Chapter 4: AMI BIOS
4-9
PCIe Maximum Payload
Select Auto to allow the system BIOS to automatically set the maximum payload
value for a PCI-Express device to enhance system performance. The options
are Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096
Bytes.
PCI Express Port
Select Auto to allow the system BIOS to automatically enable PCI-E support
when a PCI-E device is detected in the system. Select Enabled to enable PCI-E
support. The options are Auto, Enabled and Disabled.
PEG Force Gen1
Select Enabled to support PCI-Express Gen. 1 devices. The options are Enabled
and Disabled.
Detect Non-Compliance Device
Select Enabled for the system BIOS to detect if a non-compliance PCI-Express
device is used in the system. The options are Enabled and Disabled.
South Bridge Confi guration
The following South Bridge submenu items are listed below.
South Bridge Revision:
• This item displays the revision number of the South
Bridge chip used in this system.
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 detected
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.
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 the
BIOS-controlled to the OS-controlled. The options are Disabled and Enabled.
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