Secure Boot - Asus X99-S User Manual

Launch CSM [Enabled]
[Auto]
[Enabled]
[Disabled]
The following items appear only when you set the Launch CSM to [Enabled].

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]
3-54
The system automatically detects the bootable devices and the add-
on devices.
For better compatibility, enable the CSM to fully support the non-UEFI
driver add-on devices or the Windows
Disables the CSM to fully support the non-UEFI driver add-on devices
or the Windows UEFI mode.
®
Boot Device 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]
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.
UEFI mode.
®
Secure Boot settings and manage its keys to
®
Secure Boot check. Only select
®
UEFI mode or other
®
Secure Boot only supports Windows
®
non-
®
®
Chapter 3: BIOS setup