3 Chapter
Launch CSM [Enabled]
[Auto] | The system automatically detects the bootable devices and the add- |
| on devices. |
[Enabled] | For better compatibility, enable the CSM to fully support the |
| driver |
[Disabled] | Disables the CSM to fully support the |
| or the Windows® UEFI mode. |
The following items appear only when you set the Launch CSM to [Enabled].
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
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]
Secure Boot
This item 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 UEFI Mode]
[Windows UEFI | This item allows you to select your installed operating system. |
Mode] | 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. |
Chapter 3: BIOS setup |