BIOS Setup
IB818F
User’s Manual
49
4
4.4.9
CSM Configuration
BIOS Setting
Description
CSM Support
Enables / Disables CSM support.
GateA20 Active
•
Upon Request
disables GA20 when using
BIOS services.
•
Always
cannot disable GA20, but is useful
when any RT code is executed above 1 MB.
INT19 Trap Response Sets how BIOS reacts on INT19 trap by Option
ROM.
•
Immediate
executes the trap right away.
•
Postponed
executes the trap during legacy
boot.
Boot option filter
Controls the priority of Legacy and UEFI ROMs.
Network
Controls the execution of UEFI and Legacy PXE
0pROM.
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.
Summary of Contents for IB818F Series
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