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Spread spectrum control – Asus Motherboard P5ND2 User Manual

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Chapter 2: BIOS setup

Spread Spectrum Control

This sub-menu allows you to set the CPU, PCI Express, Serial ATA, and

Lightning Data Transport (LDT) clock generator spread spectrum. The

spread spectrum is used to dynamically change the system frequency

to minimize problems with electromagnetic interference (EMI). Set the

Overclock Profile to [Manual], if you want to configure this item.

Select Menu

Item Specific Help

Press [Enter] to set.

F1:Help

↑↓ : Select Item

-/+: Change Value F5: Setup Defaults

ESC: Exit

→←: Select Menu

Enter: Select Sub-menu F10: Save and Exit

Spread Spectrum Control

CPU Spread Spectrum

[

Disabled

]

PCIE Spread Spectrum

[Disabled]

LDT Spread Spectrum

[Disabled]

Phoenix-Award BIOS CMOS Setup Utility

Advanced

CPU Spread Spectrum [Disabled]

Disables or sets the CPU clock generator spread spectrum. The default

setting [Center Spread] allows a dynamic CPU frequency change of

-0.25% to +0.25%. The [Down Spread] setting allows a dynamic CPU

frequency change of -0.5% to 0.0%. Setting to [0.5%++ Spread]

allows dynamic frequency changes from -0.5% to +0.5%.

Configuration options: [Disabled] [Center Spread] [Down Spread]

[0.5%++ Spread]

PCIE Spread Spectrum [Disabled]

Disables or sets the PCI Express clock generator spread spectrum. The

default setting [Down Spread] allows a dynamic PCI Express frequency

change of -0.5% to 0.0%.

Configuration options: [Disabled] [Down Spread]

LDT Spread Spectrum [Disabled]

Disables or sets the Lightning Data Transport (LDT) clock generator

spread spectrum. The default setting [Center Spread] allows a

dynamic LDT frequency change of -0.25% to +0.25%.

Configuration options: [Disabled] [Center Spread] [Down Spread]

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