Supermicro X11DPT-B User Manual page 84

Super X11DPT-B User's Manual
Interrupt Remapping
If this feature is set to Enable, I/O DMA transfer remapping and device-generated interrupts
will be supported. The options are Enable and Disable.
PassThrough DMA
Select Enable for the Non-Isoch VT-d engine to pass through DMA (Direct Memory Access)
to enhance system performance. The options are Enable and Disable.
ATS
Select Enable to enable ATS (Address Translation Services) support for the Non-Isoch VT-d
engine to enhance system performance. The options are Enable and Disable.
Posted Interrupt
Select Enable to support VT_D Posted Interrupt which will allow external interrupts to be
sent directly from a direct-assigned device to a client machine in non-root mode to improve
virtualization efficiency by simplifying interrupt migration and lessening the need of physical
interrupts. The options are Enable and Disable.
Coherency Support (Non-Isoch)
Select Enable for the Non-Isoch VT-d engine to pass through DMA (Direct Memory Access)
to enhance system performance. The options are Enable and Disable.
Intel® VMD Technology

This section describes the configuration settings for the Intel Volume Management Device
(VMD) Technology.
Notes: 1. After you've enabled VMD in the BIOS on a PCIe slot of your choice, this
PCIe slot will be dedicated for VMD use only, and it will no longer support any PCIe
device. To re-activate this slot for PCIe use, please disable VMD in the BIOS. 2. PCIe
slots and naming differ depending on the PCIe devices installed on your motherboard.
Intel® VMD for Volume Management Device on CPU1

VMD Configuration for PStack1/VMD Configuration for PStack2
Intel® VMD for Volume Management Device for PStack1/Intel® VMD for Volume
Management Device for PStack2
Select Enable to enable Intel Volume Management Device Technology support for the
root port specified by the user. The options are Enable and Disable.
*If Intel® VMD for Volume Management Device for PStack1 is set to Enable, the
following item will display.
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