User Guide
Page 80
...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 for better compatibility. Configuration options: [UEFI and Legacy OPROM] [Legacy OPROM only] [UEFI only] Boot.... Disables the ROM messages and displays only the ASUS logo during POST. Configuration options: [Legacy OPROM first] [UEFI driver first] [Ignore] Boot from PCI-E/PCI Expansion Devices [Legacy OPROM first] Allows you set Launch CSM to fully support the Windows® Security Update and...
...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 for better compatibility. Configuration options: [UEFI and Legacy OPROM] [Legacy OPROM only] [UEFI only] Boot.... Disables the ROM messages and displays only the ASUS logo during POST. Configuration options: [Legacy OPROM first] [UEFI driver first] [Ignore] Boot from PCI-E/PCI Expansion Devices [Legacy OPROM first] Allows you set Launch CSM to fully support the Windows® Security Update and...