User Manual
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ASUS Z270-WS BIOS Manual
EPU Power Saving Mode
The ASUS EPU (Energy Processing Unit) sets the CPU in its minimum power consumption
settings. Enabling this item will apply lower CPU Core/Cache Voltage and help save energy
consumption. Set this item to disabled if you are over clocking the system.
Conguration options: [Disabled] [Enabled]
CPU SVID Support
Disable this item to stop the CPU from communicating with the external voltage regulator.
Conguration options: [Auto] [Disabled] [Enabled]
DRAM Timing Control
The subitems in this menu allow you to set the DRAM timing control features. Use the <+>
or <-> 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
Conguration options: [Auto] [1] – [31]
DRAM RAS# to CAS# Delay
Conguration options: [Auto] [1] – [31]
DRAM RAS# ACT Time
Conguration options: [Auto] [1] – [63]
DRAM COMMAND Rate
Conguration options: [Auto] [1N] [2N] [3N] [N:1]
Secondary Timings
DRAM RAS# to RAS# Delay L
Conguration options: [Auto] [1] – [15]
DRAM RAS# to RAS# Delay S
Conguration options: [Auto] [1] – [15]
DRAM REF Cycle Time
Conguration options: [Auto] [1] – [1023]