Compaq 4120 Personal Computer User Manual


 
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Troubleshooting
2-11
6. Follow the instructions on the screen to cycle through the screens, to return to the list
and choose another item, or to print the information.
2.6 Diagnostic Error Codes
Diagnostic error codes occur if the system recognizes a problem while running the
Compaq Diagnostic program. These error codes help identify possibly defective
subassemblies.
Tables 2-4 through 2-14 list possible error codes, a description of the error condition,
and the action required to resolve the error condition.
IMPORTANT:
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
Chapter 5, "Removal and Replacement Procedures."
Table 2-4
Processor Test Error Codes
Error
Code Description Recommended Action
101-xx CPU test failed Replace the processor board and retest.
102-xx Coprocessor or Weitek Error
102-xx DMA page registers test failed Replace the system board and retest.
104-xx Interrupt controller master test failed
105-xx Port 61 error
106-xx Keyboard controller self-test failed
107-xx CMOS RAM test failed
108-xx CMOS interrupt test failed
109-xx CMOS clock test failed
110-xx Programmable timer load data test failed
112-xx Protected mode test failed
114-01 Speaker test failed
1. Check system configuration.
2.Verify cable connections to speaker.
2. Replace the system board and retest.