Gigabyte B550 VISION D User Manual page 39

& 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 configurable only when Fast Boot is set to Enabled or Ultra Fast.
& USB Support
All USB devices are disabled before the OS boot process completes.
Disabled
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 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
All PS/2 devices are disabled before the OS boot process completes.
Disabled
All PS/2 devices are functional in the operating system and during the POST.
Enabled
(Default)
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
Disables booting from the network. (Default)
Disabled
Enables booting from the network.
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.
Disables UEFI CSM and supports UEFI BIOS boot process only.
Disabled
Enables UEFI CSM. (Default)
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 Disables option ROM.
UEFI Only Enables UEFI option ROM only. (Default)
Enables legacy option ROM 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 Disables option ROM.
UEFI Only Enables UEFI option ROM only. (Default)
Enables legacy option ROM only.
Legacy Only
This item is configurable only when CSM Support is set to Enabled.
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