North Bridge - Supermicro 6027AX-TRF-HFT2 User Manual

S S
UPER ERVER 6027AX-72RF/TRF-HFT1/HFT2/HFT3 User's Manual
Chipset Confi guration
North Bridge
This feature allows the user to confi gure the settings for the Intel North Bridge.
IOH Confi guration
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-
nifi cantly 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 effi ciency. The default is Enabled and can
not be changed.
IOH 0 PCIe Port Bifurcation Control
This submenu confi gures 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.
7-10