Asus RS740-E7-RS24-EG - Manual (Page 128)

5-42 Chapter 5: BIOS setup
CSM Parameters
This allows you to set OpROM execution, boot options filter, and other OpROM settings
settings.
Launch CSM [Always]
This option allows you to enable or disable the launch of CSM. Configuration options:
[Always] [Never]
Boot Option filter [Legacy only]
This option allows you to control what devices the system can boot to. Configuration options:
[UEFI and Legacy] [Legacy only] [UEFI only]
Launch PXE OpROM policy [Legacy only]
This option allows you to control the execution of UEFI and Legacy PXE OpROM.
Configuration options: [Do not launch] [UEFI only] [Legacy only] [Legacy first] [UEFI first]
Launch Storage OpROM policy [Legacy only]
This option allows you to control the execution of UEFI and Legacy Storage OpROM.
Configuration options: [Do not launch] [UEFI only] [Legacy only] [Legacy first] [UEFI first]
Launch Video OpROM policy [Legacy only]
This option allows you to control the execution of UEFI and Legacy Storage OpROM.
Configuration options: [Do not launch] [UEFI only] [Legacy only] [Legacy first] [UEFI first]
Other PCI device ROM priority [Legacy OpROM]
This option allows you to control the execution of UEFI and Legacy Storage OpROM.
Configuration options: [UEFI OpROM] [Legacy OpROM]