Chapter 4: UEFI BIOS
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CPU T State Control
Software Controlled T-States
Use this feature to enable Software Controlled T-States. The options are Disable and
Enable
.
Chipset Configuration
Warning:
Setting the wrong values in the sections below may cause the system to malfunction.
North Bridge Configuration
Memory Configuration
Enforce POR
Select POR (Plan of Record) to enforce POR restrictions on DDR4 frequency and volt-
age programming. The options are
POR
and Disable.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules.
The options are
Auto
,
2133, 2400, and 2666.
Data Scrambling for DDR4
Use this feature to enable or disable data scrambling for DDR4 memory. The options
are
Auto
, Disable, and Enable.
tCCD_L Relaxation
Select Auto to get TCDD settings from SPD (Serial Presence Detect) into memory RC
code to improve system reliability. Select Disable for TCCD to follow Intel POR. The op-
tions are Disable and
Auto
.
2X REFRESH
Use this feature to select the memory controller refresh rate to 2x refresh mode. The
options are
Auto
and Enable.
Memory Topology
This feature displays the information of onboard memory modules detected by the
BIOS.
