Supermicro X11SRA - Page 77

Chapter 4: BIOS
77
CPU1 Conguration
IOU0 (Slot4)
This feature congures the PCI-E Bifuraction setting for a PCI-E port specied by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
IOU1 (Slot6)
This feature congures the PCI-E Bifuraction setting for a PCI-E port specied by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
IOU2 (Slot2, M.2_1, M.2_2)
This feature congures the PCI-E Bifuraction setting for a PCI-E port specied by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
CPU SLOT6PCI-E 3.0 x16/ CPU M.2 PCI-E 3.0 x4/CPU M.2 PCI-E 3.0
x4/ CPU SLOT6 PCI-E 3.0 x8(IN x16)
Link Speed
This feature congures the link speed of a PCI-E port specied 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).
PCI-E Port Max (Maximum) Payload Size
Select Auto for the system BIOS to automatically set the maximum payload value
for a PCI-E device specied by to the user to enhance system performance. The
options are Auto, 128B, and 256B.
IOAT Conguration
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
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.