Asus P9X79 User Manual - Page 92

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DRAM Read REF Voltage on CHD [Auto] Allows you to set the DRAM Read Reference Voltage on Channel D. The values range from 0.3850x to 0.6150x with a 0.005x interval. Different ratio might enhance DRAM overclocking ability. CPU Freq Spread Spectrum [Auto] [Auto] Sets to Auto mode. [Disabled] Enhances the BCLK overclocking ability. [Enabled] Sets to [Enabled] for EMI control. PCIE Freq Spread Spectrum [Auto] [Auto] Sets to Auto mode. [Disabled] Enhances the PCIE overclocking ability. [Enabled] Sets to [Enabled] for EMI control. 3.5 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. Chapter 3 3-26 Chapter 3: BIOS setup

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3-26
Chapter 3: BIOS setup
Chapter 3
Be cautious when changing the settings of the Advanced menu items. Incorrect field values
can cause the system to malfunction.
3.5
Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system
devices.
DRAM Read REF Voltage on CHD [Auto]
Allows you to set the DRAM Read Reference Voltage on Channel D. The values range from
0.3850x to 0.6150x with a 0.005x interval. Different ratio might enhance DRAM overclocking
ability.
CPU Freq Spread Spectrum [Auto]
[Auto]
Sets to Auto mode.
[Disabled]
Enhances the BCLK overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.
PCIE Freq Spread Spectrum [Auto]
[Auto]
Sets to Auto mode.
[Disabled]
Enhances the PCIE overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.