Supermicro 6027TR-H70FRF, User Manual, Page: 109 / 134

Chapter 7: BIOS
7-7
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Chipset Confi guration
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North Bridge
This feature allows the user to confi gure the following North Bridge settings.
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Integrated IO 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 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 Enabled and
Disabled.
Intel I/OAT
The Intel I/OAT (I/O Acceleration Technology) significantly reduces CPU
overhead by leveraging CPU architectural improvements, freeing up 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 effi ciency. The options are Enabled and Disabled.
IIO 1 PCIe Port Bifuracation Control
This submenu allows the user to confi gure the following IO PCIe Port Bifurcation
Control settings for IIO 1 PCIe port. These settings determine how to distribute
the available PCI-Express lanes to the PCI-Exp. Root Ports.
IOU1-PCIe Port
This feature allows the user to set the PCI-Exp bus speed between IOU1/2 and
PCIe 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 .