Asus PRIME X370-PRO PRIME X370-PRO Users ManualEnglish - Page 74

CSM Compatibility Support Module, Secure Boot, Boot Devices Control [UEFI and Legacy OPROM]

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This item allows you to trap Interrupt 19 by the option ROMs. Configuration options: [Disabled] [Enabled] Setup Mode [EZ Mode] [Advanced Mode] T his item allows you to go to Advanced Mode of the BIOS after POST. [EZ Mode] This item allows you to go to EZ Mode of the BIOS after POST. CSM (Compatibility Support Module) This item 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 addon 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] 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 only] This item allows you to select the type of network devices that you want to launch. Configuration options: [Ignore] [Legacy only] [UEFI driver first] Boot from Storage Devices [Legacy only] This item allows you to select the type of storage devices that you want to launch. Configuration options: [Ignore] [Legacy only] [UEFI driver first] Boot from PCI-E Expansion Devices [Legacy only] This item allows you to select the type of PCI-E expansion devices that you want to launch. Configuration options: [Legacy only] [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] 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. Chapter 3 3-26 Chapter 3: BIOS Setup

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3-26
Chapter 3: BIOS Setup
Chapter 3
This item allows you to trap Interrupt 19 by the option ROMs. Configuration options:
[Disabled] [Enabled]
Setup Mode [EZ Mode]
[Advanced Mode]
This item allows you to go to Advanced Mode of the BIOS after
POST.
[EZ Mode]
This item allows you to go to EZ Mode of the BIOS after POST.
CSM (Compatibility Support Module)
This item 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]
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 only]
This item allows you to select the type of network devices that you want to launch.
Configuration options: [Ignore] [Legacy only] [UEFI driver first]
Boot from Storage Devices [Legacy only]
This item allows you to select the type of storage devices that you want to launch.
Configuration options: [Ignore] [Legacy only] [UEFI driver first]
Boot from PCI-E Expansion Devices [Legacy only]
This item allows you to select the type of PCI-E expansion devices that you want to
launch. Configuration options: [Legacy only] [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]
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.