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                    DIAGS     IBM PC Diagnostic Error Codes

      Code       Description    (Diagnostic Error Codes)

         1x   undetermined problem errors
         2x   power supply errors
         61   battery error (PS/2)
         62   configuration changed but no adaptors changed or CRC error
         63   memory size during POST does not match CMOS RAM
         65   card Id's in CMOS do not match system

      1xx   System Board Errors
        101   system board failed
        102   BIOS ROM checksum error (PC, XT), Timer (AT)
        103   BASIC ROM checksum error (PC, XT), Timer interrupt (AT)
        104   interrupt controller (PC, XT), Protected mode (AT)
        105   timer (PC,XT), Last 8042 command not accepted (AT)
        106   converting logic test failure
        107   adapter card or math coprocessor (NMI)
        108   timer bus test
        109   DMA test error
        110   system board memory error (PS/2)
        111   adapter memory
        112   system unit adapter failure
        114   system unit and adapter card unit failure (PS/1)
        121   unexpected hardware interrupt
        131   cassette wrap test failed
        151   real-time clock, CMOS RAM or battery
        152   real-time clock
        161   system options error, battery failure
        162   CMOS RAM configuration error
        163   CMOS time and date not set
        164   system memory configuration is incorrect
        165   adapter added/removed
        199   user indicated configuration not correct

      2xx   RAM Errors
        201   memory test error
        202   memory address error (Line error  0 - 15)
        203   memory address error (Line error 16 - 23)
        216   motherboard memory

      3xx   Keyboard Errors
        301   keyboard did not respond to software reset or a stuck
              (number preceding 301 is scan code for stuck key)
        302   user indicated keyboard error or AT system unit is locked
        303   keyboard or system board error
        304   keyboard or system board error; CMOS does not match system
        341   replace keyboard
        342   replace keyboard interface cable
        343   replace enhancement card or cable
        365   keyboard (replace keyboard)
        366   interface cable (replace cable)
        367   enhancement card or cable (replace)

      4xx   Monochrome Monitor Errors
        401   monochrome memory test, horizontal sync frequency
              test, or video test failed
        408   user indicated display attributes failure
        416   user indicated character set failure
        424   user indicated 80x25 mode failure
        432   parallel port test failed (monochrome adapter)

      5xx   Color Monitor Errors
        501   CGA memory test failed, horizontal sync frequency test, or
              video test failed
        508   user indicated display attribute failure
        516   user indicated character set failure
        524   user indicated 80x25 mode failure
        532   user indicated 40x25 mode failure
        540   user indicated 320x200 graphics mode failure
        548   user indicated 640x200 graphics mode failure
        556   light pen test
        564   user indicated screen paging test

      6xx   Diskette Drive/Adapter Errors
        601   diskette power on diagnostics test failed
        602   diskette test failed (boot record not valid)
        603   diskette size error
        606   diskette verify function failed
        607   write protected diskette
        608   bad command diskette status returned
        610   diskette initialization failed
        611   time-out - diskette status returned
        612   bad NEC FDC - diskette status returned
        613   bad DMA - diskette status returned
        614   DMA boundary error
        621   bad seek - diskette status returned
        622   bad CRC - diskette status returned
        623   record not found - diskette status returned
        624   bad address mark - diskette status returned
        625   bad NEC seek - diskette status returned
        626   diskette data compare error
        627   diskette change line error
        628   diskette removed

      7xx   8087 Math Coprocessor
        701   coprocessor test failure

      9xx   Parallel Printer Adapter Errors
        901   parallel printer adapter test failed

      10xx  Alternate Parallel Printer Adapter
        1001  alternate printer adapter test failure

      11xx  Asynchronous Communications Adapter Errors
        1101  asynchronous communications adapter test failed
        1110  modem status register not clear
        1111  ring-indicate
        1112  trailing edge ring-indicate
        1113  receive and delta receive line signal detect
        1114  receive line signal detect
        1115  delta receive line signal detect
        1116  line control register: all bits cannot be set
        1117  line control register: all bits cannot be reset
        1118  transmit holding and/or shift register stuck on
        1119  data ready stuck on
        1120  interrupt enable register: all bits cannot be set
        1121  interrupt enable register: all bits cannot be reset
        1122  interrupt pending stuck on
        1123  interrupt ID register stuck on
        1124  modem control register: all bits cannot be set
        1125  modem control register: all bits cannot be reset
        1126  modem status register: all bits cannot be set
        1127  modem status register: all bits cannot be reset
        1128  interrupt ID
        1129  cannot force overrun error
        1130  no modem status interrupt
        1131  invalid interrupt pending
        1132  no data ready
        1133  no data available interrupt
        1134  no transmit holding interrupt
        1135  no interrupts
        1136  no received line status interrupt
        1137  no receive data available
        1138  transmit holding register not empty
        1139  no modem status interrupt
        1140  transmit holding register not empty
        1141  no interrupts
        1142  no IRQ4 interrupt
        1143  no IRQ3 interrupt
        1144  no data transferred
        1145  maximum baud rate
        1146  minimum baud rate
        1148  time-out error
        1149  invalid data returned
        1150  modem status register error
        1151  no DSR and delta DSR
        1152  no DSR
        1153  no delta DSR
        1154  modem status register not clear
        1155  no CTS and delta CTS
        1156  no CTS
        1157  no delta CTS

      12xx  Alternate Asynchronous Communications Adapter
        1200-1257 same as 1100-1157

      13xx  Game Control Adapter Errors
        1301  game control adapter test failed
        1302  joystick test failed
        1380  audio card and joystick (PS/1)

      14xx  Printer Errors
        1401  printer test failed
        1404  matrix printer failed

