Advantech ARK-1220 User Manual page 48

 CSM Support
This item allows users to enable or disable CSM support.
 GateA20 Active
This item allows users to enable or disable GA20 function. The Always option
does not allow GA20 disabling and is useful when executing an RT code above
1 MB.
 INT19 Trap Response
This item allows users to configure the BIOS reaction to INT19 trapping. The
Immediate option instructs the BIOS to execute the trap immediately. The Post-
poned option instructs the BIOS to execute the trap during legacy boot.
 Boot Option Filter
This item allows users to configure the legacy/UEFI ROM priority.
 Network
This item allows users to configure the execution of UEFI and Legacy PXE
OpROM.
 Storage
This item allows users to configure the execution of UEFI and Legacy Storage
OpROM.
 Video
This item allows users to configure the execution of UEFI and Legacy Video
OpROM.
 Other PCI Devices
This item allows users to configure the OpROM execution policy for other
devices.
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