Chapter 6: UEFI BIOS
73
IOU2 (II0 PCIe Br3)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto
.
MCP0 (II0 PCIe Br4)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto
.
MCP1 (II0 PCIe Br5)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto
.
CPU2 PcieBr1D00F0 - Port 1A/PcieBr1D01F0 - Port 1B/RSC-R1UW-2E16
SLOT1/RSC-R1UW-E8R SLOT1
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.