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Chapter 5: BIOS
XHCI Hand-Off
This is a work-around solution for operating systems that do not support XHCI (Extensible
Host Controller Interface) hand-off. The XHCI ownership change should be claimed by the
XHCI driver. The settings are
Enabled
and Disabled.
EHCI Hand-Off
This item is for the 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 Enabled and
Disabled
.
Port 60/64 Emulation
This feature enables or disables I/O port 60h/64h emulation support. This should be enabled
for complete USB keyboard legacy support for non-USB-aware Operating Systems. The
options are Disabled and
Enabled
.
USB 3.0 Support
Select Enabled for USB 3.0 support. The options are Smart Auto,
Auto,
Disabled, and
Enabled.
EHCI1
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on USB 2.0
connector #1 (at least one USB 2.0 connector should be enabled for EHCI support). The
options are Disabled and
Enabled
.
EHCI2
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on USB 2.0
connector #2 (at least one USB 2.0 connector should be enabled for EHCI support). The
options are Disabled and
Enabled
.
XHCI Pre-Boot Driver
Select Enabled to enable XHCI (Extensible Host Controller Interface) support on a pre-boot
drive specified by the user. The options are Enabled and
Disabled
.
SATA Configuration
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
Enabled
and Disabled.