1. Check system log for related DIMM failures and replace those DIMMs.
• S.68005 An error has been detected by the the IIO core logic on Bus [arg1]. The Global Fatal Error
Status register contains [arg2]. The Global Non-Fatal Error Status register contains [arg3]. Please
check error logs for the presence of additional downstream device error data. Critical IOH-PCI
Error
Explanation: An error has been detected by the the IIO core logic on Bus [arg1]. The Global Fatal Error
Status register contains [arg2]. The Global Non-Fatal Error Status register contains [arg3]. Please check
error logs for the presence of additional downstream device error data. Critical IOH-PCI Error
Severity
Error
User Response
Complete the following steps:
1. Check IBM support site for an applicable service bulletin or firmware update for the system or
adapter that applies to this error.
2. Check log for a separate error for an associated PCIe device and service that error.
3. Replace the I/O book reported in the error.
4. Replace the compute book reported in the error.
• S.680B8 Internal QPI Link Failure Detected. Internal QPI Link Failure Detected
Explanation: Internal QPI Link Failure Detected. Internal QPI Link Failure Detected
Severity
Error
User Response
Complete the following steps:
1. Check IBM support site for an applicable service bulletin or firmware update that applies to this
error.
2. Inspect processor socket for foreign debris or damage. If debris is found remove debris.
3. If error recurs, or socket damage is found, replace the compute book.
4. (Trained Service Technician Only) Replace the processor.
• S.680B9 External QPI Link Failure Detected. External QPI Link Failure Detected
Explanation: External QPI Link Failure Detected. External QPI Link Failure Detected
Severity
Error
User Response
Complete the following steps:
1. Check IBM support site for an applicable service bulletin or firmware update that applies to this
error.
2. Inspect processor socket for foreign debris or damage. If debris is found remove debris.
3. If error recurs, or socket damage is found, replace the compute book.
• W.3048006 UEFI has booted from the backup flash bank due to an Automatic Boot Recovery (ABR)
event. Automated Boot Recovery, Booting Backup UEFI Image
Explanation: UEFI has booted from the backup flash bank due to an Automatic Boot Recovery (ABR)
event. Automated Boot Recovery, Booting Backup UEFI Image
Severity
Warning
Appendix D. UEFI/POST error codes
1941