Appendix A Error Messages and Codes
Compaq Personal Computers
Changed - November 2000
A-4
A.5 MEMORY ERROR MESSAGES (2xx-xx)
Table A–4. Memory Error Messages
            Table A-4. 
         Memory Error Messages
Message Probable Cause 
200-04  Real memory size changed 
200-05  Extended memory size changed 
200-06  Invalid memory configuration 
200-07  Extended memory size changed 
200-08  CLIM memory size changed 
201-01  Memory machine ID test failed 
202-01  Memory system ROM checksum failed 
202-02  Failed RAM/ROM map test 
202-03  Failed RAM/ROM protect test 
203-01  Memory read/write test failed 
203-02  Error while saving block in read/write test 
203-03  Error while restoring block in read/write test 
204-01  Memory address test failed 
204-02  Error while saving block in address test 
204-03  Error while restoring block in address test 
204-04  A20 address test failed 
204-05  Page hit address test failed 
205-01  Walking I/O test failed 
205-02  Error while saving block in walking I/O test 
205-03  Error while restoring block in walking I/O test 
206-xx  Increment pattern test failed 
207-xx ECC failure 
210-01  Memory increment pattern test 
210-02  Error while saving memory during increment pattern test 
210-03  Error while restoring memory during increment pattern test 
211-01  Memory random pattern test 
211-02  Error while saving memory during random memory pattern test 
211-03  Error while restoring memory during random memory pattern test 
213-xx  Incompatible DIMM in slot x 
214-xx  Noise test failed 
215-xx  Random address test  
A.6 KEYBOARD ERROR MESSAGES (30x-xx)
Table A–5. Keyboard Error Messages
Table A-5.
        Keyboard Error Messages
Message Probable Cause Message  Probable Cause 
300-xx  Failed ID test  303-05  LED test, LED command test failed 
301-01  Kybd short test, 8042 self-test failed  303-06  LED test, LED command test failed 
301-02  Kybd short test, interface test failed  303-07  LED test, LED command test failed 
301-03  Kybd short test, echo test failed  303-08  LED test, command byte restore test failed 
301-04  Kybd short test, kybd reset failed  303-09  LED test, LEDs failed to light 
301-05  Kybd short test, kybd reset failed  304-01  Keyboard repeat key test failed 
302-xx  Failed individual key test  304-02  Unable to enter mode 3 
302-01  Kybd long test failed  304-03  Incorrect scan code from keyboard 
303-01  LED test, 8042 self-test failed  304-04  No Make code observed 
303-02  LED test, reset test failed  304-05  Cannot /disable repeat key feature 
303-03  LED test, reset failed  304-06  Unable to return to Normal mode 
303-04  LED test, LED command test failed  --  --