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18 secure boot, Launch csm [enabled, Os type [windows uefi mode – Asus Z87-A User Manual

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ASUS Z87-A

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 Devices Control [UEFI and Legacy OpROM]
Allows you to select the type of devices that you want to boot.

Configuration options: [U�FI and Legacy OpRO�] [Legacy OpRO� only] [U�FI only]
Boot from Network Devices [Legacy OpROM first]
Allows you to select the type of network devices that you want to launch.

Configuration options: [Legacy OpRO� first] [U�FI driver first] [Ignore]
Boot from Storage Devices [Legacy OpROM first]
Allows you to select the type of storage devices that you want to launch.

Configuration options: [Both, Legacy OpRO� first] [Both, U�FI first] [Legacy OpRO�

first] [U�FI driver first] [Ignore]
Boot from PCIe/PCI Expansion Devices [Legacy OpROM first]
Allows you to select the type of PCIe/PCI expansion devices that you want to launch.

Configuration options: [Legacy OpRO� first] [U�FI driver first]

2.8.18 Secure Boot

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]

[Windows UEFI

Mode]

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, Windows

®

Vista/ Windows

®

XP, or other Microsoft

®

Secure Boot

non compliant OS. Microsoft

®

Secure Boot only supports Windows

®

UEFI mode.

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