Supermicro SuperWorkstation SYS-5039A-i User Manual page 65

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-Iscoh VT-d engine to pass through DMA (Direct Memory
Access) to enhance system performance. The options are Enable and Disable.
Intel VMD Technology
Intel VMD for Volume Management Device on CPU
VMD Config for PStack0
Intel VMD for Volume Management
Select Enable to use the Intel Volume Management Device Technology for this stack.
The options are Disable and Enable.
VMD Config for PStack2
Intel VMD for Volume Management
Select Enable to use the Intel Volume Management Device Technology for this stack.
The options are Disable and Enable.
PCI-E Completion Timeout Disable
Select Enable to enable PCI-E Completion Timeout support for electric tuning. The
options are Yes, No, and Per-Port.
South Bridge
The following South Bridge information will display:
•
USB Module Version
•
USB Devices
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable legacy
support. if there are no legacy USB devices present. Select Disable to have all USB devices
available for EFI applications only. The options are Enabled, Disabled and Auto.
XHCI Hand-Off
This is a work-around solution for operating systems that do not support XHCI (Extensible
Host Controller Interface) hand-off. The XHCI ownership change should be claimed by the
XHCI driver. The options are Enabled and Disabled.
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Chapter 6: BIOS