Avalue Technology EBM-BDW, User Manual, Page: 56 / 81

EBM-BDW
User’s Manual
56 EBM-BDW
User’s Manual
3.6.2.12 CSM Configuration
Item Options Description
CSM Support
Disabled,
Enabled [Default]
Enable/Disable CSM Support.
GateA20 Active
Upon Request [Default]
Always
UPON REQUEST
– GA20 can be disabled
using BIOS services. ALWAYS
– go not
allow disabling GA20; this option is useful
when any RT code is executed above 1MB.
Option ROM Messages
Force BIOS
Keep Current [Default]
Set display mode for Option ROM.
Boot option filter
UEFI and Legacy [Default]
Legacy only
UEFI only
This option controls Legacy/UEFI ROMs
priority.
Network
Do not launch [Default]
UEFI
Legacy
Controls the execution of UEFI and Legacy
PXE OpROM.
Storage
Do not launch
UEFI
Legacy [Default]
Controls the execution of UEFI and Legacy
Storage OpROM.
Video
Do not launch
UEFI
Legacy [Default]
Controls the execution of UEFI and Legacy
Video OpROM.
Other PCI devices
Do not launch
UEFI [Default]
Legacy
Determines OpROM execution policy for
devices other than Network, Storage, or
Video.