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This section contains information on the following:
IBM
Award Modular BIOS
Mylex 386 System BIOS
Quadtel AT Compatible BIOS
MR BIOS
Checkpoint Codes for AMI BIOS (pre-4/9/90)
AMI BIOS
AMI Color BIOS (after 2/1/91)
All personal computer error codes for the Power On Self Test, General
Diagnostics, and Advanced Diagnostics consist of a device number followed by two digits other than 00. (The device number plus 00 indicates successful completion of the test.)
This list is a compilation from various sources, including USENET's
Info-IBMPC Digest, IBM Technical Reference Manuals, and IBM Hardware,
Maintenance and Service manuals.
01xUndetermined problem errors.
02xPower supply errors.
1xxSystem board errors.
101System board error - Interrupt failure.
102System board error - Timer failure.
103System board error - Timer interrupt failure.
104System board error - Protected mode failure.
105System board error - Last 8042 command not accepted.
106System board error - Converting logic test.
107System board error - Hot NMI test.
108System board error - Timer bus test.
109Direct memory access test error.
121Unexpected hardware interrupts occurred.
131Cassette wrap test failed.
152
161System Options Error-(Run SETUP) [Battery failure].
162System options not set correctly-(Run SETUP).
163Time and date not set-(Run SETUP).
164Memory size error-(Run SETUP).
199User-indicated configuration not correct.
2xxMemory (RAM) errors.
201Memory test failed.
202Memory address error.
203Memory address error.
3xxKeyboard errors.
301Keyboard 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 in hexadecimal. For
example, the error code 49 301 indicates that key 73, the
PgUp key, has failed (49 hex = 73 decimal).
302User-indicated error from the keyboard test, or AT keylock
is locked.
303Keyboard or system unit error.
304Keyboard or system unit error; CMOS does not match system.
4xxMonochrome monitor errors.
401Monochrome memory test, horizontal sync frequency test, or
video test failed.
408User-indicated display attributes failure.
416User-indicated character set failure.
424User-indicated 80 X 25 mode failure.
432Parallel port test failed (monochrome adapter).
5xxColor monitor errors.
501 Color memory test failed, horizontal sync frequency test, or
video test failed.
508User-indicated display attribute failure.
516User-indicated character set failure.
524User-indicated 80 X 25 mode failure.
532User-indicated 40 X 25 mode failure.
540User-indicated 320 X 200 graphics mode failure.
548User-indicated 640 X 200 graphics mode failure.
6xxDiskette drive errors.
601Diskette power-on diagnostics test failed.
602Diskette test failed; boot record is not valid.
606Diskette verifysd function failed.
607Write-protected diskette.
608Bad command diskette status returned.
610Diskette initialization failed.
611Timeout - diskette status returned.
612Bad NEC - diskette status returned.
613Bad DMA - diskette status returned.
621Bad seek - diskette status returned.
622Bad CRC - diskette status returned.
623Record not found - diskette status returned.
624Bad address mark - diskette status returned.
625Bad NEC seek - diskette status returned.
626Diskette data compare error.
7xx8087 or 80287 math coprocessor errors.
9xxParallel printer adapter errors.
901Parallel printer adapter test failed.
10xxReserved for parallel printer adapter.
11xxAsynchronous communications adapter errors.
1101Asynchronous communications adapter test failed.
12xxAlternate asynchronous communications adapter errors.
1201Alternate asynchronous communications adapter test failed.
13xxGame control adapter errors.
1301Game control adapter test failed.
1302Joystick test failed.
14xxPrinter errors.
1401Printer test failed.
1404Matrix printer failed.
15xxSynchronous data link control (SDLC) communications adapter errors.
15108255 port B failure.
15118255 port A failure.
15128255 port C failure.
15138253 timer 1 did not reach terminal count.
15148253 timer 1 stuck on.
15158253 timer 0 did not reach terminal count.
15168253 timer 0 stuck on.
15178253 timer 2 did not reach terminal count.
15188253 timer 2 stuck on.
15198273 port B error.
15208273 port A error.
15218273 command/read timeout.
1522Interrupt level 4 failure.
1523Ring Indicate stuck on.
1524Receive clock stuck on.
1525Transmit clock stuck on.
1526Test indicate stuck on.
1527Ring indicate not on.
1528Receive clock not on.
1529Transmit clock not on.
1530Test indicate not on.
1531Data set ready not on.
1532Carrier detect not on.
1533Clear to send not on.
1534Data set ready stuck on.
1536Clear to send stuck on.
1537Level 3 interrupt failure.
1538Receive interrupt results error.
