NEC N8100-1422F User Manual page 313

Installation Pattern in Memory Controller 0
Group #1
Pattern
DIMM #A1, #B1
1 Standard 1GB
2 Standard 1GB
3 Standard 1GB
4 Additional 2GB
5 Additional 2GB
6 Additional 2GB
7 Additional 4GB
8 Additional 4GB
9 Additional 4GB
10 Additional 8GB
11 Additional 8GB
12 Additional 8GB
The memory group farthest from the memory controller is specified as spare memory.
NOTES:
If both Group #1 and Group #2 contain DIMMs, the Group #2 is
specified as spare memory.
If all groups contain DIMMs, the Group #4 is specified as spare
memory.
You may install DIMMs in the memory controller 1 in the similar way as the memory
controller 0.
The capacity of physical/logical memory is calculated for each controller.
Group #2 Group #3
DIMM #A2, #B2 DIMM #A3, #B3
Additional 1GB
Additional 1GB Additional 1GB
Additional 1GB Additional 1GB
Additional 2GB
Additional 2GB Additional 2GB
Additional 2GB Additional 2GB
Additional 4GB
Additional 4GB Additional 4GB
Additional 4GB Additional 4GB
Additional 8GB
Additional 8GB Additional 8GB
Additional 8GB Additional 8GB
Memory Controller 0
Group #1
Group #2
Group #3
Group #4
Each group has must have
the same capacity
Upgrading Your Server 9-33
Group #4
DIMM #A4, #B4
Physical
2GB
3GB
Additional 1GB 4
4GB
6GB
Additional 2GB 8
8GB
12GB
Additional 4GB 16
16
24
Additional 8GB 32
Capacity
Logical
1GB
2GB
3
3GB
5GB
7
6GB
10GB
14
12
20
28