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Memory RAS Configuration
Mirror Mode [Disabled]
Allows you to select Mirror Modes. Mirror Mode will set entire 1LM/2LM memory in
system to be mirrored, consequently reducing the memory capacity by half. Enabling
Mirror Mode will disable XPT Prefetch.
Configuration options: [Disabled] [Mirror Mode 1LM] [Mirror Mode 2LM]
Mirror TADO [Disabled]
Allows you to enable Mirror on entire memory for TADO.
Configuration options: [Enabled] [Disabled]
Enable Partial Mirror [Disabled]
Partial mirror mode will enable the required size of memory to be mirrored. If rank
sparing is enabled partial mirroring will not take effect. Mirror Enable will disable XPT
Prefetch.
Configuration options: [Disabled] [Partial Mirror mode 1LM] [Partial Mirror mode 2LM]
The following items appear only when the Enable Partial Mirror is set to [Partial Mirror
mode 1LM] or [Partial Mirror mode 2LM].
UEFI ARM Mirror [Disabled]
Allows you to enable or disable UEFI ARM Mirror.
Configuration options: [Disabled] [Enabled]
The following item appears only when the UEFU ARM Mirror is set to [Enabled].
Memory Rank Sparing [Disabled]
Allows you to enable or disable Memory Rank Sparing
Configuration options: [Disabled] [Enabled]
The following items appear only when the Memory Rank Sparing is set to [Enabled].
Patrol Scrub [Enabled]
Allows you to enable or disable Patrol Scrub.
Configuration options: [Disabled] [Enabled]
5-30
Partial Mirror1-4 Size in GB [0]
Select a multiplier of 1 GB for the size of the SAD to be created.
Configuration options: [0] ~ [422]
ARM Mirror percentage [0]
This item allows you to select the percentage to be mirrored in basis points.
For example the value 1275 entered is equivalent to 12.75%.
Configuration options: [0] ~ [9999]
Multi Rank Sparing [Two Rank]
This item allows you to set the Multi Rank Sparing number.
Configuration options: [One Rank] [Two Rank]
Legacy bucket low bit [28]
Configuration options: [1] ~ [63]
Legacy bucket high bit [29]
Configuration options: [1] ~ [63]
Chapter 5: BIOS Setup
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