Asus SABERTOOTHZ87 User Manual download pdf (Page 112)

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Chapter 3: BIOS setup

Chapter 3

Secure Boot

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]

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.

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.

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 rmware from any permissible changes.

The system veries 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.

Conguration options: [Yes] [No]

Load PK from File

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.

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