Explanation: Memory SMI Link Failure Memory SMI Link Failure
Severity
Warning
User Response
Complete the following steps:
1. Remove the compute book, and ensure the Processor heatsink is fully screwed down
2. (Trained service technician only) Remove affected Processor and inspect Processor socket pins
for damaged or mis-aligned pins. If damage is found, replace the compute book.
• W.580B1 Memory SMI Lane Redundancy Lost Memory SMI Lane Redundancy Lost
Explanation: Memory SMI Lane Redundancy Lost Memory SMI Lane Redundancy Lost
Severity
Warning
User Response
Complete the following steps:
1. Remove the compute book, and ensure the Processor heatsink is fully screwed down
2. (Trained service technician only) Remove affected Processor and inspect Processor socket pins
for damaged or mis-aligned pins. If damage is found, replace the compute book.
• W.68002 A CMOS battery error has been detected CMOS Battery Fault
Explanation: A CMOS battery error has been detected CMOS Battery Fault
Severity
Error
User Response
Complete the following steps:
1. If the system was recently Installed, Moved, or Serviced, make sure the battery is properly
seated.
2. Check IBM support site for an applicable service bulletin or firmware update that applies to this
error.
3. Replace CMOS Battery
4. Replace the standard I/O book.
• W.680B4 Internal QPI Link Half Width Reduction Detected Internal QPI Link Half Width Reduction
Detected
Explanation: Internal QPI Link Half Width Reduction Detected Internal QPI Link Half Width Reduction
Detected
Severity
Warning
User Response
Complete the following steps:
1. Remove compute books, and check for damaged connectors on the compute book, and check
for bent pins on the midplane. Replace any damaged hardware.
2. Ensure all Processor heatsinks are fully screwed down
3. (Trained service technician only) Remove affected Processor and inspect Processor socket pins
for damaged or mis-aligned pins. If damage is found, replace the compute book.
Appendix D. UEFI/POST error codes 1949
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