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Auto / Disabled / Enabled
Surprise Hot Plug Capable
This option specifies if the link is considered Hot Plug capable.
Disabled / Enabled
Link Speed
Choose Link Speed for this PCIe port.
Auto / Gen1 (2.5 GT/s) / Gen2 (5 GT/s) / Gen3 (8 GT/s) / Gen4 (16 GT/s)
Override Max Link Width
Override the max link width that was set by bifurcation.
Auto / x1 / x2 / x4 / x8 / x16
PCI-E Port DeEmphasis
De-Emphasis control (LNKCON2[6]) for this PCIe port.
-6.0 dB / -3.5 dB
PCI-E ASPM Support
This option enables/disables the ASPM (L1) support for the downstream devices.
Auto / L1 Only / L0s Only / Disabled
Hide Port?
User can force to hide this root port from OS.
Disabled / Enabled
MCTP
Enable/Disable MCTP
Disabled / Enabled
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