16 cpu pll voltage [auto, 17 pch voltage [auto, 18 igpu voltage [auto – Asus P7H55D-M EVO User Manual
Page 75: 19 load-line calibration [auto, 20 cpu spread spectrum [auto, 21 pcie spread spectrum [auto, Cpu pll voltage -19, Pch voltage -19, Igpu voltage -19, Load-line calibration -19

ASUS P7H55D-M EVO
3-19
Chapter 3
3.5.16
CPU PLL Voltage [Auto]
Allows you to set the CPU PLL voltage. The values range from 1.8V to 2.2V with a 0.02V interval.
3.5.17
PCH Voltage [Auto]
Allows you to set the Platform Controller Hub voltage. The values range from 1.05V to 2.0V
with a 0.01V interval.
The system may need better cooling system to work stably under high voltage settings.
3.5.18
iGPU Voltage [Auto]
Allows you to set the integrated GPU voltage. The values range from 0.5V to 1.75V with a
0.0125V interval.
3.5.19
Load-Line Calibration [Auto]
[Auto]
BIOS automatically adjusts the voltage.
[Disabled]
Follows the Intel specifications.
[Enabled]
Improves the CPU VDroop directly.
3.5.20
CPU Spread Spectrum [Auto]
[Auto]
Automatic configuration.
[Disabled]
Enhances the BCLK overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.
3.5.21
PCIE Spread Spectrum [Auto]
[Auto]
Automatic configuration.
[Disabled]
Enhances the PCIE overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.