide
Diagnostic Error Codes
The remaining tables list possible error codes (AABB-CC), descriptions of each error condition,
and recommended actions to resolve the error condition.
✎
Retest the system after completing each step. If the problem has been resolved, do not proceed
with the remaining steps.
For assistance in the removal and replacement of a particular subassembly, see the “Removal and
Replacement Procedures” chapter in this manual.
Microprocessor
Error Code Description Recommended Action
0101-xx CPU test failed. The following steps apply to 0101-xx through
0102-xx:
0102-xx Coprocessor error. 1. Run Computer Checkup or Computer Setup
and retest.
2. Replace processor and retest.
3. Replace the system board and retest.
0103-xx DMA controller failed. The following step applies to 0103-xx through
0106-xx:
0104-xx Interrupt controller failed. Replace the system board and retest.
0105-xx Port error.
0106-xx Keyboard controller self-test
failed.
0107-xx CMOS RAM test failed. The following steps apply to 0107-xx through
0109-xx:
0108-xx CMOS interrupt test failed. 1. Replace the battery/clock module and
retest.
0109-xx CMOS clock test failed. 2. Replace the system board and retest.
0110-xx Programmable timer test
failed.
3. Replace the system board and retest.
0113-01 Protected mode test failed. Replace the system board and retest.
0114-01 Speaker test failed. Verify the speaker connection.
Replace speaker (if applicable) and retest.
Replace the system board and retest.
0199-xx Installed devices test failed. Check system configuration.
Verify cable connections.
Check switch settings.
Run Diagnostics utility.
Remove all devices except processor and
replace one-at-a-time until a failure occurs.
Replace the system board.










