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PC And PS2 POST Error Codes




 01x Undetermined problem
 02x Power supply
 1xx System board
 101 System board; Interrupt failure
 102 System board; Timer failure
 103 System board; Timer interrupt failure
 104 System board; protected mode failure
 105 System board; last 8042 command not accepted
 106 System board; Converting logic test
 107 System board; Hot non-maskable interrupt test
 108 System board; Timer bus test
 109 System board; Memory select error
 110 PS2 system board; Parity check error
 111 PS2 memory adapter
 112 PS2 MicroChannel arbitration
 113 PS2 MicroChannel arbitration
 114 PS2 External ROM checksum error
 115 Cache parity error, ROM checksum, or DMA error
 116 System board port read/write failure
 118 System board parity or L2-cache error during previous power-on
 119 "E" Step level 82077 (floppy controller) and 2.88M drive installed (not supported)
 120 Microprocessor self test error
 121 256K ROM checksum error (second 128Kb bank)
 121 Unexpected hardware interrupts
 131 PC system board cassette port wrap test failed
 131 DMA compatibility registers error
 132 DMA extended registers error
 133 DMA verify logic error
 134 DMA arbitration logic error
 151 Battery or CMOS RAM failure
 152 Real-time clock or CMOS RAM failure
 160 PS2 system board ID not recognized
 161 System options not set; dead battery
 162 System options not set; CMOS checksum/configuration error
 163 Time and Date not set; clock not updating
 164 Memory Size error; CMOS setting does not match RAM
 165 PS2 system options not set
 166 PS2 MicroChannel adapter time-out error
 167 PS2 system clock not updating
 168 CMOS configuration error (math co-processor)
 169 System board and processor card configuration mismatch
 170 ASCII setup conflict error
 170 PC Convertible;LCD not in use when suspended
 171 Rolling-bit-test failure on CMOS shutdown address byte
 171 PC Convertible; base 128K checksum failure
 172 Rolling-bit-test failure on NVRAM diagnostic byte
 172 PC Convertible;diskette active when suspended
 173 Bad CMOS/NVRAM checksum
 173 PC Convertible;real-time clock RAM verification error
 174 Bad configuration
 174 PC Convertible;LCD configuration change
 175 Bad EEPROM CRC #1
 175 PC Convertible;LCD alternate mode failed
 176 Tamper evident
 177 Bad priviledged-access-password CRC
 177 Bad EEPROM
 178 Bad EEPROM
 179 NVRAM error log full
 180x Sub address data error, x is the slot number of the error
 181 Unsupported configuration
 182 Priviledged-access switch (jmp 2) is not in the write-enable position
 183 PAP is needed to boot from the ssytem programs
 183 PAP is required
 184 Bad power on password checksum - erase it
 184 Bad power on password
 185 Bad startup sequence
 186 Password-protection hardware error
 187 Serial number error
 188 Bad EEPROM checksum CRC #2
 189 Excessive incorrect password attempts
 191 82385 cache controller failure
 194 System board memory error
 199 INSTALLED DEVICES list
 2xx Memory
 201 Memory (address indicated in hex)
 202 Memory address (address lines 00-15)
 203 Memory address (address lines 16-13)
 204 Memory remapped due to error (run diagnostics)
 205 Base 128K memory error; memory remapped
 207 ROM failure
 210 System board memory parity error
 211 PS2 memeory;base 64K on system board failed
 212 Watchdog time-out error; reported by NMI interrupt handler
 213 DMA bus arbitration time-out;reported by NMI interrupt handler
 215 PS2 motherboard memory failure
 216 PS2 motherboard memory failure
 221 PS2 memory;ROM to RAM copy failed (ROM shadowing)
 225 PS2 memory;wrong speed memory on ssytem board (unsupported SIMM)
 230 Overlapping adapter and planar memory (Family 1)
 231 Non-contiguous adapter memory installed (Family 1)
 231 2/4-16 MB Enhanced 386 memory adapter;failure of memory module 1
 235 Stuck data line on memory module, microprocessor, or system board
 241 2/4-16MB Enhanced 386 memeory adapter;failure of memory module 2
 251 2/4-16MB Enhanced 386 memory adapter;failure of memory module 3
 3xx Keyboard
 301 Keyboard not responding or a stuck key. (If stuck, hex scan code for the key will show)
 302 System unit keylock locked
 303 Keyboard or system unit error
