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CSM Configuration
Parameter
Compatibility Support Module
Configuration
CSM Support
CSM16 Module Version
Gate20 Active
Option ROM Messages
INT19 Endless Retry
NT19 Endless Retry
Boot option filter
Description
Enable/Disable CSM Support.
Display CSM Module version information.
Upon Request: GA20 can be disabled using
BIOS services.
Always: Do not allow disabling GA20; this
Option ROM Messages.
BIOS reaction on INT19 trapping by Option
ROM
Enabled: Allowed headless retry boot
Determines which devices system will boot
to.
21
Option
[Enabled]
Disabled
[Upon Request]
Always
[Force BIOS]
Keep Current
[Immediate]
Postpone
[Enabled
Disabled
[UEFI and Legacy]
Legacy only
UEFI only
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