32
ET875 Series
User’s Manual
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
Selects the way that BIOS reacts on INT19 trapping 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.
Network
Controls the execution of UEFI and Legacy PXE
OpROM.
Содержание ET875 Series
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