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Chapter 3: BIOS setup
Chapter 3
PCH VLX Voltage [Auto]
Allows you to set the I/O voltage on the PCH (Platform Controller Hub). You can use the
<+> or <-> keys to adjust the value. The values range from 1.185V to 2.135V with a 0.005V
interval.
PCH Core Voltage [Auto]
Allows you to set the Core voltage for the PCH (Platform Controller Hub). You can use the
<+> or <-> keys to adjust the value. The values range from 0.735V to 1.500V with a 0.005V
interval.
• The values of the CPU PLL Voltage, CPU Manual Voltage, CPU Offset Voltage,
iGPU Manual Voltage, iGPU Offset Voltage, DRAM Voltage, VCCSA Voltage, VCCIO
Voltage, and PCH Voltage items are labeled in different color, indicating the risk levels
of high voltage settings.
• The system may need better cooling system for a more stable performance under high
voltage settings.
DRAM CTRL REF Voltage [Auto]
This item is the DRAM reference voltage for the control lines from the memory bus. You can
use the <+> or <-> keys to adjust the value. The values range from 0.3950x to 0.6300x with a
0.0050x interval.
DRAM DATA REF Voltage on CHA/CHB [Auto]
This item is the DRAM reference voltage for the data lines on Channels A and B. You can
use the <+> or <-> keys to adjust the value. The values range from 0.395x to 0.630x with a
0.005x interval.
CPU Spread Spectrum [Auto]
[Auto] Automatic conguration.
[Disabled] Enhances the BCLK overclocking ability.
[Enabled] Sets to [Enabled] for EMI control.