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GateA20 Active
When set to Upon Request, GA20 can be disabled using BIOS services. When set to Always, GA20
cannot be disabled; this option is useful when any RT code is executed above 1MB.
Options available: Upon Request/Always. Default setting is Upon Request.
Please note that this item is configurable when CSM Support is set to Enabled.
INT19 Trap Response
Configures BIOS reaction on INT19 trapping by Option ROM. When set to Immediate, the system
executes the trap right away. When set to Postponed, the system executes the trap during legacy boot.
Options available: Immediate/Postponed. Default setting is Immediate.
Please note that this item is configurable when CSM Support is set to Enabled.
Boot option filter
Controls the Legacy/UEFI ROMs priority.
Options available: UEFI and Legacy/Legacy only/UEFI. Default setting is UEFI and Legacy.
Please note that this item is configurable when CSM Support is set to Enabled.
Option ROM execution
Network
Controls the execution of UEFI and Legacy PXE Option ROM.
Options available: Do not launch/UEFI/Legacy. Default setting is UEFI.
Please note that this item is configurable when CSM Support is set to Enabled.
Storage
Controls the execution of UEFI and Legacy Storage Option ROM.
Options available: Do not launch/UEFI/Legacy. Default setting is UEFI.
Please note that this item is configurable when CSM Support is set to Enabled.
Video
Controls the execution of UEFI and Legacy Video Option ROM.
Options available: Do not launch/UEFI/Legacy. Default setting is UEFI.
Please note that this item is configurable when CSM Support is set to Enabled.
Other PCI devices
Determines Option ROM execution policy for devices other than Network, Storage, or Video.
Options available: Do not launch/UEFI/Legacy. Default setting is UEFI.
Please note that this item is configurable when CSM Support is set to Enabled.
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BIOS Setup
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