Asus X99-M WS, Manual

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3-54 Chapter 3: BIOS setup
Chapter 3
Boot from Storage Devices [Legacy only]
This item allows you to select the type of storage devices that you want to
launch.
Configuration options: [Legacy only] [UEFI driver first] [Ignore]
Boot from PCI-E/PCI Expansion Devices [Legacy only]
This item allows you to select the type of PCIe/PCI expansion devices that
you want to launch.
Configuration options: [Legacy only] [UEFI driver first]
Secure Boot
This item 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]
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.
Key Management
This item allows you to manage the Secure Boot keys.
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.
Save Secure Boot Keys
This item allows you to save the PK (Platform Keys) to a USB storage
device.