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SOM-5897 User Manual
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GateA20 Active
UPON Request- GA20 can be disabled using BIOS services. Do not allow dis-
abling of GA20; this option is useful when any RT code is executed above 1MB.
INT19 Trap Response
BIOS reaction on INT19 trapping by option ROM: IMMEDIATE – execute the
trap right away; POSTPONED – execute the trap during legacy boot.
Boot option filter
This option controls legacy/UEFI ROMs priority
Network
Controls the execution of UEFI and legacy PXE OpROM
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
3.1.2.12
USB Configuration
Legacy USB Support
Enables Legacy USB support. Auto option disables legacy support if no USB
devices are connected. Disable option will keep USB devices available only for
EFI applications.
XHCI Hand-off
This is a workaround for OS without XHCI ownership change should be claimed
by XHCI driver.
USB Mass Storage Driver Support
Enable/Disable USB Mass Storage Driver Support.
Содержание SOM-5897
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