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Chapter 3: BIOS setup
Chapter 3
CSM (Compatibility Support Module)
This item allows you to congure the CSM (Compatibility Support Module) items to fully
support the various VGA, bootable devices and add-on devices for better compatibility.
Launch CSM [Enabled]
[Auto] The system automatically detects the bootable devices and the add-
on devices.
[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.
The following items appear only when you set the Launch CSM to [Enabled].
Boot Device Control [UEFI and Legacy OPROM]
This item allows you to select the type of devices that you want to boot.
Conguration options: [UEFI and Legacy OPROM] [Legacy OPROM only]
[UEFI only]
Boot from Network Devices [Legacy OPROM first]
This item allows you to select the type of network devices that you want to
launch.
Conguration options: [Legacy OPROM rst] [UEFI driver rst] [Ignore]
Boot from Storage Devices [Legacy OPROM first]
This item allows you to select the type of storage devices that you want to
launch.
Conguration options: [Both, Legacy OPROM rst] [Both, UEFI rst]
[Legacy OPROM rst] [UEFI driver rst] [Ignore]
Boot from PCI-E/PCI Expansion Devices [Legacy OPROM first]
This item allows you to select the type of PCI-E/PCI expansion devices that
you want to launch.
Conguration options: [Legacy OPROM rst] [UEFI driver rst]
Secure Boot
This item allows you to congure 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]
[Windows UEFI
Mode]
This item allows you to select your installed operating system.
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 function when booting on Windows
®
non-
UEFI mode. Microsoft
®
Secure Boot only supports Windows
®
UEFI mode.