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5: BIOS Settings
4GB PCIe Hole Granularity
Memory Voltage
Memory Branch Mode
Branch 0/1 Rank Interleaving
Branch 0/1 Rank Sparing
Enhanced x8 Detection
Demand Scrub
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This feature enables you to specify the size of PCIe hole. The options are: 256 MB, 512 MB, 1GB
and 2GB.
These feature enables you to set you memory voltage preference. The default setting is Auto.
This option determines how the two memory branches operate. System address space can either
be interleaved between the two branches or Sequential from one branch to another. Mirror mode
allows data correction by maintaining two copies of data in two branches. Single Channel 0 allows
a single DIMM population during system manufacturing. The options are Interleave, Sequential,
Mirroring, and Single Channel 0.
Select Enabled to enable the feature of memory Interleaving for Branch 0 Rank/ Branch1 Rank.
The options are 1:1, 1:2 and 1:4.
Select Enabled to enable the sparing feature for Branch 0 Rank/Branch 1 Rank. The options are
Enabled and Disabled.
Select Enabled to enable Enhanced x8 DRAM UC Error Detection. The options are Disabled and
Enabled.
Scrubbing is a process that allows the North Bridge to correct correctable memory errors found
on an FBD memory module. When the CPU or I/O issues a Demand Read command, and the read
data from memory turns out to be a correctable ECC, it is corrected and sent to the original source.
Memory is updated as well. Select Enabled to use Demand Scrubbing for ECC memory
correction. The options are Enabled and Disabled.
007-5467-001
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