Asus TUF Z270 MARK 2 Bios Manual page 32

CPU Graphics Switching Frequency
The switching frequency will affect the CPU Graphics transient response speed and
the component thermal production.
DO NOT remove the thermal module. The thermal conditions should be monitored.
The following item appears only when you set the CPU Graphics Switching Frequency to
[Manual].
CPU Graphics Power Phase Control
This item allows you to set the power phase control of the CPU Graphics.
DO NOT remove the thermal module when setting this item to [Extreme]. The thermal
conditions should be monitored.
Internal CPU Power Management
The subitems in this menu allow you to set the CPU ratio and features.
Intel(R) SpeedStep(tm)
Allows the operating system to dynamically adjust the processor voltage and cores
frequency to decrease the average power consumption and decrease average heat
production.
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Fixed CPU Graphics Switching Frequency(KHz)
This item allows you to set a higher frequency for a quicker transient
Turbo Mode
Allows you to enable your processor cores to run faster than the base
ASUS TUF Z270 MARK 2 BIOS Manual