User`s manual

BIOS Setup - 36 -

IGXConguration

higf

: Move Enter: Select +/-/PU/PD: Value F10: Save ESC: Exit F1: General Help

F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults

Item Help

Menu Level



 UMAFrameBufferSize  [Auto]

 VGACoreClockcontrol  [Auto]

x VGA Core Clock(MHz) 600

IGX Conguration

UMA Frame Buffer Size

Frame buffer size is the total amount of system memory allocated solely for the onboard graphics con-

troller. MS-DOS, for example, will use only this memory for display. Options are: Auto (default), 256MB,

512MB, 1024MB.

VGA Core Clock control

Allows you to determine whether to manually set the VGA Core clock. (Default: Auto)

VGA Core Clock(MHz)

Allows you to manually set the VGA Core clock. The adjustable range is from 300 MHz to 2000 MHz.

This item is congurable only when the VGA Core Clock control option is set to Manual.

CPU Clock Ratio

Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU

being used.

CPU NorthBridge Freq.

Allows you to alter the North Bridge controller frequency for the installed CPU. The adjustable range is

dependent on the CPU being used.

Core Performance Boost

(Note)

Allows you to determine whether to enable the Core Performance Boost (CPB) technology, a CPU

performance-boost technology. (Default: Enabled)

CPB Ratio

(Note)

Allows you alter the ratio for the CPB. The adjustable range is dependent on the CPU being installed.

(Default: Auto)

CPU Host Clock Control

Enables or disables the control of CPU host clock. Auto (default) allows the BIOS to automatically adjust

the CPU host frequency. Manual allows the CPU 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.

(Note) This item is present only when you install a CPU that supports this feature.