3 Chapter

Boot from PCI-E/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 OpROM first] [UEFI driver first]

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 UE..]

[Windows UEFI

Allows you to select your installed operating system. Execute

Mode]

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.

The following item appears only when you set the OS Type to [Windows UEFI mode].

Key Management

This item appears only when you set OS Type to [Windows UEFI Mode]. It 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

Allows you to save the PK (Platform Keys) to a USB storage device.

PK Management

The Platform Key (PK) locks and secures the firmware from any permissible changes. The system verifies the PK before your system enters the OS.

Delete PK

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.

Configuration options: [Yes] [No]

Load PK from File

Allows you to load the downloaded PK from a USB storage device.

The PK file must be formatted as a UEFI variable structure with time-based authenticated variable.

KEK Management

The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx).

3-50

Chapter 3: BIOS setup