1. Installing Internal Optional Devices
Express5800/R120d-2E User’s Guide
66
Chapter 2 Preparations
1.10.3
Memory RAS Feature
The server has RAS feature including "Standard memory feature (x4 SDDC ECC memory), "Memory
mirroring feature", and "Memory LockStep feature (x8 SDDC ECC memory), and Memory Sparing feature.
To use the memory mirroring or LockStep feature, refer to
Chapter 2 (1.10.7 Using Memory RAS Features)
.
•
Standard memory feature (x4 SDDC ECC memory)
•
Memory Mirroring feature (restrictions imposed on DIMM configuration)
•
Memory LockStep feature (x8 SDDC ECC memory) (restrictions imposed on DIMM configuration)
•
Rank Sparing feature (restrictions imposed on DIMM configuration)
