W.680B3 [W.680B3] Currently, there is no additional information for this event.
Explanation: External QPI Link Width Reduction Detected
Severity: Error
User response: Complete the following steps:
1. make sure that your QPI wrap cards or QPI scalability cables are installed and in the proper sequence
2. Check the QPI port link LEDs to find the failing port or cable.
3. Reseat the QPI wrap cards or the QPI scalability cables
4. Replace the QPI wrap cards or the QPI scalability cables
W.680B4 [W.680B4] Internal QPI Link Half Width Reduction Detected
Explanation: Internal QPI Link Half Width Reduction Detected
Severity: Error
User response: Complete the following steps:
1. Check IBM support site for an applicable RETAIN tip 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 system board (Trained Service technician only) .
W.680B5 [W.680B5] Internal QPI Link Quarter Width Reduction Detected
Explanation: Internal QPI Link Quarter Width Reduction Detected
Severity: Error
User response: Complete the following steps:
1. Check IBM support site for an applicable RETAIN tip or firmware update that applies to this error.
2. Inspect processor socket for foreign debris or damage. If debris is found remove debris.
3. Trained Service technician only,If error recurs, or socket damage is found, replace the cpu board .
W.680B6 [W.680B6] External QPI Link Half Width Reduction Detected
Explanation: External QPI Link Half Width Reduction Detected
Severity: Error
User response: Complete the following steps:
1. make sure that your QPI wrap cards or QPI scalability cables are installed and in the proper sequence
2. Check the QPI port link LEDs to find the failing port or cable.
3. Reseat the QPI wrap cards or the QPI scalability cables
4. Replace the QPI wrap cards or the QPI scalability cables
W.680B3 • W.680B6
Appendix C. UEFI/POST error codes 1025
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