Lenovo Flex System x220 Installation And Service Manual page 597

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 675
– "Installing a microprocessor and heat sink" on page 678
– "Removing the system-board assembly" on page 683
– "Installing the system-board assembly" on page 684
• I.1800C [I.1800C] A cache type mismatch has been detected for one or more processor packages.
Explanation: 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 675
– "Installing a microprocessor and heat sink" on page 678
– "Removing the system-board assembly" on page 683
– "Installing the system-board assembly" on page 684
• I.1800D [I.1800D] A cache associativity mismatch has been detected for one or more processor
packages.
Explanation: 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
– "Removing a microprocessor and heat sink" on page 675
– "Installing a microprocessor and heat sink" on page 678
– "Removing the system-board assembly" on page 683
– "Installing the system-board assembly" on page 684
.
Chapter 6 Troubleshooting
589