 304 Keyboard clock high; keyboard or system unit error
 305 PS2 keyboard fuse (located on system board);keyboard +5V DC error
 306 Unsupported keyboard attached
 341 Keyboard error
 4xx Monochrome display adapter
 4xx PS2 system board parrallel port
 401 PS2 System board parrallel port
 401 Monochrome memory, horizontal sync frequency, or video test
 408 User indicated display attributes
 416 User indicated character set
 424 User indicated 80X25 mode
 432 Parrallel port; monochrome display adapter
 5xx Color Graphics adapter (CGA)
 501 CGA memory test, horizontal sync frequency, or video test
 503 CGA adapter controller failed
 508 User indicated display attribute
 516 User indicated character set
 524 User indicated 80X25 mode
 532 User indicated 40X25 mode failure
 540 User indicated 320X200 graphics mode
 548 User indicated 640X200 graphics mode
 556 User indicated light pen failed
 564 User indicated paging test failure
 6xx Floppy drive/adapter
 601 Floppy drive/adapter
 602 Drive test: disk boot record
 603 Diskette size error
 604 Non-media sense
 605 Diskette drive locked
 606 Disk chainline function; drive error
 607 Disk is write protected; drive error
 608 Bad command; drive error
 610 Disk initialiization; track 0 bad
 611 Time-out; drive error
 612 Bad controller chip
 613 Bad direct memory access; drive error
 614 Bad direct memory access; boundary overrun
 615 Bad index timing; drive error
 616 Drive speed
 621 Bad seek; drive error
 622 Bad cyclic redundancy check (CRC); drive error
 623 Record not found; drive error
 624 Bad address mark; drive error
 625 Bad controller chip; seek error
 626 Disk data compare error
 627 Diskette change error
 628 Diskette removed
 630 Index stuck high;drive A
 631 Index stuck low ; drive A
 632 Track 0 stuck off ;drive A
 633 Track 0 stuck on;drive A
 640 Index stuck high; drive B
 641 Index stuck low ;drive B
 642 Track 0 stuck off ; drive B
 643 Track 0 stuck on; drive B
 645 No index pulse
 646 Drive track 0 detection failed
 647 No transitions on read data line
 648 Format test failed
 649 Incorrect media type
 650 Drive speed error
 651 Format failure
 652 Verify failure
 653 Read failure
 654 Write failure
 655 Controller error
 656 Drive failure
 657 Write protect stuck protected
 658 Changeline stuck changed
 659 Write protect stuck unprotected
 660 Changeline stuck unchanged
 7xx 8087, 80287, 80397 math coprocessor
 701 Math copprocessor presence/initialization error
 702 Exception errors test failure
 703 Rounding test failure
 704 Arithmetic test 1 failure
 705 Arithmetic test 2 failure
 706 Arithmetic test 3 (80387 only) failure
 707 Combination test failure
 708 Integer load/store test failure
 709 Equivalent expressions errors
 710 Exception (interrupt) errors
 711 Save state (FSAVE) errors
 712 Protected mode test failure
 713 Special test (voltage/temperature sensitivity) failure
 9xx Parallel printer adapter
 901 Alternate parrallel printer adapter test error
 902 Printer adapter data register latch error
 903 Printer adapter register address decode error
 904 Printer adapter address decode error
 910 Status line(s) wrap connector error
 911 Status line bit 8 wrap error
 912 Status line bit 7 wrap error
 913 Status line bit 6 wrap error
 914 Status line bit 5 wrap error
 915 Status line bit 4 wrap error
 916 Printer adapter interrupt wrap error
 917 Unexpected printer adapter error
 92X Feature register error
 10xx Alternate parrallel printer adapter error
 1001 Alternate parrallel printer test error
 1002 Printer adapter control register latch error
 1003 Printer adapter register address decode error
 1004 Printer adapter address decode error
 1010 Status line wrap connector error
 1011 Status line bit 8 wrap error
 1012 Status line bit 7 wrap error
 1013 Status line bit 6 wrap error
 1014 Status line bit 5 wrap error
 1015 Status line bit 4 wrap error
 1016 Printer adapter interrupt wrap error
 1017 Unexpected printer adapter interrupt
 102x Feature register error



 11xx Asynchronous communications adapter
 11xx PS2 System board async port
 1101 Asynchronous communications adapter test failure
 1102 PS2 system board async port or serial device
 1102 PC Convertible internal modem test failure
 1103 Port 102h register test failure
