Troubleshooting
Problem
List of POST numeric error codes with tips on how to use them
Resolving The Problem
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What is a POST error code?
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POST numeric error codes are errors that occur during system bootup. If you have recently added, moved, or removed options within your system:
- Ensure all connections are firm and proper.
- Ensure all options are compatible with your system.
- Ensure all options are configured properly, per your system's Hardware Maintenance Manual (HMM) or User's Guide.
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Troubleshooting steps
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- Boot the system and take note of the POST error code you are receiving.
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Lookup the POST error code in the table below. Troubleshoot or run diagnostics on the components indicated.
Troubleshoot IntelliStation components Download diagnostics
Note: Some parts may need replacement by an IBM Authorized Service Technician. Contact your local IBM Support Center.
The following error messages can occur when you are booting your system. In the following index, "X" can represent any number. The Component(s) column will tell you which component to troubleshoot, or which part might possibly need replacement.
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POST error code
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Component(s) to troubleshoot or replace
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|---|---|
| 000 SCSI Adapter not enabled. |
Verify adapter device and Bus Master fields are enabled in the PCI configuration program. See documentation shipped with computer. |
| 02X (e.g. 020-029) |
SCSI Adapter |
| 08X Check SCSI terminator installation. |
1. SCSI Cable 2. SCSI Terminator 3. SCSI Device 4. SCSI Adapter |
| 101 System board interrupt failure. |
System Board |
| 102 System board timer error. |
System Board |
| 106 |
System Board |
| 110 System board memory parity error. |
1. Memory Module 2. System Board |
| 111 I/O channel parity error. |
1. Reseat adapters 2. Any Adapter 3. System Board |
| 114 Adapter ROM error. |
1. Adapter Memory 2. System Board |
| 129 Internal cache test error. |
1. Processor 2. L2 Cache Memory 3. System Board |
| 151 Real-time clock failure. |
System Board |
| 161 Bad CMOS battery. |
1. Run Setup 2. CMOS Backup Battery 3. System Board |
| 162 Configuration mismatch. |
1. Run Setup and verify Configuration 2. Had a device been added, removed, changed location? If not, suspect that device 3. Power-on external devices first, then power-on computer 4. CMOS Backup Battery 5. System Board |
| 162 And unable to run diagnostics. |
1. Diskette Drive 2. System Board 3. Diskette Drive Cable |
| 163 Clock not updating or invalid time set. |
1. Set the Time and Date in F1 CMOS setup 2. CMOS Backup Battery 3. System Board |
| 164 POST detected a base memory or extended memory size mismatch error. |
1. Run F1 Setup. Check System Summary menu for memory size change. 2. Run the Extended Memory Diagnostic tests. |
| 166 Boot Block Check Sum Error |
1. Run Flash Recovery using Boot Block. Use "Flash recovery boot block jumper" 2. System Board |
| 167 Microprocessor installed that is not supported by the current POST/BIOS. |
1. Run Setup. Check Stepping level for the BIOS level needed, then perform the flash update. 2. Processor |
| 168 Alert on LAN error |
1. Run Setup. Check to see that Ethernet and Alert on LAN are enabled. 2. System Board |
