Secure Boot - Asus Z87-A User Manual

The following items appear only when you set the Launch CSM to [Enabled].
Boot Devices Control [UEFI and Legacy OpROM]
This item allows you to select the type of devices that you want to boot.
Configuration options: [UEFI and Legacy OpROM] [Legacy OpROM only] [UEFI only]
Boot from Network Devices [Legacy OpROM first]
This item allows you to select the type of network devices that you want to launch.
Configuration options: [Legacy OpROM first] [UEFI driver first] [Ignore]
Boot from Storage Devices [Legacy OpROM first]
This item 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 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]
2.8.11

Secure Boot

This item allows you to configure the Windows
protect the system from unauthorized access and malwares during POST.
OS Type [Windows UEFI Mode]
[Windows UEFI
Mode]
[Other OS]
The following item appears only when you set the OS Type to [Windows UEFI mode].
Key Management
This allows you to manage the Secure Boot keys.
2-52
This item allows you to select your installed operating system.
Execute the Microsoft
this option when booting on Windows
Microsoft Secure Boot compliant OS.
®
Get the optimized function when booting on Windows
UEFI mode. Microsoft
UEFI mode.
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.
Secure Boot settings and manage its keys to
®
Secure Boot check. Only select
®
UEFI mode or other
®
Secure Boot only supports Windows
®
non-
®
®
Chapter 2: BIOS information