Asus ROG STRIX B760 Series - Boot Menu; CSM and Secure Boot Configuration

ROG STRIX B760 Series BIOS Manual
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9 Boot menu
The Boot menu items allow you to change the system boot options.
9.1 CSM (Compatibility Support Module)
The items in this menu allow you to congure the CSM (Compatibility Support Module)
items to fully support the various VGA, bootable devices and add-on devices for better
compatibility.
Launch CSM
Conguration options: [Disabled] [Enabled]
[Enabled] For better compatibility, enable the CSM to fully support the non-
UEFI driver add-on devices or the Windows
®
UEFI mode.
[Disabled] Disable the CSM to fully support the non-UEFI driver add-on
devices or the Windows
®
UEFI mode.
Due to Microsoft Secure Boot regulations, ensure the Microsoft signed UEFI driver is
contained in the plugged PCI-E based storage including M.2 SSD before setting [Launch
CSM] to [Disabled]. Otherwise, the PCI-E based storages will be only available for the
data drive usage. Contact the PCI-E storage vendor for the UEFI driver availability details.
The following items appear only when you set [Launch CSM] to [Enabled].
Boot Device Control
Allow you to select the devices boot-up mode by the devices specication. Devices
with the selected mode will appear in the boot priority list.
Conguration options: [UEFI and Legacy OPROM] [Legacy OPROM only] [UEFI only]