Gigabyte GA-Z87P-D3 - Boot Mode Selection

BIOS Setup - 48 -
& 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.