1. Installing Internal Optional Devices
Express5800/T120d User’s Guide
65
Chapter 2 Preparations
1.10.3
Memory RAS Feature
The server supports the following RAS features. Some restrictions (e.g., DIMM installation location) are
imposed on using the Memory Mirroring or Memory Lock Step Memory Sparing feature. Refer to
Chapter 2
(1.10.7 Using Memory RAS Feature
) for conditions appropriate to your requirements.
•
Standard memory feature (x4 SDDC ECC memory)
•
Memory Mirroring feature (restrictions imposed on DIMM configuration)
•
Memory Lock Step feature (x8 SDDC ECC memory) (restrictions imposed on DIMM configuration)
•
Memory Sparing feature
Supported RAS features depend on additiional memory board.
See the table below for RAS features supported by additiional memory board.
List of features supported by additiional memory board
N code
Product name
Standard
feature
(x4 SDDC)
Memory
Mirroring
feature
Memory
LockStep
feature
(x8 SDDC)
Memory
Sparing
feature
N8102-478F
2GB additiional memory board (1x2GB/R)
×
×
×
×
N8102-479F
4GB additiional memory board (1x4GB/R)
×
×
×
N8102-480F
8GB additiional memory board (1x8GB/R)
×
×
×
N8102-481F
16GB additiional memory board (1x16GB/R)
×
×
×
N8102-482F
32GB additiional memory board (1x32GB/R)
×
×
×
N8102-483
8GB additiional memory board (2x4GB/R)
×
×
N8102-484
16GB additiional memory board (2x8GB/R)
×
×
N8102-485
32GB additiional memory board (2x16GB/R)
×
×
N8102-486
16GB additiional memory board (2x8GB/R)
×
×
×
N8102-487
32GB additiional memory board (2x16GB/R)
×
×
×
: Supported
×
: Not supported