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22 dram data ref voltage on cha/b/c [auto, 23 dram ctrl ref voltage on cha/b/c [auto, 24 load-line calibration [auto – Asus P6X58D-E User Manual

Page 76: 25 cpu differential amplitude [auto, 26 cpu clock skew [auto, 27 cpu spread spectrum [auto, 28 ioh clock skew [auto, 29 pcie spread spectrum [auto, Dram data ref voltage on cha/b/c -18, Dram ctrl ref voltage on cha/b/c -18

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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]