Asus TUF Z270 MARK 2 - Page 60

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ASUS TUF Z270 MARK 2 BIOS Manual
CSM (Compatibility Support Module)
This item allows you to congure the CSM (Compatibility Support Module) items to fully
support the various VGA, bootable devices and add-on devices for a better compatibility.
Launch CSM
[Auto] The system will automatically detect the states of bootable devices
and the add-on devices for CSM support.
[Enabled] For a 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 Windows secure update and
secure boot.
The following items appear only when you set the Launch CSM to [Enabled].
Boot Devices Control
This item allows you to select the type of devices that you want to boot.
Conguration options: [UEFI and Legacy OPROM] [Legacy OPROM only]
[UEFI only]
Boot from Network Devices
This item allows you to select the type of network devices that you want to
launch.
Conguration options: [Ignore] [Legacy only] [UEFI driver rst]
Boot from Storage Devices
This item allows you to select the type of storage devices that you want to
launch.
Conguration options: [Ignore] [Legacy only] [UEFI driver rst]
Boot from PCI-E/PCI Expansion Devices
This item allows you to select the type of PCI-E/PCI expansion devices that
you want to launch.
Conguration options: [Legacy only] [UEFI driver rst]
Secure Boot
This item allows you to congure the Windows secure boot settings and manage its keys to
protect the system from unauthorized access and malwares during POST.
OS Type
[Windows UEFI Mode] This item allows you to execute the Microsoft secure
boot check. Only select this option when booting on
Windows UEFI mode or other Microsoft secure boot
compliant OS.
[Other OS] Get the optimized functions when booting on
Windows non-UEFI mode and Microsoft secure boot
non-compliant OS.
The Microsoft secure boot only supports Windows UEFI mode.