Supermicro SuperStorageServer SSG-6119P-ACR12N4L User Manual page 91

IOU2 (IIO PCIe Br3)
Use this feature to configure the PCI-E Bifurcation setting for a PCI-E port specified by
the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
P2_NVMe1 (Available when the device is detected by the system)

Link Speed
Use this feature to configure the link speed of a PCI-E port specified by the user.
The options are Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and Gen 3 (8 GT/s).
The following information is displayed:
• PCI-E Port Link Status
• PCI-E Port Link Max
• PCI-E Port Link Speed
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 specified by to user for system performance enhancement. The
options are 128B, 256B, and Auto.
P2_NVMe2 (Available when the device is detected by the system)

Link Speed
Use this feature to configure the link speed of a PCI-E port specified by the user.
The options are Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and Gen 3 (8 GT/s).
The following information is displayed:
• PCI-E Port Link Status
• PCI-E Port Link Max
• PCI-E Port Link Speed
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 specified by to user for system performance enhancement. The
options are 128B, 256B, and Auto.
P2_NVMe3 (Available when the device is detected by the system)

Link Speed
Use this feature to configure the link speed of a PCI-E port specified by the user.
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