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Maintenance & Service Guide
Presario 3500 Series Personal Computers

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Diagnostic Error Codes

Diagnostic error codes occur if the system recognizes a problem while running the Compaq Utilities TEST program. These error codes help identify possible defective subassemblies.

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 Removal and Replacement Procedures.

Click on the desired error code range or corresponding test for a description of each error condition and actions required to resolve the error condition.

Error Code Range Test
101-199 Processor Test
200-210 Memory Test
301-304 Keyboard Test
400-498 Parallel Printer Test
501-516 Video Display Unit Test
600-699 Diskette Drive Test
802-824 Monochrome Video Test
1101-1109 Serial Test
1201-1210 Modem Communications Test
1700-1799 Hard Drive Test
2402-2480 Video Test
3206 Audio Test
3301-3305
66xx
CD Drive Test
8601 Pointing Interface Device Test

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Serial Test Error Codes

Error Code Description Recommended Action
1101-xx Serial Port Test The following steps apply to error codes 1101-xx through 1109-xx:
1109-xx Clock Register Test 1. Check the switch settings on the serial/parallel device, if applicable.

2. Replace the system board and retest.

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Modem Communications Test Error Codes

Error Code Description Recommended Action
1201-xx Modem Internal Loop-Back Test The following steps apply to error codes 1201-xx through 1210-xx:
1202-xx Modem Time-Out Error 1. Refer to modem documentation for correct Setup procedures.
1203-xx Modem External Termination Test 2. Check the modem line.
1204-xx Modem Auto Originate Test 3. Replace the modem and retest.
1206-xx Dial Multifrequency Tone Test
1210-xx Modem Direct Connect Test

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Hard Drive Test Error Codes

Error Code Description Recommended Action
1700-xx Hard drive ID types test failed The following steps apply to error codes 1700-xx through 1799-xx:
1701-xx Hard drive format test failed 1. Run Setup and verify drive type.
1702-xx Hard drive read test failed 2. Replace the hard drive signal and power cables and retest.
1703-xx Hard drive write/read/compare test failed 3. Replace the hard drive and retest.

4. Replace the system board and retest.

1704-xx Hard drive random seek test failed
1705-xx Hard drive controller test failed
1706-xx Hard drive ready test failed
1707-xx Hard drive recalibration test failed
1708-xx Hard drive format bad track test failed
1709-xx Hard drive reset controller test failed
1710-xx Hard drive park head test failed
1714-xx Hard drive file write test failed
1715-xx Hard drive head select test failed
1716-xx Hard drive conditional format test failed
1717-xx Hard drive ECC* test failed
1719-xx Hard drive power mode test failed
1730-x Fixed Disk 0 does not support DMA Mode
1731-x Fixed Disk 1 does not support DMA Mode
1740-x Fixed Disk 0 failed Set Block Mode command
1741-x Fixed Disk 1 failed Set Block Mode command
1750-x Fixed Disk 0 failed Identify command
1751-x Fixed Disk 1 failed Identify command
1760-x Fixed Disk 0 does not support Block Mode
1761-x Fixed Disk 1 does not support Block Mode
1790-x Disk 0 Configuration Error
1792-x Secondary Disk Controller Failure
1799-xx Invalid hard drive type failed

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Video Test Error Codes

Error Code Description Recommended Action
2402-xx Video memory test failed The following steps apply to error codes 2402-xx through 2456-xx:
2403-xx Video attribute test failed 1. Run Setup.
2404-xx Video character set test failed 2. Replace the system board and retest.
2405-xx Video 80x25 mode 9x14 character cell test failed ¡@
2406-xx Video 80x25 mode 8x8 character cell test failed ¡@
2407-xx Video 40x25 mode test failed ¡@
2408-xx Video 320x200 mode color set 0 test failed ¡@
2409-xx Video 320x200 mode color set 1 test failed ¡@
2410-xx Video 640x200 mode test failed ¡@
2411-xx Video screen memory page test failed ¡@
2412-xx Video gray scale test failed ¡@
2414-xx Video white screen test failed ¡@
2416-xx Video noise pattern test failed The following steps apply to error codes 2402-xx through 2456-xx:
2418-xx ECG/VGC memory test failed 1. Run Setup.
2419-xx ECG/VGC ROM checksum test failed 2. Replace the system board and retest.
2420-xx ECG/VGC attribute test failed
2421-xx ECG/VGC 640x200 graphics mode test failed
2422-xx ECG/VGC 640x350 16-color set test failed
2423-xx ECG/VGC 640x350 64-color set test failed
2424-xx ECG/VGC monochrome text mode test failed
2425-xx 640x480 graphics test failure
2431-xx 640x480 graphics test failure
2432-xx 320x200 graphics (256-color mode) test failed
2448-xx Advanced VGA Controller test failed
2451-xx 132-column Advance VGA test failed
2456-xx Advanced VGA 256-Color test failed
2468-xx Advanced VGA BitBLT test The following steps apply to error codes 2468-xx through 2480-xx:
2477-xx Advanced VGA datapath test 1. Run Setup.
2478-xx Advanced VGA BitBLT test 2. Replace the system board and retest.
2480-xx Advanced VGA Linedraw test

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Pointing Device Interface Test Error Codes

Error Code Description Recommended Action
8601-xx Pointing Device Interface test failed 1. Replace with a working pointing device and retest.

2. Replace the system board and retest.

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Audio Test Error Codes

Error Code Description Recommended Action
3206-xx Audio System Internal Error Replace the system board and retest.

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CD Drive Test Error Codes

Error Code Description Recommended Action
3301-xx
3305-xx
66XX-xx
CD drive read test failed The following steps apply to error codes 3301-xx through 3305-xx and 66XX-xx:

1. Replace the CD and retest.

2. Check the jumper settings on the CD drive.

3. Check and/or replace the power and signal
cables and retest.

4. Replace the CD drive and retest.

5. Replace the backplane.

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Revised: 19 Nov. 1999