I.1800B [I.1800B] A cache size mismatch has been detected for one or more processor packages.
Explanation: The processors have one or more cache levels with mismatched sizes.
Severity: Info
User response: Complete the following steps:
1. Verify that matching processors are installed in the correct population sequence, according to the product
documentation for the system. See the section entitled, "Installing the microprocessor and heat sink" for more
information.
2. Check the IBM support site for service bulletins or firmware updates that apply to this processor error.
3. Replace the processor. While replacing the processor, inspect the processor socket and replace the system board if
the processor socket is damaged.
I.1800C [I.1800C] A cache type mismatch has been detected for one or more processor packages.
Explanation: The processors have one or more cache levels with mismatched types.
Severity: Info
User response: Complete the following steps:
1. Verify that matching processors are installed in the correct population sequence, according to the product
documentation for the system. See the section entitled, "Installing the microprocessor and heat sink" for more
information.
2. Check the IBM support site for service bulletins or firmware updates that apply to this processor error.
3. Replace the processor. While replacing the processor, inspect the processor socket and replace the system board if
the processor socket is damaged.
4. Replace the system board.
I.1800D [I.1800D] A cache associativity mismatch has been detected for one or more processor packages.
Explanation: The processors have one or more cache levels with mismatched associativities.
Severity: Info
User response: Complete the following steps:
1. Verify that matching processors are installed in the correct population sequence, according to the product
documentation for the system. See the section entitled, "Installing the microprocessor and heat sink" for more
information.
2. Check the IBM support site for service bulletins or firmware updates that apply to this processor error.
3. Replace the processor. While replacing the processor, inspect the processor socket and replace the system board if
the processor socket is damaged.
4. Replace the system board.
I.1800B • I.1800D
300
System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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