User’s Manual

3-19
Chapter 3: BIOS setup
Option ROM Messages [Force BIOS]
[Force BIOS] The third-party ROM messages will be forced to display during the
boot sequence.
[Keep Current] The third-party ROM messages will be displayed only if the third-
party manufacturer had set the add-on device to do so.
Interrupt 19 Capture [Disabled]
This item allows you to trap Interrupt 19 by the option ROMs. Conguration
options: [Disabled] [Enabled]
3.5.2 CSM (Compatibility Support Module)
Allows you to congure 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.
Conguration 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.
Conguration options: [Ignore] [Legacy only] [UEFI driver rst]
Boot from Storage Devices [Legacy Only]
Allows you to select the type of storage devices that you want to launch.
Conguration options: [Ignore] [Legacy only] [UEFI driver rst]
Boot from PCI-E Expansion Devices [Legacy Only]
Allows you to select the type of PCI-E expansion devices that you want to
launch. Conguration options: [Legacy only] [UEFI driver rst]