| 17X, 18X |
C2 Security |
| 175 |
1. Run Configuration via the F1 Setup Utility program 2. System Board |
| 176 |
Covers were removed from the computer. |
| 177 Corrupted Administrator Password. |
System Board |
| 178 |
System Board |
| 183 |
Enter the administrator password |
| 184 Password removed due to check-sum error. |
Enter new password |
| 185 Corrupted boot sequence. |
Set configuration and reinstall the boot sequence. |
| 186 |
System Board |
| 187 |
1. Clear Administration password 2. System Board |
| 189 |
More than three password attempts were made to access the computer. |
| 190 Chassis intrusion detector was cleared. This is information only, no action required. If this code does not clear: |
System Board |
| 1XX Not listed above. |
System Board |
| 201,20X Memory data error. |
1. Run Enhanced Diag. Memory Test 2. Memory Module 3. System Board |
| 225 |
Unsupported Memory |
| 229 External cache test error. |
1. L2 Cache Memory 2. System Board |
| 262 POST detected a base memory or extended memory type error. |
1. Run F1 Setup. Check System Summary menu for memory type change. 2. Run the Extended Memory Diagnostic tests. |
| 301 |
1. Keyboard 2. Keyboard Cable 3. System Board |
| 303 With an 8603 error. |
1. Mouse 2. Keyboard 3. Keyboard Cable 4. System Board |
| 303 With no 8603 error. |
1. Keyboard 2. Keyboard Cable 3. System Board |
| 3XX Not listed above. |
1. Keyboard 2. Keyboard Cable 3. System Board |
| 5XX |
1. Video Adapter (if installed) 2. System Board |
| 601 |
1. Diskette Drive A 2. Diskette Drive Cable 3. System Board |
| 602 |
1. Bad Diskette ? 2. Verify Diskette and retry. |
| 604 And able to run diagnostics. |
1. Run Setup and verify diskette configuration settings 2. Diskette Drive A/B 3. Diskette Drive Cable 4. System Board |
| 605 POST cannot unlock the diskette drive. |
1. Diskette Drive 2. Diskette Drive Cable 3. System Board |
| 662 |
Diskette drive configuration error or wrong diskette drive type, run Setup Configuration. |
| 6XX Not listed above. |
1. Diskette Drive 2. System Board 3. External Drive Adapter 4. Diskette Drive Cable 5. Power Supply |
| 762 Math coprocessor configuration error. |
1. Run Setup 2. Processor 3. System Board |
| 7XX Not listed above. |
1. Processor 2. System Board |
| 962 Parallel port configuration error. |
1. Run Configuration 2. Parallel Adapter (if installed) 3. System Board |
| 9XX |
1. Printer 2. System Board |
| 1047 |
16-Bit AT Past SCSI Adapter |
| 107X Check SCSI terminator installation. |
1. Check SCSI terminator installation. 2. SCSI Cable 3. SCSI Terminator 4. SCSI Device 5. SCSI Adapter |
| 1101 Serial connector error, possible system board failure. |
Run Enhanced Diagnostics |
| 1101,1102,1106, 1108,1109 |
1. System Board 2. Any Serial Device |
| 1107 |
1. Communications Cable 2. System Board |
| 1102 Card selected feedback error. |
Run Enhanced Diagnostics |
| 1103 Port fails register check. |
1. Run Enhanced Diagnostics 2. System Board |
| 1106 Serial option cannot be turned off. |
1. Run Enhanced Diagnostics 2. System Board |
| 1107 |
1. Serial Device Cable 2. System Board |
| 1110 Register test failed. |
1. Run Enhanced Diagnostics 2. System Board |
| 1116 Interrupt error. |
Run Enhanced Diagnostics |
| 1117 Failed baud rate test. |
Run Enhanced Diagnostics |
| 1162 Serial port configuration error. |
1. Run Configuration 2. Serial Adapter (if installed) 3. System Board |
| 11XX Not listed above. |
System Board |
| 1201 |
1. System Board 2. Any Serial Device |
| 1202.1206,1208, 1209,12XX |
