User manual
2.8.9 CSM (Compatibility Support Module)
Allows you to congure 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 Windows
®
Security Update and
Security Boot.
The following four items appear when you set Launch CSM to [Enabled].
Boot Device Control [UEFI and Legacy OPROM]
Allows you to select the type of devices that you want to boot up. Conguration options:
[UEFI and Legacy OPROM] [Legacy OPROM only] [UEFI only]
Boot from Network Devices [Legacy Only]
Allows you to select the type of network devices that you want to launch. Conguration
options: [Legacy Only] [UEFI driver rst] [Ignore]
Boot from Storage Devices [Legacy Only]
Allows you to select the type of storage devices that you want to launch. Conguration
options: [Legacy nly] [UEFI driver rst] [Ignore]
Boot from PCI-E Expansion Devices [Legacy Only]
Allows you to select the type of PCI‑E expansion devices that you want to launch.
Conguration options: [Legacy Only] [UEFI driver rst]
2.8.10 Secure Boot
Allows you to congure 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]
Allows you to select your installed operating system.
[Windows UEFI mode] This item 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. Microsoft
®
Secure Boot only supports Windows
®
UEFI
mode.
Key Management
This allows you to manage the Secure Boot keys.
ASUS Z170M-PLUS 2‑45