Gigabyte B450 AORUS M (rev. 1.0) [29/44] Csm support

& SATA Support

AllSataDevices AllSATAdevicesarefunctionalintheoperatingsystemandduringthePOST.

LastBootHDDOnly Exceptforthepreviousbootdrive,allSATAdevicesaredisabledbeforetheOS

bootprocesscompletes.(Default)

 ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.

& VGA Support

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

Auto Enables legacy option ROM only.

EFIDriver   EnablesEFIoptionROM.(Default)

 ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.

& USB Support

Disabled   AllUSBdevicesaredisabledbeforetheOSbootprocesscompletes.

Full Initial All USB devices are functional in the operating system and during the POST.

(Default)

Partial Initial Part of the USB devices are disabled before the OS boot process completes.

 ThisitemiscongurableonlywhenFast Boot is set to Enabled. This function is disabled when Fast Boot

is set to Ultra Fast.

& PS2 Devices Support

Disabled   AllPS/2devicesaredisabledbeforetheOSbootprocesscompletes.

Enabled All PS/2 devices are functional in the operating system and during the POST.

(Default)

 ThisitemiscongurableonlywhenFast Boot is set to Enabled. This function is disabled when Fast Boot

is set to Ultra Fast.

& NetWork Stack Driver Support

Disabled   Disablesbootingfromthenetwork.(Default)

Enabled Enables booting from the network.

 ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.

& CSM Support

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

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

Disabled   DisablesUEFICSMandsupportsUEFIBIOSbootprocessonly.

& 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 Enabled.

& 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.

UEFI Only Enables UEFI option ROM only.

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

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

& Other PCI Device ROM Priority

Allows you to select whether to enable the UEFI or Legacy option ROM for the PCI device controller other

than the LAN, storage device, and graphics controllers.

Disabled   DisablesoptionROM.

UEFIOnly   EnablesUEFIoptionROMonly.(Default)

Legacy Only Enables legacy option ROM only.

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

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Gigabyte B450 AORUS M (rev. 1.0) [29/44] Csm support

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