SUPER MICRO Computer 7047A-T, 7047A-73 XChipset Configuration XNorth Bridge, Xioh Configuration

SuperWorkstation 7047A-73/7047A-T User's Manual

XChipset Configuration

XNorth Bridge

This feature allows the user to configure the settings for the Intel North Bridge.

XIOH 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 Enabled and Disabled.

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 Enabled and Disabled.

IOH 0 / IOH 1 PCIe Port Bifurcation Control

This allows the user to configure the following IO PCIe Port Bifurcation Control settings for IOH 1 PCIe port and IOH 2 PCIe port, which determine how to dis- tribute 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 and PCIe port. The options are x4x4 and x8. The default setting for IOH 0 is x4x4. The default setting for IOH 1 is 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.

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