Supero X9DAX-7F, User Manual

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X9DAX-iF/-7F/-iTF/-7TF Motherboard User's Manual
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IOH 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 VMM (Virtual Machine
Monitor) 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
Enabled and
Disabled.
Intel
®
I/OAT
Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which sig-
nificantly reduces CPU overhead by leveraging CPU architectural improvements
and freeing the system resource for other tasks. The options are Disabled and
Enabled .
DCA Support
When set to Enabled, this feature uses Intel's DCA (Direct Cache Access)
Technology to improve data transfer efficiency. The default is
Enabled
and can
not be changed.
IOH 0 PCIe Port Bifurcation Control
This submenu configures the following IO PCIe Port Bifurcation Control settings
for the PCIe ports to determine how the available PCI-Express lanes will be
distributed between the PCI-Exp. Root Ports.
IOU1 - PCIe Port
This feature allows the user to set the PCI-Exp bus speed between IOU1 and
the PCI-e port. The options are x4x4, and
x8 .
Port 1A Link Speed
Select GEN1 to enable PCI-Exp Generation 1 support for Port 1A. Select GEN2
to enable PCI-Exp Generation 2 support for Port 1A. Select GEN3 to enable
PCI-Exp Generation 3 support for Port 1A. The options are GEN1, GEN2
,
and
GEN3
.
IOU2 - PCIe Port
This feature allows the user to set the PCI-Exp bus speed between IOU2 and the
PCI-e port. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, and
x16 .
Port 2A Link Speed
Select GEN1 to enable PCI-Exp Generation 1 support for Port 2A. Select GEN2
to enable PCI-Exp Generation 2 support for Port 2A. Select GEN3 to enable