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Chapter 4: BIOS
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules. The
options are Auto,1866, 2000, 2133,2400, and 2666.
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 Auto, SPD (Serial Presence Detect) will automatically 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.
Memory tRWSR Relaxation
Select Enable to always enable memory tRWSR relaxation support. The options are Disable
and Enable.
Enable ADR
Select Enable for ADR (Automatic Diagnostic Repository) support to enhance memory
performance. The options are Enable and Disable.
2X Refresh
Select Enable for memory 2X refresh support to enhance memory performance. The options
are Enable and Auto.
Page Policy
Use this feature to set the page policy for onboard memory support The options are Closed,
Adaptive and Auto.
IMC Interleaving
Use this feature to confi gure interleaving settings for the IMC (Integrated Memory
Controller), which will improve memory performance. The options are 1-way Interleaving,
2-way Interleaving, and Auto.
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