Gigabyte GA-Z87X-UD5 TH User Manual download pdf (Page 54)

BIOS Setup

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& Execute Disable Bit

(Note)

Enables or disables Intel

Execute Disable Bit function. This function may enhance protection for the

computer, reducingexposure to viruses and malicious bufferoverow attacks when working with its

supportingsoftwareandsystem.(Default:Enabled)

& Intel Virtualization Technology

(Note)

Enables or disables Intel

VirtualizationTechnology. Virtualization enhanced by Intel

Virtualization

Technology will allow a platform to run multiple operating systems and applications in independent partitions.

Withvirtualization,onecomputersystemcanfunctionasmultiplevirtualsystems.(Default:Enabled)

& Intel TXT(LT) Support

(Note)

Enables or disables Intel

TrustedExecutionTechnology(Intel

TXT).Intel

Trusted Execution Technology

providesahardware-basedsecurityfoundation.(Default:Disabled)

& Dynamic Storage Accelerator

Enables or disables Intel

Dynamic Storage Accelerator. When enabled, the hard drive I/O performance

willbeadjustedaccordingtoharddriveload.(Default:Disabled)

& VT-d

(Note)

Enables or disables Intel

VirtualizationTechnologyforDirectedI/O.(Default:Enabled)

& Windows 8 Features

 Allowsyoutoselecttheoperatingsystemtobeinstalled.(Default:OtherOS)

& CSM Support

 EnablesordisablesUEFICSM(CompatibilitySupportModule)tosupportalegacyPCbootprocess.

Always   EnablesUEFICSM.(Default)

Never Disables UEFI CSM and supports UEFI BIOS boot process only.

 ThisitemiscongurableonlywhenWindows 8 Features is set to Windows 8 or Windows 8 WHQL.

& Boot Mode Selection

Allows you to select which type of operating system to boot.

UEFI and Legacy Allows booting from operating systems that support legacy option ROM or UEFI

optionROM.(Default)

Legacy Only Allows booting from operating systems that only support legacy Option ROM.

UEFI Only Allows booting from operating systems that only support UEFI Option ROM.

 ThisitemiscongurableonlywhenCSM Support is set to Always.

& LAN PXE Boot Option ROM

 AllowsyoutoselectwhethertoenablethelegacyoptionROMfortheLANcontroller.(Default:Disabled)

 ThisitemiscongurableonlywhenCSM Support is set to Always.

& Storage Boot Option Control

Allows you to select whether to enable the UEFI or legacy option ROM for the storage device controller.

Disabled Disables option ROM.

LegacyOnly  EnableslegacyoptionROMonly.(Default)

UEFI Only Enables UEFI option ROM only.

LegacyFirst  EnableslegacyoptionROMrst.

UEFIFirst   EnablesUEFIoptionROMrst.

 ThisitemiscongurableonlywhenCSM Support is set to Always.

(Note) Thisitemispresentonlywhen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-Z87X-UD5 TH User Manual Page 54

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