Supermicro SuperServer 6039P-TXRT User Manual page 81

CPU1 SLOT9 PCI-E 3.0 x16

Link Speed
Use this feature to select the link speed for the PCIe port. The options are Auto,
Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and Gen 3 (8 GT/s).
PCI-E Port Link Status
PCI-E Port Link Max
PCI-E Port Link Speed
PCI-E Port Clocking
The options are Distinct and Common. If this item is set to Distinct, this component
and the component at the opposite end of the Link are operating with separate refer-
ence clock sources. If this item is set to Common, this component and the component
at the opposite end of the Link are operating with a common clock source.
PCI-E Port Max Payload Size
Select Auto for the system BIOS to automatically set the maximum payload value
for a PCI-E device to enhance system performance. The options are 128B, 256B,
and Auto.
CPU2 Configuration

IOU0 (IIO PCIe Br1)
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.
IOU1 (IIO PCIe Br2)
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.
IOU2 (IIO 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.
CPU2 SLOT6 PCI-E 3.0 x16

Link Speed
Use this feature to select the link speed for the PCIe port. The options are Auto,
Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and Gen 3 (8 GT/s).
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Chapter 6: UEFI BIOS