Diagnostic Error Codes for the IBM PC
Diagnostic Error Codes for the IBM PC
code Description
101 Main system board failed.
109 Direct memory access test error
121 Unexpected hardware interrupts occurred.
131 Cassette wrap test failed.
199 User indicated configuration not correct.
201 Memory test failed
301 Keboard did not respond to software reset correctly or a
stuck key failure was detected. If a stuck key was
detected, the scan code for the key is displayed.
302 User indicated error from the keyboard test.
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 ).
501 Color 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.
601 Diskette power on diagnostics test failed.
602 Diskette test failed
606 Diskette verify function failed.
607 Write protected diskette.
608 Bad command diskette status returned.
610 Diskette initialization failed.
611 Timeout - diskette status returned.
612 bad NEC - diskette status returned.
613 Bad DMA - diskette status returned.
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.
7xx 8087 math coprocessor
901 Parallel printer adapter test failed.
10xx Reserved for parallel printer adapter.
1101 Asynchronous communications adapter test failed. (Is the
wrap plug on?)
1201 Alternate Asynchronous communications adapter test failed.
1301 Game control adapter test failed.
1302 Joystick test failed.
1401 Printer test failed.
15xx Sdlc communications adapter errors.
1510 8255 port B failure.
1511 8255 port A failure.
1512 8255 prot 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 timeout.
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 Data set ready not on.
1532 Carrier detect not on.
1533 Clear to send not on.
1534 Data set ready stuck on.
1536 Clear to send stuck on.
1537 Level 3 interrupt failure.
1538 Receive interrupt results error.
1539 Wrap data miscompare.
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 timeout.
17xx Fixed Disk errors.
1701 Fixed disk Post error.
1702 Fixed disk adapter error.
1703 Fixed disk drive error
1704 Fixed disk adapter or drive 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 addtess lines failure (disabled).
1813 Wait state failure (disabled).
1814 Enable/Diaable could not be set on.
1815 Wait state failure (enabled).
1816 Extender card wrap test failed (enabled).
1817 High order adress 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
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 did not reach terminal count or timer 2 stuck
on.
2017 8251 Data set ready failed to come on
2018 8251 Clear to send not sensed
2019 8251 Data set ready stuck on
2020 8251 Clear to send 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 Interrupt failure-transmit, replace card or planar
2029 Interrupt failure-transmit, replace card
2030 Interrupt failure-receive, replace card or planar
2031 Interrupt failure-receive, replace card
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 incicate not on
2041 Data set ready not on
2042 Carrier detect not on
2043 Clear to send not on
2044 Data set ready stuck on
2045 Carrier detect stuck on
2046 Clear to send 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 data set ready during data wrap
2052 Receive timeout during data wrap
21xx Alternate bisync communications adapter errors
2110 8255 port a failure
2111 8255 port b failure
2112 8255 port c failure
2113 8253 timer 1 did not reach terminal count
2114 8253 timer 1 stuck on
2116 8253 timer 2 did not reach terminal count or
2117 8251 Date set ready failed to come on
2117 8251 Clear to send not sensed
2118 8251 Data set ready stuck on
2119 8251 Clear to send stuck on
2120 8251 hardware reset failed
2121 8251 software reset failed
2122 8251 software "error reset" failed
2123 8251 transmit ready did not come on
2124 8251 receive ready did not come on
2125 8251 could not force "overrun" error status
2126 Interrupt failure-no timer interrupt
2128 Interrupt failure-transmit, replace card or
2129 Interrupt failure-transmit, replace card
2130 Interrupt failure-receive, replace card or planar
2131 Interrupt failure-receive, replace card
2133 Ring indicate stuck on
2134 Receive clock stuck on
2135 Transmit clock stuck on
2136 Test indicate stuck on
2137 Ring indicate stuck on
2138 Receive clock not on
2139 Transmit clock not on
2140 Test incicate not on
2142 Data set ready not on
2142 Carrier detect not on
2143 Clear to send not on
2144 Data set ready stuck on
2145 Carrier detect stuck on
2146 Clear to send stuck on
2147 Unexpected transmit interrupt
2148 Unexpected receive interrupt
2149 Transmit data did not equal receive data
2150 8251 detected overrun error
2151 Lost data set ready during data wrap
2152 Receive timeout during data wrap
All personal computer error codes for the diagnostic and advanced
diagnostic package are represented with the device number
followed by two digits other than 00. The device number plus 00
represents successful completion of the test.