1. Dual Async Adapter/A 2. System Board 3. Any Serial Device |
| 1207 |
1. Communications Cable 2. Dual Async Adapter/A |
| 13XX |
Game Adapter |
| 1402 Printer not ready. |
Information only |
| 1403 No paper error, or interrupt failure. |
Information only |
| 1404 System board timeout failure. |
Run Enhanced Diagnostics |
| 1405 Parallel adapter error. |
Run Enhanced Diagnostics |
| 1406 Presence test error. |
Run Enhanced Diagnostics |
| 14XX Not listed above. Check printer before replacing system board. |
1. Printer 2. System Board |
| 15XX |
SDL.C Adapter |
| 1692 Boot sequence error. |
Run FDISK to ensure at least one active partition is set active. |
| 16XX |
36/38 Workstation Adapter |
| 1762 Harddisk drive configuration error, |
Run Configuration via the F1 Setup Utility program |
| 1780 (Disk Drive 0) 1781 (Disk Drive 1) 1782 (Disk Drive 2) 1783 (Disk Drive 3) |
1. Power Supply 2. Hard Disk Drive 3. System Board 4. Hard Disk Cable |
| 180X, 188X PCI configuration or resource error. |
1. Run Setup and verily PCI/ISA configuration settings. 2. If necessary, set ISA adapters to "Not available" to allow PCI adapters to properly configure. 3. Remove any suspect ISA adapters. 4. Rerun diagnostics. 5. PCI Adapter |
| 1962 Boot sequence error. |
Possible hard disk drive problem |
| 209X |
1. Diskette Drive 2. Diskette Cable 3. 16-bit AT Fast SCSI Adapter |
| 20XX Not listed above |
BSC Adapter |
| 21XX |
1. SCSI Device 2. 16-bit AT Fast SCSI Adapter 3. Alternate BSC Adapter |
| 2401,2402 If screen colors change. |
Display |
| 2401,2402 If screen colors are OK. |
1. System Board 2. Display |
| 2409 |
Display |
| 2410 |
1. System Board 2. Display |
| 2462 Video memory configuration error. |
1. Check cable connections. 2. Run Setup and verify video configuration settings. 3. Video Memory Modules 4. Video Adapter (if installed) 5. System Board |
| 3015,3040 Check for missing wrap or terminator plug on the adapter. |
1. Network Attached? 2. LF Translator 3. Cable Problem 4. PC Network Adapter |
| 30XX |
1. PC Network Adapter 2. LF Translator 3. Cable Problem? |
| 3115,3140 |
1. Network Attached? 2. LF Translator 3. Alternate PC Network-Adapter 4. Cable Problem |
| 31XX |
1. Alternate PC Network Adapter 2. LF Translator 3. Cable Problem |
| 36XX |
GPIB Adapter |
| 38XX |
DAC Adapter |
| 4611.4630 |
1. Multiport/2 Interface Board 2. Multiport/2 Adapter |
| 4612,4613 4640,4641 |
1. Memory Module Package 2. Multiport/2 Adapter |
| 4650 |
Multiport Interface Cable |
| 46XX No) listed above. |
1. Multiport/2 Adapter 2. Multiport/2 Interface Board 3. Memory Module |
| 5600 |
Financial System Controller Adapter |
| 5962 An IDE device (other than hard drive) configuration error. |
1. Run Configuration 2. CD-ROM Drive 3. CD-ROM Adapter 4. ZIP or other ATAPI device 5. System Board |
| 62XX |
1. 1st Store Loop Adapter 2. Adapter Cable |
| 63XX |
1. 2nd Store Loop Adapter 2. Adapter Cable |
| 64XX |
Network Adapter |
| 71XX |
Voice Adapter |
| 74XX |
Video Adapter (if installed) |
| 76XX |
Page Printer Adapter |
| 78XX |
High Speed Adapter |
| 79XX |
3117 Adapter |
| 80XX |
PCMCIA Adapter |
| 84XX |
1. Speech Adapter 2.Speech ControlAssy. |
| 8601,8602 |
1. Pointing Device (Mouse) 2. System Board |
| 8603,8604 |
1. System Board 2. Pointing Device (Mouse) |
| 86XX Not listed above |
1. Mouse 2. System Board |
| 89XX |
1. PC Music Adapter 2. MIDI Adapter Unit |
| 91XX |
1. Optical Drive 2. Adapter |
| 96XX |
1. SCSI Adapter 2. Any SCSI Device 3. System Board |
| 10101,10102,10104 10105,10106,10107 10108,10109,10111 10112,10113,10114 10115,10116 |
