User Response
Complete the following steps:
1. If this is a newly installed option, ensure that matching Processors are installed in the correct
Processor sockets according to the service information for this product.
2. Check IBM support site for an applicable service bulletin that applies to this Processor error.
3. (Trained Service technician only) Replace Processor. Inspect Processor socket and replace the
compute book first if socket is damaged.
• I.18006 A mismatch between the maximum allowed QPI link speed has been detected for one or
more processor packages. Processors have mismatched QPI Speed
Explanation: A mismatch between the maximum allowed QPI link speed has been detected for one or
more processor packages. Processors have mismatched QPI Speed
Severity
Error
User Response
Complete the following steps:
1. If this is a newly installed option, ensure that matching Processor CPUs are installed in the
correct Processor CPU sockets according to the service information for this product
2. Check IBM support site for an applicable retain tipservice bulletin or firmware update that
applies to this Processor error.
3. (Trained Service technician only) Replace Processor. Inspect Processor socket and replace the
compute book first if socket is damaged.
• I.18007 A power segment mismatch has been detected for one or more processor packages.
Processors have mismatched Power Segments
Explanation: A power segment mismatch has been detected for one or more processor packages.
Processors have mismatched Power Segments
Severity
Error
User Response
Complete the following steps:
1. If this is a newly installed option, ensure that matching Processors are installed in the correct
Processor sockets according to the service information for this product.
2. If power requirements match, check IBM support site for an applicable service bulletin or
firmware update that applies to this Processor error.
3. (Trained Service technician only) Replace Processor. Inspect Processor socket and replace the
compute book first if socket is damaged
• I.18008 Currently, there is no additional information for this event. Processors have mismatched
Internal DDR3 Frequency
Explanation: Currently, there is no additional information for this event. Processors have mismatched
Internal DDR3 Frequency
Severity
Error
User Response
Complete the following steps:
1. Verify that supported and matching DIMMs are installed in the channel in the correct population
sequence, according to the service information for this product. {Add link to Memory chart.}
Correct any configuration issues found.
Appendix D. UEFI/POST error codes 1927
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