User manual

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Chapter 3: BIOS Setup
Chapter 3
Boot from PCI-E/PCI Expansion Devices [Legacy only]
This item allows you to select the type of PCI-E/PCI expansion devices that
you want to launch.
Conguration options: [Legacy only] [UEFI driver rst]
Secure Boot
This item allows you to congure 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
Install 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.
PK Management
Set New Key
This item allows you to load the downloaded PK from a USB storage device.
The PK le must be formatted as a UEFI variable structure with time-based authenticated
variable.
Delete Key
This item allows you to delete the PK from your system. Once the PK is deleted, all the
system’s Secure Boot keys will not be active.
Conguration options: [Yes] [No]
KEK Management
Key-exchange Key (KEK) refers to Microsoft
®
Secure Boot Key-Enrollment Key (KEK).
Delete Key
Allows you to delete the KEK from your system.
Conguration options: [Yes] [No]
Set New Key
Allows you to load the downloaded KEK from a USB storage device.