1539Wrap data miscompare.
1540DMA channel 1 error.
1541DMA channel 1 error.
1542Error in 8273 error checking or status reporting.
1547Stray interrupt level 4.
1548Stray interrupt level 3.
1549Interrupt presentation sequence timeout.
16xxDisplay emulation errors (327x, 5520, 525x).
17xxFixed disk errors.
1701Fixed disk POST error.
1702Fixed disk adapter error.
1703Fixed disk drive error.
1704Fixed disk adapter or drive error.
1780Fixed disk 0 failure.
1781Fixed disk 1 failure.
1782Fixed disk controller failure.
1790Fixed disk 0 error.
1791Fixed disk 1 error.
18xxI/O expansion unit errors.
1801I/O expansion unit POST error.
1810Enable/Disable failure.
1811Extender card warp test failed (disabled).
1812High order address lines failure (disabled).
1813Wait state failure (disabled).
1814Enable/Disable could not be set on.
1815Wait state failure (disabled).
1816Extender card warp test failed (enabled).
1817High order address lines failure (enabled).
1818Disable not functioning.
1819Wait request switch not set correctly.
1820Receiver card wrap test failure.
1821Receiver high order address lines failure.
19xx3270 PC attachment card errors.
20xxBinary synchronous communications (BSC) adapter errors.
20108255 port A failure.
20118255 port B failure.
20128255 port C failure.
20138253 timer 1 did not reach terminal count.
20148253 timer 1 stuck on.
20168253 timer 2 did not reach terminal count, or timer 2 stuck on.
20178251 Data set ready failed to come on.
20188251 Clear to send not sensed.
20198251 Data set ready stuck on.
20208251 Clear to send stuck on.
20218251 hardware reset failed.
20228251 software reset failed.
20238251 software "error reset" failed.
20248251 transmit ready did not come on.
20258251 receive ready did not come on.
20268251 could not force "overrun" error status.
2027Interrupt failure - no timer interrupt.
2028Interrupt failure - transmit, replace card or planar.
2029Interrupt failure - transmit, replace card.
2030Interrupt failure - receive, replace card or planar.
2031Interrupt failure - receive, replace card.
2033Ring indicate stuck on.
2034Receive clock stuck on.
2035Transmit clock stuck on.
2036Test indicate stuck on.
2037Ring indicate stuck on.
2038Receive clock not on.
2039Transmit clock not on.
2040Test indicate not on.
2041Data set ready not on.
2042Carrier detect not on.
2043Clear to send not on.
2044Data set ready stuck on.
2045Carrier detect stuck on.
2046Clear to send stuck on.
2047Unexpected transmit interrupt.
2048Unexpected receive interrupt.
2049Transmit data did not equal receive data.
20508251 detected overrun error.
2051Lost data set ready during data wrap.
2052Receive timeout during data wrap.
21xxAlternate binary synchronous communications adapter errors.
21108255 port A failure.
21118255 port B failure.
21128255 port C failure.
21138253 timer 1 did not reach terminal count.
21148253 timer 1 stuck on.
21158253 timer 2 did not reach terminal count, or timer 2 stuck on.
21168251 Data set ready failed to come on.
21178251 Clear to send not sensed.
21188251 Data set ready stuck on.
21198251 Clear to send stuck on.
21208251 hardware reset failed.
21218251 software reset failed.
21228251 software "error reset" failed.
21238251 transmit ready did not come on.
21248251 receive ready did not come on.
21258251 could not force "overrun" error status.
2126Interrupt failure - no timer interrupt.
2128Interrupt failure - transmit, replace card or planar.
2129Interrupt failure - transmit, replace card.
2130Interrupt failure - receive, replace card or planar.
2131Interrupt failure - receive, replace card.
2133Ring indicate stuck on.
2134Receive clock stuck on.
2135Transmit clock stuck on.
2136Test indicate stuck on.
2137Ring indicate stuck on.
2138Receive clock not on.
2139Transmit clock not on.
2140Test indicate not on.
2141Data set ready not on.
2142Carrier detect not on.
2143Clear to send not on.
2144Data set ready stuck on.
2145Carrier detect stuck on.
2146Clear to send stuck on.
2147Unexpected transmit interrupt.
2148Unexpected receive interrupt.
2149Transmit data did not equal receive data.
21508251 detected overrun error.
2151Lost data set ready during data wrap.
2152Receive timeout during data wrap.
22xxCluster adapter errors.
24xxEnhanced graphics adapter errors.
29xxColor matrix printer errors.
2901
2902
2904
33xxCompact printer errors.