Ioat Configuration - Supermicro SuperServer 2028BT-HTR+ User Manual

IOU2 Non-Posted Prefetch
Select Enable to use the function of Non-Posted Prefetch on the slot specified
by the user. The options are Enable and Disable.
IOAT Configuration
Enable IOAT (I/O Acceleration Technology)
Select Enable to enable Intel I/OAT (I/O Acceleration Technology), which
significantly reduces CPU overhead by leveraging CPU architectural
improvements and freeing the system resource for other tasks. The options
are Enable and Disable.
No Snoop
Select Enable to support no-snoop mode to ensure cache coherency within
each memory platform. The options are Disable and Enable.
Relaxed Ordering
Select Enable to enable Relaxed Ordering support which will allow certain
transactions to violate the strict-ordering rules of PCI and to be completed
prior to other transactions that have already been enqueued. The options are
Disable and Enable.
Intel VT for Directed I/O (VT-d)

Intel VT for Direct I/O (VT-d)
Intel VT for Directed I/O (VT-d)
®
Select Enable to enable Intel Virtualization Technology support for Direct I/O
VT-d support by reporting the I/O device assignments to the VMM (Virtual
Machine Monitor) through the DMAR ACPI tables. This feature offers fully-
protected I/O resource sharing across Intel platforms, providing greater reliability,
security and availability in networking and data-sharing. The options are Enable
and Disable.
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance.
The options are Enable and Disable.
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Chapter 6: BIOS