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2-18 Chapter 2: Hardware information
2.4.3 Memory mirroring and sparing technology
The Intel
®
5400 chipset supports the memory mirroring and sparing technology.
Refer to the below sections:
Memory Mirroring
When enabling memory mirroring function in the BIOS setting (refer to section
4.4.2 Chipset Conguration and congure the option Memory Branch Mode
as Mirror), Branch 1 contains a replicate copy of the data in Branch 0. The
DIMMs must cover the same slot position on both branches. DIMMs that cover
a slot position must be identical with respect to size, speed, and organization.
DIMMs within a slot position must match each other, but are not required to match
adjacent slot positions.
The total memories size will be the half of all installed memories.
The below memory congurations were required to operate in mirrored mode.
Configuration 1 (Mirroring): Four memories population
DIMMs are installed in the following slots: DIMM_00, DIMM_10, DIMM_20, and
DIMM_30.
Branch 1
(Mirror)
Branch 0
DIMM_01
DIMM_00
DIMM_21
DIMM_22
DIMM_31
DIMM_32
DIMM_30
Slot 0
Slot 0
Slot 2
Slot 2
MCH
Slot 1
Ch:3
Slot 0
Slot 1
Ch:2
Slot 0
Slot 1
Ch:1
Slot 2
Slot 1
Ch:0
Slot 2
DIMM_20
DIMM_02
DIMM_11
DIMM_10
DIMM-12
DIMM_23
DIMM_33
Slot 3
Slot 3
DIMM-13
DIMM_03
Slot 3
Slot 3