Gigabyte GA-P67A-UD3 User Manual download pdf (Page 35)

- 35 - BIOS Setup

CPU Frequency

Displays the current operating CPU frequency.

Real-Time Ratio Changes in OS

(Note)

Enabled allows you to make real-time changes to the CPU clock ratio in your operating system. The

Intel Turbo Boost technology and associated items below will become unavailable. Set this item to Dis-

abled ifyouwanttomanuallycongureCPUTurboratiosinBIOSsetup.(Default:Disabled)

Intel(R) Turbo Boost Tech.

(Note)

Allows you to determine whether to enable the Intel CPU Turbo Boost technology. Auto lets the BIOS

 automaticallycongurethissetting.(Default:Auto)

Turbo Ratio (1-Core)/(2-Core)/(3-Core)/(4-Core)

(Note)

Allows you to set the CPU Turbo ratios for different number of active cores. Auto sets the CPU Turbo

 ratiosaccordingtotheCPUspecications.(Default: Auto)

Turbo Power Limit (Watts)

Allows you to set a power limit for CPU Turbo mode. When the CPU power consumption exceeds the

 speciedpowerlimit,theCPUwillautomaticallyreducethecorefrequencyinordertoreducethepower.

AutosetsthepowerlimitaccordingtotheCPUspecications.(Default: Auto)

Core Current Limit (Amps)

 AllowsyoutosetacurrentlimitforCPUTurbomode.WhentheCPUcurrentexceedsthespeciedcur-

rent limit, the CPU will automatically reduce the core frequency in order to reduce the current. Auto sets

 thecurrentlimitaccordingtotheCPUspecications.(Default: Auto)

CPU Cores Enabled

(Note)

Allows you to determine whether to enable all CPU cores.

All Enables all CPU cores. (Default)

1 Enables only one CPU core.

2 Enables only two CPU cores.

3 Enables only three CPU cores.

CPU Multi-Threading

(Note)

Allows you to determine whether to enable multi-threading technology when using an Intel CPU that

supports this function. This feature only works for operating systems that support multi-processor mode.

(Default: Enabled)

CPU Enhanced Halt (C1E)

(Note)

Enables or disables Intel CPU Enhanced Halt (C1E) function, a CPU power-saving function in system

halt state. When enabled, the CPU core frequency and voltage will be reduced during system halt state

to decrease power consumption. Auto letstheBIOSautomaticallycongurethissetting.(Default:Auto)

C3/C6 State Support

(Note)

Allows you to determine whether to let the CPU enter C3/C6 mode in system halt state. When enabled,

the CPU core frequency and voltage will be reduced during system halt state to decrease power con-

sumption. The C3/C6 state is a more enhanced power-saving state than C1. Auto lets the BIOS auto-

maticallycongurethissetting.(Default:Auto)

(Note) This item is present only if you install a CPU that supports this feature. For more information about

Intel CPUs' unique features, please visit Intel's website.

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Gigabyte GA-P67A-UD3 User Manual Page 35

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