Secure Boot; Key Management - Asus b85m-h plus Manual

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]
2.8.9

Secure Boot

Allows you to configure the Windows
the system from unauthorized access and malwares during POST.
OS Type [Windows UE...]
Allows you to select your installed operating system.
[Windows UEFI mode]
[Other OS]
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
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, all the Secure Boot keys' 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 appears only when you load the default Secure Boot keys. This item allows
you to save all default Secure Boot keys.
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]
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.
ASUS B85M-G PLUS
Secure Boot settings and manage its keys to protect
®
Executes the Microsoft
option when booting on Windows
Secure Boot compliant OS.
Get the optimized function when booting on Windows
mode, Windows Vista/XP, or other Microsoft
®
non‑compliant OS. Only on Windows
Secure Boot can function properly.
Secure Boot check. Only select this
®
UEFI mode or other Microsoft
®
UEFI mode that Microsoft
®
®
non‑UEFI
®
Secure Boot
®
®
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