 1103 PC Convertible internal modem dial tone test 1 failure
 1104 PC Convertible internal modem dial tone test 2 failure
 1106 PS2 system board async port or serial device
 1107 PS2 system board async port or serial cable (option can not be put to sleep)
 1108 PS2 system board async port or serial device (IRQ 3)
 1109 PS2 system board async port or serial device (IRQ 4)
 1110 16450/16550 register error
 1111 Internal wrap test of 16450/16550 chip modem control line failure
 1112 PS2 system board async port (External wrap test)
 1113 16450/16550 chip transmit error
 1114 16450/16550 chip receive error
 1115 16450/16550 chip receive error (data not equal to transmit data)
 1116 16450/16550 chip interrupt function error
 1117 16450/16550 chip baud rate test failure
 1118 PS2 system board async port (External data wrap test failure)
 1119 PS2 system board async port (FIFO buffer failure)
 1120 Interrupt enable register error (all bits can not be set)
 1121 Interrupt enable register error (all bits can not be reset)
 1122 Interrrupt pending (stuck on)
 1123 Interrupt ID register (stuck on)
 1124 Modem control register error (all bits can not be set)
 1125 Modem control register error (all bits can not be reset)
 1126 Modem status register error (all bits can not be set)
 1127 Modem stats register error (all bits can not be reset)
 1128 Interrupt ID error
 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 sine 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 interrupt 4
 1143 No interrupt 3
 1144 No data transferred
 1145 Maximum baud rate error
 1146 Minimum baud rate error
 1148 Time-out error
 1149 Invalid data returned
 1150 Modem status register error
 1151 No data set ready and delta data set ready
 1152 No data set ready
 1153 No delta data set ready
 1154 Modem status register no clear
 1155 No clear to send and delta clear to send
 1156 No clear to send
 1157 No delta clear to send
 12xx PS2 dual async adapter
 1201 Alternate asynchronous communications adapter
 1202 PS2 system board async port or serial device
 1206 PS2 system board async port or serial device
 1207 PS2 system board async port or serial cable
 1209 PS2 system board async port or serial device
 1212 PS2 system board async port or system board
 1218 PS2 system board async port or system board
 1219 PS2 system board async port or system board
 1227 PS2 system board async port or system board
 1233 PS2 system board async port or system board
 1234 PS2 system board async port or system board
 13xx Game control adapter
 1301 Game control adapter test failure
 1302 Joy-stick test failure
 14xx Matrix printer
 15xx Synchronouse data link control (SDLC) communications adapter
 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 8253 port B
 1520 8253 port A
 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 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 failure
 1539 Wrap data compare error
 1540 Direct memory access channel 1 error
 1541 Direct memory access channel 1 error
 1542 Error in 8273 error checking or staus 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 (hard drive)
 1701 Fixed disk adapter
 1702 Fixed disk adpater
 1703 Fixed disk drive
 1704 Fixed disk drive or adpater
 1780 Fixed disk 0 failure (C drive failure)
 1781 Fixed disk 1 failure (D drive failure)
 1782 Fixed disk controller failure
 1790 Fixed disk 0
 1791 Fixed disk 1
 18xx I/O expansion unit
 1801 I/O expansion unit POST
 1810 Enable/Disable
 1811 Extender card wrap test failure; disabled
 1812 High order address lines failure; enabled
 1813 Wait state failure; disabled
 1814 Enable/Disable could not be set on
 1815 Wait state failure; disabled
 1816 Extender card wrap test failure; 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
 20xx Binary synchronous communications (BSC) adapter
 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
 2015 8253 timer 2 did not reach terminal count or timer 2 stuck on
 2017 8251 Data set read failed to come on
 2018 8251 Clear to send not sensed
 2019 8251 Data set read stuck on
 2020 8251 Clear to send stuck on
 2021 8251 hardware reset failure
 2022 8251 software reset failure
 2023 8251 software "error reset" failure
