Chapter 4: BIOS
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MCP0 (IIO PCIe Br4)
This feature congures the PCI-E Bifuraction setting for a PCI-E port specied by the user.
The options are x16 and Auto.
MCP1 (IIO PCIe Br5)
This feature congures the PCI-E Bifuraction setting for a PCI-E port specied by the user.
The options are x16 and Auto.
CPU1 PCI-E Br0D00F0 - Port 0/DMI (Available for CPU 1 Conguration
only)
Link Speed
This feature congures the link speed of a PCI-E port specied 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 as well:
• PCI-E Port Link Status
• PCI-E Port Link Max
• PCI-E Port Link Speed
PCI-E Port Clocking (Available for CPU 1 Conguration only)
Use this feature to congure port overclocking settings between the port specied above
and downstream components. The options are Distinct and Common.
PCI-E Port Max (Maximum) Payload Size (Available for CPU 1 Conguration only)
Select Auto for the system BIOS to automatically set the maximum payload value for a
PCI-E device specied by to user to enhance system performance. The options are Auto,
128B, and 256B.
IOAT Conguration
Disable TPH (TLP Processing Hint)
TPH 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 in this
item 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 Yes 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.
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