Asus Crosshair V Formula-Z User Manual page 116

Option ROM Messages [Force BIOS]
[Force BIOS]
[Keep Current]
INT19 Trap Response [Immediate]
[Immediate]
[Postponed]
Next Boot after AC Power Loss [Normal Boot]
[Normal Boot]
[Fast Boot]
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 [Auto]
[Auto]
[Enabled]
[Disabled]
The following four items appear when you set Launch CSM to [Enabled].
3-36
The third-party ROM messages will be forced to display during the boot
sequence.
The third-party ROM messages will be displayed only if the third-party
manufacturer had set the add-on device to do so.
Executes the trap right away.
Executes the trap during legacy boot.
Returns to normal boot on the next boot after AC power loss.
Accelerates the boot speed on the next boot after AC power loss.
The system automatically detects the bootable devices and the add-
on devices.
For better compatibility, enable the CSM to fully support the non-UEFI
driver add-on devices or the Windows
Disable the CSM to fully support the Windows
Security Boot.
Boot Devices 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]
UEFI mode.
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Security Update and
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Chapter 3: BIOS setup