1. Installing Internal Optional Devices
Express5800/R120g-2E User's Guide
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Chapter 2 Preparations
Memory LockStep cannot be configured in the following cases:
•
Memory LockStep between memory channels of different memory controllers (CPU)
•
Memory LockStep within the same memory channel
Notes on configuring LockStep
If you additionally install or remove DIMMs that unable to configure Memory LockStep configuration, Memory
RAS Mode is changed to "Independent".
"LockStep" is removed from
Advanced
→
Memory Configuration
→
Memory Information
→
CPUx_DIMMx
Status xxxx MB (LockStep)
in BIOS SETUP.