User`s manual

7-10

SUPERSERVER 6018R-WTR(T) USER'S MANUAL

Intel

I/OAT

Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which

will significantly reduce CPU overhead by leveraging CPU architectural

improvements and freeing the system resource up 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 default is Enabled and can not be changed.

MMCFG Base

Use this feature to select the default value for the PCI MMIO (Memory-Mapped

IO) Base Address. The lower the value, the less available the system memory

will be in a 32-bit OS environment. The options are 0x80000000, 0xA0000000

and 0xC0000000.

IIO 1 PCIe Port Bifurcation Control/IIO 2 PCIe Port Bifurcation Control

This submenu conﬁ gures the following IO PCIe Port Bifurcation Control settings

for IIO 1 PCIe ports to determine how the available PCI-Express lanes to be

distributed between the PCI-Exp. Root Ports.

CPU1 Slot4 PCI-E 3.0 x8 Link Speed

This feature allows the user to set the PCI-Exp bus speed for the slot speciﬁ ed

above. The options are Gen1 (Generation 1), Gen2 and Gen3.

CPU1 Slot6 PCI-E 3.0 x8 Link Speed

This feature allows the user to set the PCI-Exp bus speed for the slot speciﬁ ed

above. The options are Gen1 (Generation 1), Gen2 and Gen3.

QPI Conﬁ guration

Current QPI Link

This item displays the current status of the QPI Link.

Current QPI Frequency

This item displays the current frequency of the QPI Link.

Isoc

Select Enabled to enable Ischronous support to meet QoS (Quality of Service)

requirements. This feature is especially important for virtualization technology.

The options are Disabled and Enabled.