NEC Express5800 120Rj-2 User Manual page 163

User Guide
■ Memory mirroring within a specific memory branch.
Notes on the Memory Mirroring Configuration
In memory mirroring configuration, the menus related to memory mirroring in the
BIOS SETUP are grayed out and cannot be selected in the following cases:
■ When you install additional DIMMs that disable the memory mirroring
configuration
■ When you remove DIMMs that take down the memory mirroring
In this case, execute [Load Setup Defaults] to cancel the memory mirroring
configuration.
Procedure
1. Note the BIOS SETUP settings.
2. Press F2 during POST to run BIOS SETUP utility.
3. Select [Exit] → [Load Setup Defaults].
4. When a message "Load default configuration now?" appears, select [Yes].
5. Enter the parameter values you saved in step (1).
values for all Setup parameters. You need to specify those
parameters again.
The table below lists examples of DIMM installation patterns enabling the memory
mirroring feature to be used.
Example
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Note: Executing [Load Setup Defaults] restores the default
Memory Set Memory Set
(Group #)
(Group #)
#1 #2 #3
2GB 2GB -
2GB 2GB 1GB
2GB 2GB 2GB
2GB 2GB 1GB
2GB 2GB 1GB
2GB 2GB 2GB
2GB 2GB 4GB
2GB 2GB 2GB
2GB 2GB 1GB
2GB 2GB 4GB
2GB 2GB 2GB
2GB 2GB 4GB
2GB 2GB 4GB
4GB 4GB 4GB
8GB 8GB 8GB
Memory Set
(Group #)
#4 #5 #6 Physical
- - -
1GB - -
2GB - -
1GB 1GB 1GB
1GB 2GB 2GB
2GB 1GB 1GB
4GB 4GB 4GB
2GB 2GB 2GB
1GB 4GB 4GB
4GB 1GB 1GB
2GB 4GB 4GB
4GB 2GB 2GB
4GB 4GB 4GB
4GB 4GB 4GB
8GB 8GB 8GB
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Capacity
Logical
4GB 2GB
6GB 3GB
8GB 4GB
8GB 4GB
10GB 5GB
10GB 5GB
12GB 6GB
12GB 6GB
14GB 7GB
14GB 7GB
16GB 8GB
16GB 8GB
20GB 10GB
24GB 12GB
48GB 24GB