      15xx  SDLC Communications Adapter Errors
        1501  adapter test failure
        1510  8255 port b failure
        1511  8255 port a failure
        1512  8255 port c failure
        1513  8253 timer 1 did not reach terminal count
        1514  8253 timer 1 stuck on
        1515  8253 timer 0 did not reach terminal count
        1516  8253 timer 0 stuck on
        1517  8253 timer 2 did not reach terminal count
        1518  8253 timer 2 stuck on
        1519  8273 port b error
        1520  8273 port a error
        1521  8273 command/read time-out
        1522  interrupt level 4 failure
        1523  ring Indicate stuck on
        1524  receive clock stuck on
        1525  transmit clock stuck on
        1526  test indicate stuck on
        1527  ring indicate not on
        1528  receive clock not on
        1529  transmit clock not on
        1530  test indicate not on
        1531  DSR not on
        1532  CD not on
        1533  CTS not on
        1534  DSR stuck on
        1535  CD stuck on
        1536  CTS stuck on
        1537  level 3 interrupt failure
        1538  receive interrupt results error
        1539  wrap data compare error
        1540  DMA channel 1 error
        1541  DMA channel 1 error
        1542  error in 8273 error checking or status reporting
        1547  stray interrupt level 4
        1548  stray interrupt level 3
        1549  interrupt presentation sequence time-out

      16xx  Display Emulation Errors (327x, 5520, 525x)

      17xx  Fixed Disk Errors
        1701  post error
        1702  adapter error
        1703  drive error (seek)
        1704  adapter or drive error
        1705  no record found
        1706  write fault error
        1707  track 0 error
        1708  head select error
        1709  defective error check
        1710  read buffer overrun
        1711  bad address mark
        1712  undetermined error
        1713  data compare error
        1714  drive not ready
        1780  disk 0 failure
        1781  disk 1 failure
        1782  disk controller failure
        1790  fixed disk 0 error
        1791  fixed disk 1 error

      18xx  I/O Expansion Unit Errors
        1801  I/O expansion unit POST error
        1810  enable/disable failure
        1811  extender card wrap test failed (disabled)
        1812  high order address lines failure (disabled)
        1813  wait state failure (disabled)
        1814  enable/disable could not be set on
        1815  wait state failure (enabled)
        1816  extender card wrap test failed (enabled)
        1817  high order address lines failure (enabled)
        1818  disable not functioning
        1819  wait request switch not set correctly
        1820  receiver card wrap test failure
        1821  receiver high order address lines failure

      19xx  3270 PC Attachment Card Errors

      20xx  Bisync Communications Adapter Errors
        2010  8255 port a failure
        2011  8255 port b failure
        2012  8255 port c failure
        2013  8253 timer 1 did not reach terminal count
        2014  8253 timer 1 stuck on
        2016  8253 timer 2 didn't reach terminal count or timer 2 stuck on
        2017  8251 DSR failed to come on
        2018  8251 CTS not sensed
        2019  8251 DSR stuck on
        2020  8251 CTS stuck on
        2021  8251 hardware reset failed
        2022  8251 software reset failed
        2023  8251 software error reset failed
        2024  8251 transmit ready did not come on
        2025  8251 receive ready did not come on
        2026  8251 could not force "overrun" error status
        2027  interrupt failure, no timer interrupt
        2028  transmit interrupt, card or planar failure
        2029  transmit interrupt, card failure
        2030  receive interrupt, card or planar failure
        2031  receive interrupt, card failure
        2033  ring indicate stuck on
        2034  receive clock stuck on
        2035  transmit clock stuck on
        2036  test indicate stuck on
        2037  ring indicate stuck on
        2038  receive clock not on
        2039  transmit clock not on
        2040  test indicate not on
        2041  DSR not on
        2042  CD not on
        2043  CTS not on
        2044  DSR stuck on
        2045  CD stuck on
        2046  CTS stuck on
        2047  unexpected transmit interrupt
        2048  unexpected receive interrupt
        2049  transmit data did not equal receive data
        2050  8251 detected overrun error
        2051  lost DSR during data wrap
        2052  receive time-out during data wrap

      21xx  Alternate Bisync Communications Adapter Errors
        2100-2152 same as 2000-2052

      22xx  Cluster Adapter Errors

      24xx  EGA Errors
        2401  adapter test failure
        2408  user-indicated display attributes
        2416  user-indicated character set
        2424  user-indicated 80x25 mode
        2432  user-indicated 40x25 mode
        2440  user-indicated 320x200 graphics mode
        2448  user-indicated 640x200 graphics mode
        2456  light pen test
        2464  user-indicated screen paging test

      2501  EGA Display Error

      28xx  3278/79 Emulator Adapter (PC, XT)

      29xx  Color Matrix Printer Errors

      30xx  Local Area Network Adapter

      31xx  Alternate Local Area Network Adapter

      33xx  Compact Printer Errors

      36xx  IEEE 488 Adapter

      37xx  Reserved for Future Use

      38xx  Data Acquisition Adapter

      39xx  PGA Display and/or Adapter

      48xx  Internal Modem

      49xx  Alternate Internal Modem

      71xx  Voice Communications Adapter

      73xx  3.5 Inch Diskette Drive
        7301  diskette drive/adapter test failure
        7306  diskette change line error
        7307  write-protected diskette
        7308  bad command
        7310  track zero error
        7311  timeout
        7312  bad NEC7313 bad DMA
        7314  DMA boundary error
        7315  bad index
        7316  speed error
        7321  bad seek
        7322  bad CRC
        7323  record not found
        7324  bad address mark
        7325  bad NEC seek

      86xx  PS/1 Mouse Error


        - all error codes for the diagnostic and advanced diagnostic
          packages for the PC, XT and AT are represented with the device
          number followed by two digits other than 00.  The device number
          plus 00 represents successful completion of the test.