1. Have customer verify correct operating system device drivers are installed and operational. 2. Modem |
| 10103,10110,101171 |
1. System Board 2. Data/Fax Modem |
| 10117 Not listed above. |
1. Check system speaker 2. Check PSTN cable 3. External DAA (if installed) 4. Modem |
| 10118 |
1. Run Diagnostics and verify the correct operation of the modem slot 2. Modem |
| 10119 |
1. Diagnostics detected a non-IBM modem 2. Modem |
| 10120 |
1. Check PSTN Cable 2. External DAA (if installed) 3. Modem |
| 10132,10133.10134 10135,10136,10137 10138,10139,10140 10141,10142,10143 10144.10145,10146 10147,10148,10149 10150,10151,10152 |
Modem |
| 10153 |
1. Data/Fax Modem 2. System Board |
| 101XX Not listed above. |
1. Modem Adapter/A 2. Data/Fax Modem 3. System Board |
| 10450,10451,10490 10491,10492,10499 Read/Write error. |
1. Run Enhanced Diagnostics 2. Hard Disk Drive 3. System Board |
| 10452 Seek test error. |
Run Enhanced Diagnostics |
| 10453 Wrong drive type? |
Information only |
| 10454 Sector buffer test error. |
Run Enhanced Diagnostics |
| 10455,10456 Controller error. |
Run Enhanced Diagnostics |
| 10459 Drive diagnostic command error. |
Information only |
| 10461 Drive format error |
Run Enhanced Diagnostics |
| 10462 Controller seek error. |
Run Enhanced Diagnostics |
| 10464 Hard Drive read error. |
Run Enhanced Diagnostics |
| 10467 Drive non fatal seek error. |
Run Enhanced Diagnostics |
| 10468 Drive fatal seek error. |
Run Enhanced Diagnostics |
| 10469 Drive soft error count exceeded. |
Run Enhanced Diagnostics |
| 10470,10471,10472 Controller wrap error. |
Run Enhanced Diagnostics |
| 10473 Corrupt data. Low level format might be required. |
Information only |
| 10480 |
1. Hard Disk Drive (ESDI) 2. Drive Cable 3. System Board |
| 10481 ESDI drive D seek error. |
Run Enhanced Diagnostics |
| 10482 Drive select acknowledgement bad. |
Run Enhanced Diagnostics |
| 106X1 |
1. Check Configuration 2. Ethernet Adapter |
| 10635 |
1. Power-off computer, wait ten seconds; then power-on the computer. 2. Ethernet Adapter |
| 10651,10660 |
1. Check Cables 2. Ethernet Adapter |
| 106XX Not listed above. |
Ethernet Adapter |
| 107XX |
1. 5.25-inch External Diskette Drive 2. 5.25-inch Diskette Drive Adapter/A |
| 109XX Check the adapter cables. |
1. ActionMedia Adapter/A 2. System Board |
| 112XX This adapter does not have cache. |
1. SCSI Adapter 2. Any SCSI Device 3. System Board |
| 119XX |
3119 Adapter |
| 121XX |
1. Modem Adapter 2. Any Serial Device 3. System Board |
| 136XX |
1. ISDN Primary Rate Adapter 2. System Board |
| 137XX |
System Board |
| 141XX |
Realtime Interface Coprocessor Portmaster Adapter/A |
| 143XX |
1. Japanese Display Adapter 2. System Board |
| 14710,14711 |
1. System Board Video Adapter 2. Adapter Video Memory |
| 148XX |
Video Adapter |
| 14901.14902 1491X, 14922 |
1. Video Adapter (if installed) 2. System Board 3. Display (any type) |
| 14932 |
1. External Display 2. Video Adapter |
| 161XX |
FaxConcentrator Adapter |
| 164XX |
1. 120 MB Internal Tape Drive 2. Diskette Cable 3. System Board |
| 16500 |
6157 Tape Attachment Adapter |
| 16520,16540 |
1. 6157 Streaming Tape Drive 2. 6157 Tape Attachment Adapter |
| 166XX, 167XX |
1. Token Ring Adapter 2. System Board |
| 18001 to 18029 |
1. Wizard Adapter 2. Wizard Adapter Memory |
| 18031 to 18039 |
Wizard Adapter Cable |
| 185XXXX |
1. DBCS Japanese Display Adapter/A 2. System Board |
| 20001 to 20003 |
1. Image Adapter/A Image-1 Adapter/A 2. Memory Module DRAM, VRAM |
| 20004 |
