SuperServer 5039MP-H8TNR User's Manual
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PassThrough DMA
Use this feature to allow devices such as network cards to access the system memory
without using a processor. Select Enable to use the Non-Isoch VT_D Engine Pass
Through Direct Memory Access (DMA) support. The options are
Enable
and Disable.
ATS
Use this feature to enable Non-Isoch VT-d Engine Address Translation Services (ATS)
support. ATS translates virtual addresses to physical addresses. The options are
En-
able
and Disable.
Posted Interrupt
Use this feature to enable VT_D Posted Interrupt. The options are
Enable
and Disable.
Coherency Support (Non-Isoch)
Use this feature to maintain setting coherency between processors or other devices.
Select Enable for the Non-Isoch VT-d engine to pass through DMA to enhance system
performance. The options are
Enable
and Disable.
Intel® VMD Technology
Note:
After you've enabled VMD on a PCI-E slot of your choice, this PCI-E
slot will be dedicated for NVMe storage devices use only, and it will no longer
support PCI-E devices of other functionalities. To re-activate this slot for PCI-E
use, please disable VMD.
Intel
®
VMD for Volume Management Device on CPU
VMD Config for PStack0
Intel® VMD for Volume Management Device for PStack0
Select Enable to use the Intel Volume Management Device Technology for this stack.
The options are
Disable
and Enable.
*If the feature above is set to Enable, the following features will become avail-
able for configuration:
CPU1 SLOT4 PCI-E 3.0 X16 VMD
Select Enable to use the Intel Volume Management Device Technology for this spe-
cific root port. The options are
Disable
and Enable.
