Supermicro SUPERSERVER 6029BT-HNC0R - Page 79

Chapter 6: BIOS
79
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 Cong 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:
VMD port 1A~VMD port 1D (Available when the device is detected by the
system)
Select Enable to use the Intel Volume Management Device Technology for this spe-
Disable and Enable.
Hot Plug Capable (Available when the device is detected by the system)
Use this feature to enable hot plug support for PCIe root ports 1A~1D. The options
are Disable and Enable.