ID: q78919
The following is a list of power-on-self-test (POST) error codes that may appear at start-up. These errors are generated by the system prior to the loading of the operating system and usually need to be resolved for successful system usage.
Error Description
----- -----------
15XX Synchronous Data Link Control (SDLC) communications
adapter errors.
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 error.
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 time-out.
16XX Display Emulation Error, (327x,5520,525x).
17XX Fixed Disk Drive/Adapter Errors.
1701 Fixed disk POST error.
1702 Fixed disk adapter error.
1703 Fixed disk drive error.
1704 Fixed disk adapter or drive errors.
1705 Fixed disk adapter, no record found.
1706 Fixed disk error, write fault.
Are two heads selected, are voltages correct?
1707 Fixed disk/adapter, TRACK 0 error.
Is the drive formatted?
1708 Fixed disk/adapter error, bad select error.
Is the drive formatted?
1709 Fixed disk adapter error, bad BCC.
Check controller.
1710 Fixed disk/adapter error, read buffer override.
Check controller and/or drive interleave.
1711 Fixed disk drive error, Bad address mark.
Check controller and Drive low level format.
1712 Fixed disk/adapter error, bad address mark.
Check controller.
1714 Drive select error. Check jumpers and the drive
cables.
1726 Data compare error, check format.
Check for added hard or surface errors.
1770 Surface errors, check for added hard errors.
1780 Fixed disk 0 failure.* Check data cable and power
cable. Set-up error/drive 0 failure, check cables
setup terminating resistor packs, etc., is the
drive actually spinning?
1781 Fixed disk 1 failure. Drive 1 failure ( the
second physical hard drive in system and CMOS
setup.)*
1782 Fixed disk controller failure.
1790 Fixed disk 0 error.*
1791 Fixed disk 1 error.*
*178X errors generally indicate that the drive has
not been low-level formatted or that the drive has
dropped or no longer recognizes the disk
controller information about the drive.
*179X errors usually indicate that the drive
lacks a partition structure or an MS-DOS format.
104XX PS/2 ESDI Fixed Disk Errors.
10480 PS/2 ESDI Fixed Disk 0 error.
10481 PS/2 ESDI Fixed Disk 1 error.
10482 PS/2 ESDI Fixed Disk controller failure.
10483 PS/2 ESDI Fixed Disk controller failure.
10490 PS/2 ESDI Fixed Disk 0 error.
10491 PS/2 ESDI Fixed Disk 1 error.
* The PS/2 model drives require at least one disk
from the system manufacturer, this being the reference
disk that came with the system. However, the drive
itself may have come with an installation disk that
will be needed to successfully install the drive and/or
the operating system.
18XX I/O Expansion Unit Errors.
1801 I/O expansion unit POST error.
1810 Enable/Disable failure.
1811 Extended 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 (disabled).
1816 Extended 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.
The listing of error codes contained in this article are
specific error codes for IBM hardware. These codes may or
may not correspond correctly to non-IBM computers.
"Upgrading and Repairing PCs" by Scott Mueller
KBCategory: kbref kbhw KBSubcategory:
Last Reviewed: September 16, 1996