 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 Interript failure; no timer interrupr
 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 Data set ready 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 time-out during data wrap
 21xx Alternate binary synchronous communcations adapter
 2110 8255 port A
 2111 8255 port B
 2112 8255 port C
 2113 8253 timer 1 did not reach terminal count
 2114 8253 timer 1 stuck on
 2115 8253 timer 2 did not reach terminal count or timer 2 stuck on
 2117 8251 Data set ready failed to come on
 2118 8251 Clear to send not sensed
 2119 8251 Data set ready stuck on
 2120 8251 Clear to send stuck on
 2121 8251 hardware reset failure
 2122 8251 software reset failure
 2123 8251 software "error rest" failure
 2124 8251 transmit ready did not come on
 2125 8251 receive ready did not come on
 2126 8251 could not force "overrun error" status
 2127 Interrupt failure; no timer interrupt
 2128 Interrupt failure; receive, replace card or planar
 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 indicate not on
 2141 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 time-out during data wrap
 22xx Cluster adapter
 24xx Enhanced Graphics Adapter (EGA)
 24xx PS2 system board Video Graphics Array (VGA) - often is due to monitor or monitor cable
 26xx XT/370
 27xx AT/370
 28xx 3278/79 emulation adapter
 29xx Color/graphics printer
 30xx Primary PC network adapter
 3001 Processor test
 3002 ROM Checksum test failure
 3003 Unit ID PROM test failure
 3004 RAM test failure
 3006 +/- 12V test failure
 3007 Digital loopback test failure
 3008 Host detected host interface controller failure
 3009 Sync failure and ni Go bit
 3010 Host interface controller test ok and no Go bit
 3011 Go bit and no command 41
 3012 Card not present
 3013 Digital failure; fall through
 3015 Analog failure
 3041 Hot carrier; not this card
 3042 Hot carrier; this card!
 31xx Secondary PC network adpater
 3101 Processor test failure
 3102 ROM checksum test failure
 3103 Unit ID PROM test failure
 3104 RAM test failure
 3105 Host interface controller test failure
 3106 +/- 12V test failure
 3107 Digital loopback test failure
 3108 Host detected host interface controller failure
 3109 Sync failure and no Go bit
 3110 Host interface controller test OK and no Go bit
 3111 Go bit and no command 41
 3112 Card not present
 3113 Digital failure; fall through
 3114 Analog failure
 3115 Hot carrier; not this card
 3142 Hot carrier; this card
 33xx Compact printer
 36xx General purpose interface bus (GPIB) adapter
 38xx Data acquisition adapter
 39xx Professional graphics controller
 71xx Voice communcations adapter
 73xx 3.5 inch external disk drive
 7306 Dick changeline function failure; drive error
 7307 Disk s write-protected; drive error
 7308 Bad command; drive error
 7310 Disk initialization failure; track 0 bad
 7311 Time-out; drive error
 7312 Bad controller chip
 7313 Bad direct memory access;drive error
 7314 Bad direct memor access; boundary overrun
 7315 Bad index timing; drive error
 7316 Drive speed error
 7322 Bad cyclic redundancy check; drive errors
 7323 Record not found; drive error
 7324 Bad address mark; drive error
 7325 Bad controller chip; seek error
 74xx PS2 display adapter (VGA card)
 85xx Expanded memory adapter (XMA)
 86xx PS2 pointing device
 8601 PS2 pointing device
 8602 PS2 pointing device
 8602 PS2 pointing device or system board
 89xx Music feature


 100xx PS2 multiprotocol adapter
 10002 PS2 multiprotocol adapter or serial device
 10006 PS2 multiprotocol adapter or serial device
 10007 PS2 multiprotocol adapter or cable
 10008 PS2 multiprotocol adapter or serial device
 10009 PS2 multiprotocol adapter or serial device
 10012 PS2 multiprotocol adapter or system board error
 10018 PS2 multiprotocol adapter or system board error
 10019 PS2 multiprotocol adapter or system board error
 10042 PS2 multiprotocol adapter or system board error
 10056 PS2 multiprotocol adapter or system board error
 104xx PS2 ESDI fixed disk
 10480 PS2 ESDI fixed disk 0 failure
 10481 PS2 ESDI fixed disk 1 failure
 10482 PS2 ESDI fixed disk controller failure
 10483 PS2 ESDI fixed disk controller failure
 10490 PS2 ESDI fixed disk 0
 10491 PS2 ESDI fixed disk 1

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