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Chapter 3: BIOS setup
Chapter 3
CPU PLL Voltage [Auto]
Allows you to set the CPU PLL voltage. The values range from 1.25V to 2.50V with a
0.00625V interval.
Skew Driving Voltage [Auto]
Allows you to set the Skew Driving Voltage. The values range from 0.40V to 1.60V with a
0.00625V interval.
2nd VCCIO Voltage [Auto]
Allows you to set the second VCCIO voltage. The values range from 0.40V to 1.70V with a
0.00625V interval.
PCH Voltage [Auto]
Allows you to set the Platform Controller Hub voltage. The values range from 0.8000V to
1.6000V with a 0.00625V interval.
• The values of the CPU Manual Voltage, iGPU Offset Voltage, DRAM Voltage, VCCSA/
IO Voltage, CPU PLL Voltage, and PCH Voltage items are labelled in different colors,
indicating the risk levels of high voltage settings.
• The system may need better cooling system to work stably under high voltage
settings.
VTTDDR Voltage [Auto]
Allows you to set the VTTDDR voltage for DRAM channel. The values range from 0.6250V to
1.1000V with a 0.00625V interval.
DRAM CTRL REF Voltage on CHA/B [Auto]
Allows you to set the DRAM Control Reference Voltage on Channel A/B. The values
range from 0.395x to 0.630x with a 0.005x interval. Different ratio might enhance DRAM
overclocking ability.
BCLK Skew [Auto]
Reduce to increase BCLK and increase to reduce BCLK.
Conguration options: [Auto] [-12]—[+12]
CPU I/O Skew [Auto]
This setting allows you to increase the overclocking capability.
Conguration options: [Auto] [-4]—[+4]
DMI Skew [Auto]
This setting allows you to increase the overclocking capability.
Conguration options: [Auto] [-4]—[+4]