Chapter 4: AMI BIOS
4-11
IOH PCI-E Max Payload Size
Some add-on cards perform faster with coalesce, which limits the payload size to
128B; while others, with a payload size of 256B which inhibits coalesce support.
Please refer to your add-on card user guide for the desired setting. The options
are
256B
and 128B.
Slot SXB2/SXB3 Width
This feature allows the user to change the link width of a PCI slot as specifi ed in
order to support a riser or add-on card installed in the slot. The options are x4x4,
x8
and Auto.
Slot SXB1 Width
This feature allows the user to change the link width of a PCI slot as specifi ed in
order to support a riser or add-on card installed in the slot. The options are x4x4x4x4,
x4x4x8, x8x4x4,
x8x8,
x16 and Auto.
SouthBridge Confi guration
This feature allows the user to confi gure Intel ICH South Bridge settings.
USB Functions
This feature allows the user to enable or disable onboard USB support. 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.
Port60h/64h Emulation
Select Enabled to enable 60h/64h emulation for complete USB keyboard support
for operating systems that are not compatible with USB devices. The options are
Enabled and
Disabled.
USB 2.0 Controller (Available when the item: USB Functions is disabled)
This feature displays the current USB controller used in the motherboard.
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).
