Secure Boot - Asus A55BM-PLUS User Manual

2.8.8 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
[Disabled] Disable the CSM to fully support the Windows
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. 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]
2.8.9

Secure Boot

Allows you to configure the Windows
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]
[Other OS]
ASUS A55BM-PLUS
®
Secure Boot settings and manage its keys to protect
®
Executes the Microsoft
select this option when booting on Windows
mode or other Microsoft
Get the optimized function when booting on
Windows non-UEFI mode, Windows
®
or other Microsoft
OS. Only on Windows
Secure Boot can function properly.
UEFI mode.
Security Update and
®
Secure Boot check. Only
®
Secure Boot compliant OS.
®
®
Secure Boot non-compliant
®
UEFI mode that Microsoft
®
UEFI
®
Vista/XP,
®
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