Advantech ITA-7220 Series, User Manual

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23 ITA-7220 User Manual
Chapter 3
B
IOS Settings
 CSM Support
Enable/Disable CSM Support.
 GateA20 Active
This items is useful when RT code is executed above 1MB. When this is set as
"UPON RQUEST", GA20 can be disabled using BIOS services. When it's set as
"Always", it does not allow disabling GA20.
 Option ROM Messages
Set display mode for Option ROM.
 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.
3.2.2.11 USB Configuration
 Legacy USB Support
Enables support for legacy USB. Auto option disables legacy support if no USB-
devices are connected. DISABLE option will keep USB devices available only
for EFI applications.