Asus P9D-E/4L User Manual page 99

CSM Parameters
This allows you to set OpROM execution, boot options filter, and other OpROM
settings settings.
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Launch CSM
Boot Option filter
Launch PXE OpROM policy
Launch Storage OpRom policy
Launch Video OpRom policy
Other PCI device ROM priority
Launch CSM [Enabled]
This option allows you to enable or disable the launch of CSM. Configuration options:
[Disabled] [Enabled]
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]
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Boot
[Enabled]
[Legacy only]
[Legacy only]
[Legacy only]
[Legacy only]
[Legacy OpROM]
This option controls if
CSM will be launched.
Chapter 4: BIOS setup