Advantech AIMB-286EF User Manual page 78

 Enable Root Port [Auto]
 Max Link Speed [Auto]
 PEG0 Slot Power Limit Scale [1.0x]
 Program PCIe ASPM after OpROM [Disabled]
Enabled: PCIe ASPM will be programmed after OpROM.
Disabled: PCIe ASPM will be programmed before OpROM.
 Program Static Phase1 Eq [Enabled]
 Always Attempt SW EQ [Disabled]
Number of Presets to test [Auto]

Allow PERST# GPIO Usage [Enabled]

 SW EQ Enable VOC [Auto]
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