Lenovo System x3750 M4 Installation And Service Manual page 497

Severity
Info
User Response
Complete the following steps:
1. Verify that matching processors are installed in the correct processor sockets. Correct any
mismatch found.
2. Check the IBM support site for an applicable service bulletin or firmware update that applies to
this processor error.
3. Replace the system board.
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.1800C [I.1800C] A cache type mismatch has been detected for one or more processor packages.
: Processors have one or more cache levels with mismatched type
Severity
Info
User Response
Complete the following steps:
1. Verify that matching processors are installed in the correct processor sockets.
2. Check the IBM support site for an applicable service bulletin or firmware update that applies to
this processor error.
3. Replace the system board.
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.1800D [I.1800D] A cache associativity mismatch has been detected for one or more processor
packages. : Processors have one or more cache levels with mismatched associativity
Severity
Info
User Response
Complete the following steps:
1. Verify that matching processors are installed in the correct processor sockets.
2. Check the IBM support site for an applicable service bulletin or firmware update that applies to
this processor error.
3. Replace the system board.
Related links
Appendix C. UEFI/POST error codes
483