Boot Menu - Asus ROG STRIX Z490-E Manual

8.

Boot menu

The Boot menu items allow you to change the system boot options.
CSM (Compatibility Support Module)
This item allows you to configure the CSM (Compatibility Support Module) items to fully
support the various VGA, bootable devices and add-on devices for better compatibility.
Launch CSM
[Enabled]
[Disabled]
The following items appear only when Launch CSM is set to [Enabled].
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For better compatibility, enable the CSM to fully support the non-
UEFI driver add-on devices or the Windows
Disable the CSM to fully support the non-UEFI driver add-on devices
or the Windows
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Boot Device Control
This item allows you to select the type of devices that you want to boot.
Configuration 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.
Configuration options: [Ignore] [Legacy only] [UEFI only]
Boot from Storage Devices
This item allows you to select the type of storage devices that you want to
launch.
Configuration options: [Ignore] [Legacy only] [UEFI only]
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.
Configuration options: [Ignore] [Legacy only] [UEFI only]
UEFI mode.
ROG STRIX Z490-E BIOS Manual
UEFI mode.
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