--------------------------------------
Downloaded from the IBMPC special interest area of CompuServe,
uploaded to PCanada by Bob Leigh, PC1022.
b Leigh, PC1022.
code Description
101 Main system board failed.
109 Direct memory access test error
121 Unexpected hardware interrupts occurred.
131 Cassette wrap test failed.
199 User indicated configuration not correct.
201 Memory test failed
301 Keboard did not respond to software reset correctly or a
stuck key failure was detected. If a stuck key was
detected, the scan code for the key is displayed.
302 User indicated error from the keyboard test.
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 ).
501 Color 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.
601 Diskette power on diagnostics test failed.
602 Diskette test failed
606 Diskette verify function failed.
607 Write protected diskette.
608 Bad command diskette status returned.
610 Diskette initialization failed.
611 Timeout - diskette status returned.
612 bad NEC - diskette status returned.
613 Bad DMA - diskette status returned.
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.
7xx 8087 math coprocessor
901 Parallel printer adapter test failed.
10xx Reserved for parallel printer adapter.
1101 Asynchronous communications adapter test failed. (Is the
wrap plug on?)
1201 Alternate Asynchronous communications adapter test failed.
1301 Game control adapter test failed.
1302 Joystick test failed.
1401 Printer test failed.
15xx Sdlc communications adapter errors.
1510 8255 port B failure.
1511 8255 port A failure.
1512 8255 prot 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 timeout.
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 Data set ready not on.
1532 Carrier detect not on.
1533 Clear to send not on.
1534 Data set ready stuck on.
1536 Clear to send stuck on.
1537 Level 3 interrupt failure.
1538 Receive interrupt results error.
1539 Wrap data miscompare.
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 timeout.
17xx Fixed Disk errors.
1701 Fixed disk Post error.
1702 Fixed disk adapter error.
1703 Fixed disk drive error
1704 Fixed disk adapter or drive 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 addtess lines failure (disabled).
1813 Wait state failure (disabled).
1814 Enable/Diaable could not be set on.
1815 Wait state failure (enabled).
1816 Extender card wrap test failed (enabled).
1817 High order adress 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
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 did not reach terminal count or timer 2 stuck
on.
2017 8251 Data set ready failed to come on
2018 8251 Clear to send not sensed
2019 8251 Data set ready stuck on
2020 8251 Clear to send 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 Interrupt failure-transmit, replace card or planar
2029 Interrupt failure-transmit, replace card
2030 Interrupt failure-receive, replace card or planar
2031 Interrupt failure-receive, replace card
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 incicate not on
2041 Data set ready not on
2042 Carrier detect not on
2043 Clear to send not on
2044 Data set ready stuck on
2045 Carrier detect stuck on
2046 Clear to send 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 data set ready during data wrap
2052 Receive timeout during data wrap
21xx Alternate bisync communications adapter errors
2110 8255 port a failure
2111 8255 port b failure
2112 8255 port c failure
2113 8253 timer 1 did not reach terminal count
2114 8253 timer 1 stuck on
2116 8253 timer 2 did not reach terminal count or
2117 8251 Date set ready failed to come on
2117 8251 Clear to send not sensed
2118 8251 Data set ready stuck on
2119 8251 Clear to send stuck on
2120 8251 hardware reset failed
2121 8251 software reset failed
2122 8251 software "error reset" failed
2123 8251 transmit ready did not come on
2124 8251 receive ready did not come on
2125 8251 could not force "overrun" error status
2126 Interrupt failure-no timer interrupt
2128 Interrupt failure-transmit, replace card or
2129 Interrupt failure-transmit, replace card
2130 Interrupt failure-receive, replace card or planar
2131 Interrupt failure-receive, replace card
2133 Ring indicate stuck on
2134 Receive clock stuck on
2135 Transmit clock stuck on
2136 Test indicate stuck on
2137 Ring indicate stuck on
2138 Receive clock not on
2139 Transmit clock not on
2140 Test incicate not on
2142 Data set ready not on
2142 Carrier detect not on
2143 Clear to send not on
2144 Data set ready stuck on
2145 Carrier detect stuck on
2146 Clear to send stuck on
2147 Unexpected transmit interrupt
2148 Unexpected receive interrupt
2149 Transmit data did not equal receive data
2150 8251 detected overrun error
2151 Lost data set ready during data wrap
2152 Receive timeout during data wrap
All personal computer error codes for the diagnostic and advanced
diagnostic package are represented with the device number
followed by two digits other than 00. The device number plus 00
represents successful completion of the test.
--------------------------------------
Downloaded from the IBMPC special interest area of CompuServe,
uploaded to PCanada by Bob Leigh, PC1022.
b Leigh, PC1022.
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