Asus P7H55-M PRO - Manual (Page 73)

ASUS P7H55-M PRO 3-19
Chapter
3
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.