Maintenance &
Service Guide
Presario 1660 Model
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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.
The following tables list 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 the removal and replacement of a particular subassembly, see Removal and Replacement Procedures.
Select error codes by number or type:
| Error Code | Description | Recommended Action |
|---|---|---|
| 101-xx | CPU test failed | Replace the processor and retest. |
| 102-xx | Coprocessor or Weitek Error | 1. Run the Configuration and
Diagnostics Utilities. 2. Replace the processor board and retest. |
| 103-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 | |
| 113-xx | Protected mode test failed | |
| 114-01 | Speaker test failed | 1. Check system configuration. 2. Verify cable connections to speaker. 3. Replace the system board and retest. |
| 200-xx | Memory machine ID test failed | 1. Flash the system
ROM and retest. 2. Replace the system board and retest. |
| 202-xx | Memory system ROM checksum failed | |
| 203-xx | Write/Read test failed | 1. Remove the memory
module and retest. 2. Install a new memory module and retest. |
| 204-xx | Address test failed | |
| 211-xx | Random pattern test failed | |
| 214-xx | Noise test failed | |
| 215-xx | Random address test failed | |
| Keyboard Test Error Codes | ||
| 300-xx | Failed ID Test | 1. Check the keyboard
connection. If disconnected, turn off the computer and connect the keyboard. 2. Replace the keyboard and retest. 3. Replace the system board and retest. |
| 301-xx | Failed Selftest/Interface Test | |
| 302-xx | Failed Individual Key Test | |
| 304-xx | Failed Keyboard Repeat Test | |
| 401-xx | Printer failed or not connected | 1. Connect the
printer. 2. Check power to the printer. 3. Install the loop-back connector and retest. 4. Check port and IRQ configuration. 5. Replace the system board and retest. |
| 402-xx | Failed Port Test | |
| 403-xx | Printer pattern test failed | |
| Diskette Drive Test | ||
| 600-xx | Diskette ID drive
types test failed |
1.
Replace the diskette media and retest. 2. Check and/or replace the diskette power and signal cables and retest. 3. Replace the diskette drive and retest. 4. Replace the system board and retest. |
| 601-xx | Diskette format failed | |
| 602-xx | Diskette read test failed | |
| 603-xx | Diskette write, read, compare test failed | |
| 604-xx | Diskette random read test failed | |
| 605-xx | Diskette ID media failed | |
| 606-xx | Diskette speed test failed | |
| 609-xx | Diskette reset controller test failed | |
| 610-xx | Diskette change line test failed | |
| 697-xx | Diskette type error | |
| 698-xx | Diskette drive speed not within limits | |
| 699-xx | Diskette drive/media ID error | 1. Replace media. 2. Run the Configuration and Diagnostics Utilities. |
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