User Guide
Page 64
... want to fully support the various VGA, bootable devices and add-on devices or the Windows® UEFI mode. [Disabled] Disable the CSM to protect the system from PCIe/PCI Expansion Devices [Legacy OpROM first] Allows you to select the type of devices that you to configure ...the CSM (Compatibility Support Module) items to launch. Configuration options: [Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore...
... want to fully support the various VGA, bootable devices and add-on devices or the Windows® UEFI mode. [Disabled] Disable the CSM to protect the system from PCIe/PCI Expansion Devices [Legacy OpROM first] Allows you to select the type of devices that you to configure ...the CSM (Compatibility Support Module) items to launch. Configuration options: [Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore...