User Manual

Chapter 4: AMI BIOS

4-29

Memory Conﬁ guration

Enforce POR

Select Enable to enforce POR restrictions on DDR4 frequency and voltage

programming. The options are Enabled and Disabled.

Memory Frequency

Use this feature to set the maximum memory frequency for onboard memory

modules. The options are Auto, 1333, 1400, 1600, 1800, 1867, 2000, 2133,

2200, 2400, 2600, and 2667.

Data Scrambling

Select Enabled to enable data scrambling to enhance system performance and

data integrity. The options are Auto, Disabled and Enabled.

DRAM RAPL Baseline

Use this feature to set the run-time power-limit baseline for DRAM modules. The

options are Disable, DRAM RAPL Mode 0, and DRAM RAPL Mode 1.

Set Throttling Mode

Use this feature to activate Closed Loop Thermal Throttling (CLTT), which uses

the DIMM memory temperature as input to make adjustments to the throttling

based on variations in system's fan speed. The options are Disabled, and CLTT.