Asus Z87-A Computer Hardware 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.

Boot from Network Devices [Legacy OpROM first]
Allows you to select the type of network devices that you want to launch.

Boot from Storage Devices [Legacy OpROM first]
Allows you to select the type of storage devices that you want to launch.


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.

2.8.18 Secure Boot

®
Secure Boot settings and manage its keys to protect

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] 
®
non-UEFI
mode, Windows
®
Vista/ Windows
®
XP, or other Microsoft
®
Secure Boot
non compliant OS. Microsoft
®
Secure Boot only supports Windows
®
UEFI mode.