Asus P6X58D-E - Manual (Page 76)

3-18 Chapter 3: BIOS setup
Chapter 3
3.5.22 DRAM DATA REF Voltage on CHA/B/C [Auto]
Allows you to set the DRAM DATA Reference Voltage on Channel A/B/C. The values
range from 0.395x to 0.630x with a 0.005x interval. Different ratio might enhance DRAM
overclocking ability.
3.5.23 DRAM CTRL REF Voltage on CHA/B/C [Auto]
Allows you to set the DRAM Control Reference Voltage on Channel A/B/C. The values
range from 0.395x to 0.630x with a 0.005x interval. Different ratio might enhance DRAM
overclocking ability.
3.5.24 Load-Line Calibration [Auto]
[Auto] BIOS automatically adjusts the voltage.
[Disabled] Follows the Intel specifications.
[Enabled] Improves the CPU VDroop directly.
3.5.25 CPU Differential Amplitude [Auto]
Different AMP might enhance BCLK overclocking ability.
Configuration options: [Auto] [700mV] [800mV] [900mV] [1000mV]
3.5.26 CPU Clock Skew [Auto]
Adjusting this item may help enhancing BCLK overclocking ability. You may need to adjust
the IOH Clock Skew item at the same time.
Configuration options: [Auto] [Normal] [Delay 100ps] [Delay 200ps] – [Delay 1400ps]
[Delay 1500ps]
3.5.27 CPU Spread Spectrum [Auto]
Set to [Disabled] to enhance BCLK overclocking ability or [Auto] for EMI control.
Configuration options: [Auto] [Disabled] [Enabled]
3.5.28 IOH Clock Skew [Auto]
Adjusting this item may help enhancing BCLK overclocking ability. You may need to adjust
the CPU Clock Skew item at the same time.
Configuration options: [Auto] [Normal] [Delay 100ps] [Delay 200ps] – [Delay 1400ps]
[Delay 1500ps]
3.5.29 PCIE Spread Spectrum [Auto]
Set to [Disabled] to enhance PCIE overclocking ability or [Auto] for EMI control.
Configuration options: [Auto] [Disabled] [Enabled]