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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 list of descriptions 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
401-498 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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Processor Test Error Codes

Error Code Description Recommended Action
101-xx CPU test failed Replace the system board and retest.
102-xx Processor error 1. Run Computer Checkup or Setup
and retest.

2. Replace the processor and retest.

103-xx DMA controller failed Replace the system board and retest.
104-xx Interrupt controller failed Replace the system board and retest.
105-xx Port error Replace the system board and retest.
106-xx Keyboard controller self-test failed Replace the system board and retest.
107-xx CMOS RAM test failed The following steps apply to error codes 107-xx through 109-xx:
108-xx CMOS interrupt test failed 1. Replace the battery/clock module and retest.
109-xx CMOS clock test failed 2. Replace the system board and retest.
110-xx Programmable timer test failed The following step applies to error codes 110-xx through 113-01:
111-xx Refresh detect test failed Replace the system board and retest.
112-xx Speed test failed ¡@
113-01 Protected mode test failed ¡@
114-xx Speaker test failed 1. Verify the speaker connection.

2. Replace the system board and retest.

199-xx Installed devices test failed 1. Check system configuration.

2. Verify cable connections.

3. Check switch settings.

4. Run Compaq Utilities.

5. Replace the system board and retest.

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Memory Test Error Codes

Error
Code

Description

Recommended Action
200-xx Invalid memory configuration 1. Verify memory module value compatibility.

2. Reinsert memory in the correct location.

201-xx Memory machine ID test failed The following steps apply to error codes 201-xx and 202-xx:
202-xx Memory system ROM checksum failed 1. Flash the ROM and retest.

2. Replace the memory and retest.

3. Replace the system board and retest.

203-xx Memory write/read test failed The following steps apply to error codes 203-xx through 210-xx:
204-xx Memory address test failed 1. Remove one memory module at a time until the error message stops.
206-xx Increment pattern test failed 2. Replace other removed modules one at a time, testing each to ensure the error does not return.
210-xx Random pattern test failed 3. Replace the system board and retest.

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Keyboard Test Error Codes

Error
Code

Description

Recommended Action
301-xx Keyboard short test, 8042 self-test failed The following steps apply to error codes 301-xx through 304-xx:
302-xx Keyboard long test failed 1. Check the keyboard connection. If disconnected, turn the computer off and connect the keyboard.
303-xx Keyboard LED test, 8042 self-test failed 2. Replace the keyboard and retest.
304-xx Keyboard typematic test failed 3. Replace the system board and retest.

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Parallel Printer Test Error Codes

Error
Code

Description

Recommended Action
401-xx Printer failed or not connected The following steps apply to error codes 401-xx through 498-xx:
1. Connect the printer.
402-xx Printer data register failed 2. Check power to the printer.
403-xx Printer pattern test failed 3. Install the loop-back connector and retest.
498-xx Printer failed or not connected 4. Replace system board and retest.

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Video Display Unit Test Error Codes

Error
Code

Description

Recommended Action
501-xx Video controller test failed The following step applies to error codes
501-xx through 516-xx:
502-xx Video memory test failed Replace the system board and retest.
503-xx Video attribute test failed
504-xx Video character set test failed
505-xx Video 80x25 mode 9x14 character cell test failed
506-xx Video 80x25 mode 9x14 character cell test failed
507-xx Video 40x25 mode test failed
508-xx Video 320x200 mode color set 0 test failed
509-xx Video 320x200 mode color set 1 test failed
510-xx Video 640x200 mode test failed
511-xx Video screen memory page test failed
512-xx Video gray scale test failed
514-xx Video white screen test failed
516-xx Video noise pattern test failed

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Diskette Drive Test Error Codes

Error
Code

Description

Recommended Action
600-xx Diskette ID drive types test failed The following steps apply to error codes 600-xx through 698-xx:
601-xx Diskette format failed 1. Replace the diskette and retest.
602-xx Diskette read test failed 2. Check and/or replace the diskette power and signal cables and retest.
603-xx

604-xx

Diskette write, read, compare test failed

Diskette random seek test failed

3. Replace the diskette drive and retest.

4. Replace the system board and retest.

605-xx Diskette ID media test failed
606-xx Diskette speed test failed
607-xx Diskette wrap test failed
608-xx Diskette write-protect test failed
609-xx Diskette reset controller test failed
610-xx Diskette change line test failed
694-xx Pin 34 is not cut on 360KB diskette drive
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 Setup.

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Monochrome Video Test Error Codes

Error
Code

Description

Recommended Action
802-xx Video memory test failed The following step applies to error codes 802-xx through 824-xx:
824-xx Monochrome video text mode test failed Replace the system board and retest.

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Revised: 19 Nov. 1999