Gigabyte X570S UD User Manual page 37

& VGA Support
Allows you to select which type of operating system to boot.
Auto
EFI Driver
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.
& USB Support
Disabled
Full Initial
Partial Initial
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast. This function is disabled
when Fast Boot is set to Ultra Fast.
& PS2 Devices Support
Disabled
Enabled
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast. This function is disabled
when Fast Boot is set to Ultra Fast.
& Network Stack Driver Support
Disabled
Enabled
This item is configurable 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.
Disabled
Enabled
& 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 configurable 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
UEFI Only
Legacy Only
This item is configurable 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
UEFI Only
Legacy Only
This item is configurable only when CSM Support is set to Enabled.
Enables legacy option ROM only.
Enables EFI option ROM. (Default)
All USB devices are disabled before the OS boot process completes.
All USB devices are functional in the operating system and during the POST.
(Default)
Part of the USB devices are disabled before the OS boot process completes.
All PS/2 devices are disabled before the OS boot process completes.
All PS/2 devices are functional in the operating system and during the POST.
(Default)
Disables booting from the network. (Default)
Enables booting from the network.
Disables UEFI CSM and supports UEFI BIOS boot process only.
Enables UEFI CSM. (Default)
Disables option ROM.
Enables UEFI option ROM only. (Default)
Enables legacy option ROM only.
Disables option ROM.
Enables UEFI option ROM only. (Default)
Enables legacy option ROM only.
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