Asus Z87-WS - Manual (Page 119)

ASUS Z87-WS 3-45
Chapter 3
CSM (Compatibility Support Module)
Allows you to configure the CSM (Compatibility Support Module) items to fully support the
various VGA, bootable devices and add-on devices for better compatibility.
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 non-UEFI
driver add-on devices or the Windows ® UEFI mode.
[Disabled] Disable the CSM to fully support the non-UEFI driver add-on devices
or the Windows ® UEFI mode.
The following items appear only when you set the Launch CSM to [Enabled].
Boot Devices Control [UEFI and Legacy OpROM]
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]
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]
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 PCIe/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]
Secure Boot
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
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, or other Microsoft ® Secure Boot non compliant OS.
Microsoft ® Secure Boot only supports Windows ® UEFI mode.
The following item appears only when you set the OS Type to [Windows UEFI mode].