3 Chapter

CSM (Compatibility Support Module)

This option controls whether or not CSM will be launched.

Launch CSM [Auto]

Configuration option: [Auto] [Enabled] [Disabled]

The following four items appear only when you set Launch CSM to [Enabled].

Boot Device Control [UEFI and Legacy OpROM]

Configuration option: [UEFI and Legacy OpROM] [Legacy OpROM only] [UEFI only]

Boot from Network Devices [Legacy OpROM first]

Configuration option: [Legacy OpROM first] [UEFI driver first] [Ignore]

Boot from Storage Devices [Legacy OpROM first]

Configuration option: [Both, Legacy OpRom first] [Both, UEFI driver first] [Legacy OpROM first] [UEFI driver first] [Ignore]

Boot from PCIe/PCI Expansion Devices [Legacy OpROM first] Configuration option: [Legacy OpROM first] [UEFI driver first]

Secure Boot

This option allows you to configure the Secure Boot related parameters.

Allows you to configure 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]

Allows you to select your installed operating system.

[Windows UEFI mode]Executes 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, Windows® Vista/XP, or other Microsoft® Secure Boot non- compliant OS. Only on Windows® UEFI mode that Microsoft® Secure Boot can function properly.

The following item appears when OS Type is set to [Windows UEFI mode].

Key Management

Clear Secure Boot keys

This item appears only when you load the default Secure Boot keys. This item allows you to clear all default Secure Boot keys.

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Chapter 3: BIOS setup