Lenovo System x3750 M4 Installation And Service Manual page 496

– "Replacing a microprocessor and heat sink" on page 287
– "Removing the system board" on page 299
– "Replacing the system board" on page 301
• I.18009 [I.18009] A core speed mismatch has been detected for one or more processor packages.
: Processors have mismatched Core Speed
Severity
Info
User Response
Complete the following steps:
1. Verify that matching processors are installed in the correct processor sockets. Correct any
mismatch issues found.
2. Check the IBM support site for an applicable service bulletin or firmware update that applies to
this processor error.
3. Replace the processor. Inspect the processor socket and replace the system board first if the
socket is damaged.
Related links
– "Replacing a microprocessor and heat sink" on page 287
– "Removing the system board" on page 299
– "Replacing the system board" on page 301
• I.1800A [I.1800A] A mismatch has been detected between the speed at which a QPI link has trained
between two or more processor packages. : Processors have mismatched Bus Speed
Severity
Info
User Response
Complete the following steps:
1. Verify that the processor is a valid option that is listed as a Server Proven device for this system.
If not, remove the Processor and install one listed on the Server Proven website.
2. Verify that matching processors are installed in the correct processor sockets. Correct any
mismatch found.
3. Check the IBM support site for an applicable service bulletin or firmware update that applies to
this processor error.
4. Replace the processor. Inspect the processor socket and replace the system board first if the
socket is damaged
Related links
– "Removing a microprocessor and heat sink" on page 283
– "Replacing a microprocessor and heat sink" on page 287
– "Removing the system board" on page 299
– "Replacing the system board" on page 301
• I.1800B [I.1800B] A cache size mismatch has been detected for one or more processor packages. :
Processors have one or more cache levels with mismatched size
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Lenovo System x3750 M4 Installation and Service Guide