Asus TUF Z270 MARK 1 Bios Manual page 30

CPU Graphics Switching Frequency
The switching frequency will affect the CPU Graphics transient response speed and
the component thermal production.
Configuration options: [Auto] [Manual]
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.
Configuration options: [Auto] [Standard] [Extreme] [Power Phase Response]
DO NOT remove the thermal module when setting this item to [Power Phase Response]
or
CPU Core/Cache Boot Voltage
Configuration options: [Auto] [0.600] - [1.700]
DMI Boot Voltage
Configuration options: [Auto] [0.3000] - [1.9000]
CPU System Agent Boot Voltage
Configuration options: [Auto] [0.7000] - [1.8000]
CPU VCCIO Boot Voltage
Configuration options: [Auto] [0.9000] - [1.8000]
CPU Standby Boot Voltage
Configuration options: [Auto] [0.700] - [2.200]
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. Configuration options: [Auto] [Enabled] [Disabled]
Turbo Mode
Allows you to enable your processor cores to run faster than the base operating
frequency when it is below power, current and specification limit. Configuration options:
[Disabled] [Enabled]
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Fixed CPU Graphics Switching Frequency(KHz)
This item allows you to set a higher frequency for a quicker transient
response speed. Use the <+> or <-> to adjust the value. The values range
from 250 KHz to 500 KHz with an interval of 50 KHz.
[Extreme]
. The thermal conditions should be monitored. Boot Voltages
ASUS TUF Z270 MARK 1 BIOS Manual