Gigabyte GA-P55M-UD4 User Manual download pdf (Page 40)

BIOS Setup - 40 -

(Note) This item appears only if you install a memory module that supports this feature.

>>>>> Standard Clock Control

Base Clock(BCLK) Control

Enables or disables the control of CPU base clock. Enabled will allow the BCLK Frequency(Mhz) item

below to be congurable. Note: If your system fails to boot after overclocking, please wait for 20 seconds

to allow for automated system reboot, or clear the CMOS values to reset the board to default values.

(Default: Disabled)

BCLK Frequency(Mhz)

Allows you to manually set the CPU base clock. The adjustable range is from 100 MHz to 1200 MHz.

This item is congurable only if the Base Clock(BCLK) Control option is enabled.

Important: It is highly recommended that the CPU frequency be set in accordance with the CPU speci-

cations.

Extreme Memory Prole (X.M.P.)

(Note)

Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance

when enabled.

Disabled Disables this function. (Default)

Prole1 Uses Prole 1 settings.

Prole2

(Note)

Uses Prole 2 settings.

System Memory Multiplier (SPD)

Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD

data. (Default: Auto)

Memory Frequency(Mhz)

The rst memory frequency value is the normal operating frequency of the memory being used; the

second is the memory frequency that is automatically adjusted according to the BCLK Frequency(Mhz)

and System Memory Multiplier settings.

PCI Express Frequency(Mhz)

Allows you to manually set the PCIe clock frequency. The adjustable range is from 90 MHz to 150 MHz.

Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)

C.I.A.2

CPU Intelligent Accelerator 2 (C.I.A.2) is designed to automatically adjust CPU computing power to

maximize system performance. C.I.A.2 allows your system bus to be changed dynamically based on

CPU loading through the use of 5 preset states.

Note: System stability varies, depending on your system hardware components.

Disabled Disables the use of C.I.A.2. (Default)

Cruise Increases CPU frequency by 5% or 7% depending on CPU loading.

Sports Increases CPU frequency by 7% or 9% depending on CPU loading.

Racing Increases CPU frequency by 9% or 11% depending on CPU loading.

Turbo Increases CPU frequency by 15% or 17% depending on CPU loading.

Full Thrust Increases CPU frequency by 17% or 19% depending on CPU loading.

Warning: Before using C.I.A.2, please rst verify the overclocking capability of your CPU. As stability is

highly dependent on system components, when system instability occurs after overclocking, lower the

overclocking ratio.

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Gigabyte GA-P55M-UD4 User Manual Page 40

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