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Chapter 2 Preparations
(1)
Memory mirroring feature
Memory Mirroring feature writes the same data into two groups of DIMMs (mirror set) corresponding with each
other between memory channels (channels 0 and 1 or channel 2 and 3) to provide data redundancy.
Example: 2-CPU configuration
Mirror set
Mirror set
Data 1
Data 1
Data 2
Data 2
Data 3
Data 3
Data 4
Data 4
Mirror set
Mirror set
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•
Note
Memory Mirroring feature uses channels 0 and 1 or channels 2 and 3.
•
To use Memory Mirroring feature, install N8102-691/692 additional memory
card (two DIMMs of same model).
•
DIMMs used in mirror set must be of the same model number.
#5
#1
#6
#2
The operating system can use a half of the total physical memory capacity.
Tips
Express5800/R120g-2E User's Guide
1. Installing Internal Optional Devices
Memory controller
Memory controller
Mirror set
#7
Mirror set
#3
Mirror set
#8
Mirror set
#4
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