User Manual

ROG STRIX Z390-E GAMING BIOS Manual
23
BCLK Frequency : DRAM Frequency Ratio [Auto]
[Auto] The BCLK frequency to DRAM frequency ratio will be set to the optimized
setting.
[100:133] The BCLK frequency to DRAM frequency ratio will be set to 100:133.
[100:100] The BCLK frequency to DRAM frequency ratio will be set to 100:100.
DRAM Odd Ratio Mode
This item allows you to enable or disable availability of odd DRAM ratios for improved
granularity.
Conguration options: [Enabled] [Disabled]
DRAM Frequency
This item allows you to set the memory operating frequency. The congurable options vary
with the BCLK (base clock) frequency setting. Select the auto mode to apply the optimized
setting.
Conguration options: [Auto] [DDR4-800MHz] - [DDR4-8533MHz]
Load CPU 5G OC Profile
This 5G OC Prole allows you to easily overclock the Intel 8th gen Core processors (K-series
only) to 5GHZ.
Overclockability may vary by processors and does not guarantee stability.
CPU SVID Support [Auto]
Disable this item to stop the CPU from communicating with the external voltage regulator.
Conguration options: [Auto] [Disabled] [Enabled]
DRAM Timing Control
The sub-items in this menu allow you to set the DRAM timing control features. Use the
<+> and <-> keys to adjust the value. To restore the default setting, type [Auto] using the
keyboard and press the <Enter> key.
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
Primary Timings
DRAM CAS# Latency
Conguration options: [Auto] [1] – [31]
DRAM RAS# to CAS# Delay
Conguration options: [Auto] [1] – [31]
DRAM RAS# ACT Time
Conguration options: [Auto] [1] – [63]
DRAM Command Rate
Conguration options: [Auto] [1N] [2N] [3N] [N:1]