1. Memory Module DRAM, VRAM 2. Image Adapter/A Image-1 Adapter/A |
| 20005 to 20010 |
1. Image Adapter/A Image-1 Adapter/A 2. Memory Module DRAM, VRAM |
| 200XX Not listed above. |
1. Image Adapter/A Image-1 Adapter/A 2. Memory Module DRAM, VRAM 3. System Board |
| 20101 to 20103 |
1. Printer/Scanner Option 2. Image Adapter/A 3. Memory Module DRAM, VRAM |
| 20104 |
1. Memory Module DRAM, VRAM 2. Printer/Scanner Option 3. Image Adapter/A |
| 20105 to 20110 |
1. Printer/Scanner Option 2. Image Adapter/A 3. Memory Module DRAM, VRAM |
| Image Adapter/A Memory Test Mure indicated by graphic of adapter. |
Replace memory module |
| 206XX |
1. SCSI-2 Adapter 2. Any SCSI Device 3. System Board |
| 208XX Verify there are no duplicate SCSI ID settings on the same bus. |
Any SCSI Device |
| 210XXXX Internal bus, size unknown. 210XXX1 External bus, size unknown. |
1. SCSI Hard Disk Drive 2. SCSI Adapter or System Board 3. SCSI Cable 4. SCSI ID Switch (on some models) |
| Tape Drive ambLED remains on. |
1. Tape Drive 2. SCSI Cable (internal) 3. SCSI Adapter or System Board |
| Tape Drive green "in use" LED fails to come on. |
1. Tape Drive 2. SCSI Adapter or System Board 3. SCSI Cable (internal) SCSI Cable (external) |
| Tape automatically ejected tron) drive. |
1. Tape Cassette 2. Drive |
| SCSI ID on rotary switch does not match SCSI ID set in configuration. Verify drive switches inside cover are set to zero. |
1. Rotary Switch Circuit Board 2. Circuit Board Cable 3. Tape Drive |
| Tape sticks/breaks in drive. Verify that the tapes used meet ANSI standard X3B5. |
Tape Cassette |
| 212XX |
1. SCSI Printer 2. Printer Cable |
| 213XX |
SCSI Processor |
| 214XX |
WORM Drive |
| 215XXXC 215XXXD 215XXXE 215XXXU If an external device, and power-on LED is off, check external voltages. |
1. CD-ROM Drivel CD-ROM Drive 11 Enhanced CD-ROM Drive 11 Any CD-ROM Drive 2. SCSI Cable 3. SCSI Adapter or System Board |
| 216XX |
Scanner |
| 217XX If an external device, and power-on LED is off, check external voltages. |
1. Rewritable Optical Drive 2. SCSI Adapter or System Board 3. SCSI Cable |
| 218XX Check for multi CD tray, or juke box. |
Changer |
| 219XX |
SCSI Communications Device |
| 24201YO, 2421 OYO Be sure wrap plug is attached. |
1. ISDN/2 Adapter 2. ISDN/2 Wrap Plug 3. ISDN/2 Communications Cable |
| 273XX |
1 Mbps Micro Channel Infrared LAN Adapter |
| 27501,27503 27506,27507 |
1. ServerGuard Adapter 2. System Board |
| 27502,27504,27510 27511,27533,27534 27536,27537 |
ServerGuard Adapter |
| 27509 |
Remove redundant adapters, run Auto Configuration program, then retest. |
| 27512 |
1. WMSELF.DGS diagnostics tile missing. 2. WMSELF.DGS diagnostics file incorrect. |
| 27535 |
1. 3V Lithium Backup Battery 2. ServerGuard Adapter |
| 27554 |
1. Internal Temperature out of range 2. ServerGuard Adapter |
| 27555,27556 |
1. ServerGuard Adapter 2. Power Supply |
| 27557 |
1. 7.2V NICad Main Battery Pack 2. ServerGuard Adapter |
| 27558,27559 27560,27561 |
1. PCMCIA Type 11 Modem 2. ServerGuard Adapter |
| 27562 |
1. External Power Control not connected 2. External Power Control 3. ServerGuard Adapter |
| 27563,27564 |
1. External Power Control 2. ServerGuard Adapter |
| 275XX |
Update Diagnostic Software |
| 2780110 27879 |
1. Personal Dictation System Adapter 2. System Board |
| 27880 to 27889 |
External FRU (Speaker, Microphone) |
| 1999030X Hard disk reset failure. |
Possible hard disk drive problem. |
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Modified date:
28 January 2019
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