Asus P5Q-E/WiFi-AP - Manual (Page 92)

3-22 Chapter 3: BIOS setup
3.4.24 PCIE Spread Spectrum [Auto]
Set to [Disabled] to enhance PCIE overclocking ability or [Auto] for EMI control.
Configuration options: [Auto] [Disabled]
3.4.25 CPU Clock Skew [Auto]
Configuration options: [Auto] [Normal] [Delay 100ps] [Delay 200ps] [Delay 300ps]
[Delay 400ps] – [Delay 1400ps] [Delay 1500ps]
3.4.26 NB Clock Skew [Auto]
Configuration options: [Auto] [Normal] [Delay 100ps] [Delay 200ps] [Delay 300ps]
[Delay 400ps] – [Delay 1400ps] [Delay 1500ps]
3.4.27 CPU Margin Enhancement [Optimized]
Configuration options: [Optimized] [Compatible] [Performance Mode]