GIGA-BYTE TECHNOLOGY B550M AORUS PRO, User Manual

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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 .
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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 configurable only when Fast Boot is set to Enabled . This function is disabled when Fast Boot
is set to Ultra Fast .
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NetWork Stack Driver Support
Disabled Disables booting from the network. (Default)
Enabled Enables booting from the network.
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast .
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CSM Support
Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process.
Disabled Disables UEFI CSM and supports UEFI BIOS boot process only.
Enabled Enables UEFI CSM. (Default)
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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 .
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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)
Legacy Only Enables legacy option ROM only.
This item is configurable only when CSM Support is set to Enabled .
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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 configurable only when CSM Support is set to Enabled .
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Administrator Password
Allows you to configure an administrator password. Press <Enter> on this item, type the password, and
then press <Enter>. You will be requested to confirm the password. Type the password again and press
<Enter>. You must enter the administrator password (or user password) at system startup and when entering
BIOS Setup. Differing from the user password, the administrator password allows you to make changes to
all BIOS settings.
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