Chapter 4: AMI BIOS
4-11
PCI-E Port 1 Link Select
This feature allows the user to confi gure the IOH link settings for the PCI-E Port 1.
The options are X4X4X4X4, X4X4X8, X8X4X4, X8X8, and
X16.
South Bridge Confi guration
This feature allows the user to confi gure the settings for the Intel ICH South Bridge
chipset.
USB Functions
This feature allows the user to decide the number of onboard USB ports to be
enabled. The Options are: Disabled and
Enabled
.
Legacy USB Support
Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy USB
support will be automatically enabled if a Legacy USB device is installed on the
motherboard, and vise versa. The settings are Disabled,
Enabled,
and Auto.
USB 2.0 Controller
Select Enabled to activate the onboard USB 2.0 controller. The options are
Enabled
and Disabled.
USB 2.0 Controller Mode
This setting allows you to select the USB 2.0 Controller mode. The options are
Hi-Speed (480 Mbps
) and Full Speed (12 Mbps).
BIOS EHCI Hand-Off
Select Enabled to enable BIOS Enhanced Host Controller Interface support to
provide a workaround solution for an operating system that does not have EHCI
Hand-Off support. When enabled, the EHCI Interface will be changed from BIOS-
controlled to OS-controlled. The options are Disabled and
Enabled
.
IDE/SATA/Floppy Confi guration
When this submenu is selected, the AMI BIOS automatically detects the presence
of IDE or SATA devices and displays the following items.
SATA#1 Confi guration
If Compatible is selected, it sets SATA#1 to legacy compatibility mode, while se-
lecting Enhanced sets SATA#1 to native SATA mode. The options are Disabled,
Compatible and
Enhanced
.