Lenovo Flex System x280 X6 Compute Node Installation And Service Manual page 663

2. Verify that matching Processors are installed in the correct Processor sockets according to the service information
for this product. Correct any mismatch found.
3. Check IBM support site for an applicable service bulletin or firmware update that applies to this processor error.
4. (Trained Service technician only) Replace the Processor. Inspect Processor socket and replace the system board
first if socket is damaged
I.1800B [I.1800B]
Explanation: A cache size mismatch has been detected for one or more processor packages. Processors have one or
more cache levels with mismatched size
Severity: Error
User response: Complete the following steps:
1. Verify that matching processors are installed in the correct processor sockets according to the service information
for this product. Correct any mismatch found.
2. Check IBM support site for an applicable service bulletin or firmware update that applies to this Processor error.
3. (Trained Service technician only) Replace the Processor. Inspect Processor socket and replace the system board
first if socket is damaged.
I.1800C [I.1800C]
Explanation: A cache type mismatch has been detected for one or more processor packages. Processors have one or
more cache levels with mismatched type
Severity: Error
User response: Complete the following steps:
1. Verify 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 or firmware update that applies to this Processor error.
3. (Trained Service technician only) Replace the Processor. Inspect Processor socket and replace the system board
first if socket is damaged.
I.1800D [I.1800D]
Explanation: A cache associativity mismatch has been detected for one or more processor packages. Processors have
one or more cache levels with mismatched associativity
Severity: Error
User response: Complete the following steps:
1. Verify 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 or firmware update that applies to this Processor error.
3. (Trained Service technician only) Replace the Processor. Inspect Processor socket and replace the system board
first if socket is damaged.
I.1800E [I.1800E]
Explanation: A processor model mismatch has been detected for one or more processor packages. Processors have
mismatched Model Number
Severity: Error
User response: Complete the following steps:
1. Verify 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 or firmware update that applies to this Processor error.
(Trained Service technician only) Replace the Processor. Inspect Processor socket and replace the system board
3.
first if socket is damaged.
I.1800B • I.1800E
Chapter 6. Troubleshooting
651