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Chapter 6: BIOS
Data Scrambling for NVDIMM
Select Enable to enable data scrambling for onboard NVDIMM memory to enhance system
performance and security. The options are Auto, Disable, and Enable.
Data Scrambling for DDR4
Select Enable to enable data scrambling for DDR4 memory to enhance system performance
and security. The options are Auto, Disable, and Enable.
tCCD_L Relaxation
If this feature is set to Enable, SPD (Serial Presence Detect) will override tCCD_L ("Column
to Column Delay-Long", or "Command to Command Delay-Long" on the column side.) If
this feature is set to Disable, tCCD_L will be enforced based on the memory frequency.
The options are Disable and Auto.
Enable ADR
Select Enable for ADR (Automatic Diagnostic Repository) support to enhance memory
performance. The options are Disable and Enable.
2X Refresh
This option allows the user to select 2X refresh mode. The options are Auto, Enabled,
and Disabled.
Page Policy
This feature allows the user to determine the desired page mode for IMC. When Auto is
selected, the memory controller will close or open pages based on the current operation.
Closed policy closes that page after reading or writing. Adaptive is similar to open page
policy, but can be dynamically modified. The default is Auto.
IMC Interleaving
This feature allows the user to configure Integrated Memory Controller (IMC) Interleaving
settings.The options are Auto, 1-way Interleave, and 2-way Interleave.
Memory Topology
This item displays the information of onboard memory modules as detected by the
BIOS.
Memory RAS (Reliability_Availability_Serviceability) Configuration
Use this submenu to configure the following Memory RAS settings.
Static Virtual Lockstep Mode
Select Enable to support Static Virtual Lockstep mode to enhance memory performance.
The options are Disable and Enable.
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