Supermicro SUPERSERVER 1028R-WC1R, User Manual

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SUPERSERVER
1028R-WC1R(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 Isochrones support to meet QoS (Quality of Service)
requirements. This feature is especially important for virtualization technology.
The options are Disabled and Enabled.