Boot from Storage Devices [Legacy OPR...]

Allows you to select the type of storage devices that you want to launch. Configuration options: [Both, Legacy OPROM first] [Both, UEFI first] [Legacy OPROM first] [UEFI driver first] [Ignore]

Boot from PCI-E/PCI Expansion Devices [Legacy OPR...]

Allows you to select the type of PCIe/PCI expansion devices that you want to launch.

Configuration options: [Legacy OPROM first] [UEFI driver first]

2.8.9Secure 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...]

Allows you to select your installed operating system.

[Windows UEFI mode]

Executes 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, Windows® Vista/XP, or other Microsoft® Secure Boot

 

non-compliant OS. Only on Windows® UEFI mode that Microsoft®

 

Secure Boot can function properly.

The following item appears when OS Type is set 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.

Install Default Secure Boot keys

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

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 non-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]

ASUS H81M-C

2-37