Chapter 6: BIOS
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CPU SLOT3 PCI-E 3.0 X16
Link Speed
Use this item to select the link speed for the PCI-E port specified by the user. The op-
tions are
Auto,
Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and Gen 3 (8 GT/s).
PCI-E Port Max Payload Size
Selecting
Auto
for this feature will enable the motherboard to automatically detect
the maximum Transaction Layer Packet (TLP) size for the connected PCI-E device,
allowing for maximum I/O efficiency. Selecting 128B or 256B will designate maximum
packet size of 128 or 256. Options are
Auto
, 128, and 256.
Auto
is enabled by default.
IOAT Configuration
Disable TPH
Transparent Hugepages is a Linux memory management system that enables commu-
nication in larger blocks (pages). Enabling this feature will increase performance. The
options are
No
and Yes.
Prioritize TPH
Use this feature to enable Prioritize TPH support. The options are Enable and
Disable.
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 Directed I/O (VT-d)
Select Enable to use Intel Virtualization Technology for Direct I/O VT-d support
by report-
ing 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 Disabled and
Enabled
.
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance. The
options are
Enable
and
Disable.
