E-2 Diagnostic Error Codes
Tables E-2 through E-18 list possible error codes, descriptions of each error condition, and actions
required 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 Chapters 5 and 6,
"Removal and Replacement Procedures."

Table E-2

Microprocessor Test Error Codes

Error
Code Description Recommended Action
0101-xx CPU test failed. Replace the system board and retest.
0102-xx Coprocessor error. 1.Run Computer Checkup or Computer Setup and retest.
2.Replace the system board and retest.
0103-xx DMA controller failed. The following step applies to error codes 0103-xx through 0106-xx:
0104-xx Interrupt controller failed. Replace the system board and retest.
0105.xxx Port error.
0106-xx Keyboard controller self-test failed.
0107-xx CMOS RAM test failed. The following steps apply to error codes 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. The following step applies to error codes 0110-xx through 0113-01:
0113-01 Protected mode test failed. Replace the system board and retest.
0114-01 Speaker test failed. 1.Verify the speaker connection.
2.Replace the system board and retest.