20 dram data ref voltage on cha/b [auto, 21 dram ctrl ref voltage on cha/b [auto, 22 load-line calibration [auto – Asus P7P55D-E User Manual
Page 84: 23 cpu spread spectrum [auto, 24 pcie spread spectrum [auto, Dram data ref voltage on cha/b -22, Dram ctrl ref voltage on cha/b -22, Load-line calibration -22, Cpu spread spectrum -22, Pcie spread spectrum -22
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Chapter 3: BIOS setup
Chapter 3
3.5.20
DRAM DATA REF Voltage on CHA/B [Auto]
Allows you to set the DRAM DATA 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.
3.5.21
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.
3.5.22
Load-Line Calibration [Auto]
[Auto]
Automatic configuration.
[Disabled]
Follow Intel specifications.
[Enabled]
Improve CPU VDroop directly.
3.5.23
CPU Spread Spectrum [Auto]
[Auto]
Automatic configuration.
[Disabled]
Enhances the BCLK overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.
3.5.24
PCIE Spread Spectrum [Auto]
[Auto]
Automatic configuration.
[Disabled]
Enhances the PCIE overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.