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Intel® Server Boards S5000PSL and S5000XSL TPS Design and Environmental Specifications
3.1.3.4.1 Mirrored Mode Memory Configuration
When operating in mirrored mode, both branches operate in lock step. In mirrored mode, branch
1 contains a replicate copy of the data in branch 0. The minimum DIMM configuration to support
memory mirroring is four DIMMs, populated as shown in
Figure 14, above. All four DIMMs must
be identical with respect to size, speed, and organization.
To upgrade a four DIMM mirrored memory configuration, four additional DIMMs must be added
to the system. All four DIMMs in the second set must be identical to the first with the exception
of speed. The MCH will adjust to the lowest speed DIMM.
3.1.3.4.2 Sparing Mode Memory Configuration
The MCH provides memory sparing capabilities. Sparing is a RAS feature that involves
configuring a DIMM to be placed in reserve so it can be use to replace a DIMM that fails. DIMM
sparing occurs within a given bank of memory and is not supported across branches. There are
two supported Memory Sparing configurations.
Single Branch Mode Sparing
Dual Branch Mode Sparing
Revision 1.2
Intel order number: D41763-003
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