Supermicro SuperServer 1029P-MT User Manual page 71

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 Enable
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-Iscoh VT-d engine to pass through DMA to enhance system
performance. The options are Enable and Disable.
Intel® VMD Technology
Intel® VMD for Volume Management Device on CPU1
VMD Config for PStack0
Intel® VMD for Volume Management Device
Select Enable to use the Intel Volume Management Device Technology for this stack.
The options are Disable and Enable.
*If the item "Intel VMD for Volume Management Device" above is set to Enable,
the following items will be dislayed:
CPU SLOT6 PCI-E 3.0 X8 VMD (Available when the device is detected by the
system)
Select Enable to use the Intel Volume Management Device Technology for this spe-
cific root port. The options are Disable and Enable.
CPU SLOT4 PCI-E 3.0 X8 VMD (Available when the device is detected by the
system)
Select Enable to use the Intel Volume Management Device Technology for this spe-
cific root port. The options are Disable and Enable.
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Chapter 6: BIOS