Supero X9DRW-3F, User Manual

Page: 79 / 107

Chapter 4: AMI BIOS
4-9

Chipset Configuration

North Bridge
This feature allows the user to configure the settings for the Intel North Bridge.

Integrated IO Configuration
Intel VT-d
Select Enabled to enable Intel Virtualization Technology support for Direct I/O
VT-d
by reporting the I/O device assignments to the VWM (Virtual Working
Memory) through the DMAR ACPI Tables. This feature offers fully-protected
I/O resource sharing across Intel platforms, providing greater reliability, security
and availability in networking and data-sharing. The options are Disabled and
Enabled .
Intel I/OAT
The Intel I/OAT (I/O Acceleration Technology) significantly reduces CPU over -
head by leveraging CPU architectural improvements, freeing the system resource
for other tasks. The options are Disabled and
Enabled
.
DCA Support
Select Enabled to use Intel's DCA (Direct Cache Access) Technology to improve
data transfer efficiency. The options are Disabled and Enabled .
IIO 1 PCIe Port Bifurcation Control/ IIO 2 PCIe Port Bifurcation Control
This submenu configures the following IO PCIe Port Bifurcation Control settings
for IIO 1 PCIe ports or IIO 2 PCIe ports to determine how the available PCI-
Express lanes are distributed between the PCI-Express Root Ports.
IIO 2 PCIe Port
This item configures IOU2-PCIe Port settings. The options are: x4x4x4x4,
x4x4x8, x8x4x4, x8x8, x16 and Auto .
IIO 3 PCIe Port
This item configures IOU3-PCIe Port settings. The options are: x4x4x4x4,
x4x4x8, x8x4x4, x8x8, x16 and
Auto
.