North Bridge; Memory Configuration - Supermicro X11SRA User Manual

North Bridge
This feature allows the user to configure the settings for the Intel North Bridge.
Memory Configuration
Integrated Memory Controller (iMC)
Enforce POR
Select POR to enforce POR restrictions for DDR4 memory frequency and voltage pro-
gramming. The options are Auto, POR, and Disable.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules.
The options are Auto, 1000, 1200, 1333, 1400, 1600, 1800,1866. 2000, and 2133.
Custom Refresh Enable
This feature enables a custom memory refresh rate. The options are Disable and Enable.
MC BGF threshold
Enter a value for the HA to MC BGF threshold, which is used for scheduling MC request
in bypass conditions. The default is 0.
DLL Reset Test
Enter a value for the amount of loops to execute RMT during DLL reset tests.The default
is 0.
Memory Topology

This feature displays the information of onboard memory modules detected by the
BIOS.
・P1 DIMMA1
・P1 DIMMB1
・P2 DIMMA1
・P2 DIMMB1
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 perfor-
mance. The options are Enable and Disable.
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Chapter 4: BIOS