Hardware
285
OS Control
The following screen is displayed by selecting “OS Control” in Advanced Menu.
Refer to the following table for the items.
Item Parameter Description
USB Driver [EFI]
Legacy
When selecting EFI, USB can
be used on EFI-aware OS and
the firmware update can be
performed by accessing the
USB high-capacity storage
device from EFI Shell. When
selecting Legacy, USB
keyboard can be used on
non-EFI-aware OS. (Always
Disable) (display only)
EFI OPROMs
[Disable]
Enable
Set Disable/Enable for BIOS
expansion of EFI Option ROM.
ACPI Type
[Type1]
Select the type of ACPI.This
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