Supermicro X10QRH+ User Manual page 85

Chapter 4: AMI BIOS
Gen3 (Generation 3) DN RX Preset Hint
Use this item to set the Preset Hint mode for PCI-E Gen3 downstream recep-
tion (from a slave device to the master device). The options are Auto, P0 (-6.0
dB), P1 (-7.0 dB), P2 (-8.0 dB), P3 (-9.0 dB), P4 (-10.0 dB) P5 (-11.0 dB), and
P6 (-12.0 dB).
Gen3 (Generation 3) Up TX Preset
Use this item to set the Preset mode for PCI-E Gen3 upstream transactions (from
a slave device to the master device).The options are Auto, P0 (-6.0/0.0 dB),
P1 (-3.5/0.0 dB), P2 (-4.5/0.0 dB), P3 (-2.5/0.0 dB), P4 (0.0/0.0 dB), P5 (0.0/2.0
dB), P6 (0.0/2.5 dB), P7 (-6.0/3.5 dB), P8 (-3.5/3.5 dB), and P9 (0.0/3.5 dB).
Hide Port?
Select Yes to hide the PCI-E port specifi ed from the OS. The options are No
and Yes.
IIO2 Confi guration
IOU2 (IIO PCIe Port 1)
This feature allows the user to set the bus speed between the IOU2 and the
PCI-Exp port specifi ed above. The options are x4x4, x8, and Auto.
IOU0 (IIO PCIE Port 2)
This feature allows the user to set the bus speed between the IOU0 and the
PCI-Exp port specifi ed above. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8,
x16, and Auto.
IOU1 (IIO PCIE Port 3)
This feature allows the user to set the bus speed between the IOU1 and the
PCI-Exp port specifi ed above. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8,
x16, and Auto.
No PCIe Port Active ECO
Use this feature to select a workaround setting to implement the engineering-
change order (ECO) on the system when the PCI ports specifi ed by the user
are not active. The options are PCU Squelch exit ignore option and Reset the
SQ FLOP by CSR option.
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