Boot from PCI-E/PCI Expansion Devices [Legacy OpROM first]

This item 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

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

This item allows you to select your installed operating system.

Mode]

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.

Install Default Secure Boot keys

This item allows you to immediately load the default Security Boot keys, Platform key (PK), Key-exchange Key (KEK), Signature database (db), and Revoked Signatures (dbx). When the default Secure boot keys are loaded, the PK state will change from Unloaded mode to loaded mode.

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.

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

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.

Configuration options: [Yes] [No]

Load PK from File

This item 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.

Chapter 3

ASUS X99-E WS

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