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IOU2 (IIO PCIe Br3)
Use this feature to configure the PCIe Bifurcation setting for a PCIe port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
CPU1 PCI-E Br0D00F0 - Port 0/DMI (Available for CPU 1
Configuration only)
Link Speed
Use this feature to configure the link speed of a PCIe port specified by the user. The options
are Auto, Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s), and Gen 3
(Generation 3) (8 GT/s)
The following information will be displayed:
•
PCI-E Port Link Status
•
PCI-E Port Link Max
•
PCI-E Port Link Speed
PCI-E Port Max (Maximum) Payload Size (Available for CPU 1 Configuration only)
Select Auto for the system BIOS to automatically set the maximum payload value for a
PCIe device specified by to user for system performance enhancement. The options are
Auto, 128B, and 256B.
IOAT Configuration
Disable TPH
TPH (TLP Processing Hint) is used for data-tagging with a destination ID and a few
important attributes. It can send critical data to a particular cache without writing through
to memory. Select No for TLP Processing Hint support, which will allow a "TPL request" to
provide "hints" to help optimize the processing of each transaction occurred in the target
memory space. The options are Yes and No.
Prioritize TPH (TLP Processing Hint)
Select Enable to prioritize the TPL requests that will allow the "hints" to be sent to help
facilitate and optimize the processing of certain transactions in the system memory. The
options are Enable and Disable.
Relaxed Ordering
Select Enable to allow certain transactions to be processed and completed before other
transactions that have already been enqueued. The options are Disable and Enable.
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Chapter 4: UEFI BIOS
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