Asus RAMPAGE IV BLACK EDITION - Manual (Page 131)

ASUS RAMPAGE IV BLACK EDITION 3-41
Chapter 3
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 ® 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 when you set the Launch CSM to [Enabled].
Boot Device Control [UEFI and L...]
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 OPR...]
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 OPR...]
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 Expansion Devices [Legacy OPR...]
Allows you to select the type of PCIe/PCI expansion devices that you want to
launch.
Configuration options: [Legacy OPROM first] [UEFI driver first]