Advantech AIMB-215 User Manual page 71

3.2.2.15 Compatibility Support Module Configuration
 CSM Support
This item allows users to enable or disable CSM support.
 GateA20 Active
Upon request - GA20 can be disabled using BIOS services. ALWAYS - do not
allow disabling GA20; this option is useful when any RT code is executed above
1MB.
 Option ROM Messages
This item allows users to set the display mode for Option ROM.
 INT19 Trap Response
This item allows users to set the BIOS reaction to INT19 trapping by Option
ROM: "Immediate" - execute the trap right away; "postponed" - execute the trap
during legacy boot.
 Boot Options Filter
This item allows users to control the Legacy/UEFI ROM priority.
 Option ROM Execution
– Network
Controls the execution of UEFI and Legacy PXE OpROM.
– Storage
Controls the execution of UEFI and Legacy Storage OpROM.
– Video
Controls the execution of UEFI and Legacy Video OpROM.
– Other PCI devices
Determines the OpROM execution policy for devices other than network,
storage, and/or video devices.
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