Csm Configuration - Asus RS500A-E9 SERIES User Manual

5.4.11

CSM Configuration

CSM Support [Enabled]
This option allows you to enable or disable CSM Support.
Configuration options: [Disabled] [Enabled]
The following item appears only when CSM Support is set to [Enabled].
GateA20 Active [Upon Request]
This allows you to set the GA20 option.
Configuration options: [Upon Request] [Always]
Option ROM Messages [Force BIOS]
This allows you to set the display mode for option ROM.
Configuration options: [Force BIOS] [Keep Current]
INT19 Trap Response [Immediate]
[Immediate]
[Postponed]
Boot Option filter [Legacy only]
This option allows you to control the Legacy/UEFI ROMs priority.
Configuration options: [UEFI and Legacy] [Legacy only] [UEFI only]
Network / Storage / Video [Legacy]
This option allows you to control the execution of UEFI and Legacy PXE / Storage /
Video OpROM.
Configuration options: [UEFI] [Legacy]
Other PCI devices [Legacy]
This item determines the OpROM execution policy for devices other than Network,
Storage, or Video.
Configuration options: [UEFI] [Legacy]
5-20
Execute the trap right away.
Execute the trap during legacy boot.
Chapter 5: BIOS Setup