Chapter 7: BIOS
7-11
No Snoop
Select Enable to support no-snoop mode for each CB device. 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 bus for a transaction 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 use 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.
QPI (Quick Path Interconnect) Confi guration
QPI Status
The following information will display:
• Number of CPU
• Number of II0
• Current QPI Link Speed
• Current QPI Link Frequency
• QPI Global MMIO Low Base/Limit
• QPI Global MMIO High Base/Limit
• QPI PCIe Confi guration Base/Size
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