EMX-BYTC
User’s Manual
48 EMX-BYTC
User’s Manual
Disabled,
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
[Default]
Keep Current
Set display mode for Option ROM.
INT19 Trap Response
Immediate
[Default]
Postponed
BIOS reaction INT19 trapping by Option ROM:
IMMEDIATE
– execute the trap right away;
POSTPONED
– execute the trap during legacy
boot.
Boot option filter
Legacy only
[Default]
UEFI only
This option controls Legacy/UEFI ROMs
priority.
Storage
Disable
UEFI only
Legacy only
[Default]
Controls the execution of UEFI and Legacy
Storage OpROM.
Video
Disable
UEFI only
Legacy only
[Default]
Controls the execution of UEFI and Legacy
Video OpROM.
Other PCI devices
UEFI only
Legacy only
[Default]
Determines OpROM execution policy for
devices other than Network, Storage, or Video.
3.6.2.10 USB Configuration
The USB Configuration menu helps read USB information and configures USB settings.
Item
Options
Description
XHCI Hand-off
Enabled
[Default]
This is a workaround for OSew without XHCI
