Asus P5N-E SLI - Manual (Page 82)

2-30 Chapter 2: BIOS setup
SATA Spread Spectrum [Disabled]
Enables or disables SATA Spread Spectrum.
Configuration options: [Disabled] [Auto]
LDT Spread Spectrum [Disabled]
Enables or disables LDT Spread Spectrum.
Configuration options: [Disabled] [Center] [Down]
SLI Broadcast Aperture [Disabled]
Enables or disables the SLI Broadcast Aperture.
Configuration options: [Auto] [Disabled]
LDT Frequency [5x]
Sets the Lightning Data Transport (LDT) frequency multiplier.
Configuration options: [1x] [2x] [3x] [4x] [5x] [6x] [7x] [8x]
PCIE Spread Spectrum [Down Spread]
Enables or disables PCIE Spread Spectrum.
Configuration options: [Disabled] [Down Spread]
CPU Spread Spectrum [Disabled]
Enables or disables CPU Spread Spectrum.
Configuration options: [Disabled] [Auto]