AXIOMTEK IMB540 User Manual page 44

IMB540 User's manual
⚫ Compatibility Support Module (CSM) Configuration
This screen displays CSM information.
CSM Support
Enabled / Disable CSM Support.
GateA20 Active
UPON REQUEST - GA20 can be disabled using BIOS services. ALWAYS - do not allow to
disable GA20. This option is useful when any RT code is executed above 1MB.
Option ROM Messages
Set display mode for Option ROM.
INT19 Trap Response
BIOS reaction on INT19 trapping by Option ROM: IMMEDIATE - execute the trap right away;
POSTPONED - execute the trap during legacy boot.
Boot option filter
This option controls Legacy/UEFI ROMs priority.
Storage
Controls the execution of UEFI and Legacy Storage OpROM.
Video
Controls the execution of UEFI and Legacy Video OpROM.
Other PCI devices
Determines OpROM execution policy for devices other than Network, Storage, or Video.
38 AMI BIOS Setup Utility