Asus P7H55 DVI, User Manual, Page: 76 / 110

3-20 Chapter 3: BIOS setup
Chapter 3
3.5.13 DRAM Voltage [Auto]
Allows you to set the DRAM voltage. The values range from 1.2V to 2.20V with a 0.10V
interval.
According to Intel CPU spec, DIMM voltage below 1.65V is recommended to protect the
CPU.
3.5.14 CPU PLL Voltage [Auto]
Allows you to set the CPU PLL voltage. The values range from 1.8V to 2.15V with a 0.05V
interval.
3.5.15 PCH Voltage [Auto]
Allows you to set the Platform Controller Hub voltage. The values range from 1.05V to 1.40V
with a 0.05V interval.
The system may need better cooling system to work stably under high voltage settings.
3.5.16 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.
3.5.17 Load-Line Calibration [Auto]
[Auto] Automatic configuration.
[Disabled] Follow Intel specifications.
[Enabled] Improve CPU VDroop directly.
3.5.18 CPU Spread Spectrum [Auto]
[Auto] Automatic configuration.
[Disabled] Enhances the BCLK overclocking ability.
[Enabled] Sets to [Enabled] for EMI control.
3.5.19 PCIE Spread Spectrum [Auto]
[Auto] Automatic configuration.
[Disabled] Enhances the PCIE overclocking ability.
[Enabled] Sets to [Enabled] for EMI control.