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Data Scrambling for DDR4
Select Enable to enable data scrambling for DDR4 memory to enhance system performance
and security. Select Auto for the default setting of the Memory Reference Code (MRC) to
set configure data scrambling for DDR4 setting. 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 Auto, Enable and Disable.
tRWSR Relaxation
Select Enable to use the same tRWSR (Read to Write turnaround time for Same Rank)
DDR timing setting among all memory channels, and in which case, the worst case value
among all channels will be used. Select Disable to use different values for the tRWSR DDR
timing settings for different channels as trained. The options are Auto, Disable, and Enable.
Enable ADR
Select Enable for ADR (Async DIMM Self-Refresh) support to enhance memory performance.
The options are Disable and Enable.
2X Refresh
Select Enable for memory 2X refresh support to enhance memory performance. The options
are Disable, 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 configure interleaving settings for the IMC (Integrated Memory
Controller), which will improve memory performance. The options are 1-way Interleave,
2-way Interleave, and Auto.
Memory Topology
This item displays the information of onboard memory modules as detected by the BIOS.
•
P1 DIMMA1/DIMMA2/DIMMB1/DIMMC1/DIMMD1/DIMMD2/DIMME1/DIMMF1
•
P2 DIMMA1/DIMMA2/DIMMB1/DIMMC1/DIMMD1/DIMMD2/DIMME1/DIMMF1
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Chapter 4: UEFI BIOS
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