Lenovo System x3750 M4 Installation And Service Manual page 495

1. If this is a newly installed option, ensure 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 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.18007 [I.18007] A power segment mismatch has been detected for one or more processor
packages. : Processors have mismatched Power Segments
Severity
Info
User Response
Complete the following steps:
1. Ensure that all Processors have matching power requirements (such as 65, 95, or 130 Watts)
2. If power requirements match, 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
– "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.18008 [I.18008] Currently, there is no additional information for this event. : Processors have
mismatched Internal DDR3 Frequency
Severity
Info
User Response
Complete the following steps:
1. Verify that matching DIMMs are installed in the correct population sequence. Correct any
configuration issues found.
2. Replace the associated processor. Inspect the processor socket and replace the system board
first if the socket is damaged
Related links
– "Installing a memory module" on page 45
– "Removing a microprocessor and heat sink" on page 283
Appendix C. UEFI/POST error codes
481