Chapter 4: AMI BIOS
4-19
South Bridge Con
fi
guration
The following South Bridge information will display:
USB Con
fi
guration
•
USB Module Version
•
USB Devices
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable
legacy support if there are no legacy USB devices present. Select Disable to have
all USB devices available for EFI applications only. The options are
Enabled,
Disabled, and Auto.
XHCI (Extensible Host Controller Interface) Hand-Off
This is a work-around solution for operating systems that do not support XHCI (Ex-
tensible Host Controller Interface) hand-off. The XHCI ownership change should be
claimed by the XHCI driver. The settings are
Enabled
and Disabled.
EHCI (Enhanced Host Controller Interface) Hand-Off
This item is for operating systems that do not support Enhanced Host Controller
Interface (EHCI) hand-off. When this item is enabled, EHCI ownership change will
be claimed by the EHCI driver. The settings are
Disabled
and Enabled.
Port 60/64 Emulation
SATA Con
fi
guration
When this submenu is selected, the AMI BIOS automatically detects the presence
of the SATA devices that are supported by the Intel PCH chip and displays the
following items:
SATA Controller
This item enables or disables the onboard SATA controller supported by the Intel
PCH chip. The options are Disabled and
Enabled
.
Con
fi
gure SATA as
Select IDE to con
fi
gure a SATA drive speci
fi
ed by the user as an IDE drive. Select
AHCI to con
fi
gure a SATA drive speci
fi
ed by the user as an AHCI drive. Select
RAID to con
fi
gure a SATA drive speci
fi
ed by the user as a RAID drive. The options
are IDE,
AHCI
, and RAID.