BCM MX680RD - PCI Express Root Port 2 (X16 PEG Slot); PCI Express Root 2 [Enabled]; ASPM [Disabled]; Pcie Speed [Auto]

MX680RD User’s Manual
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2.5.1.5.3 PCI Express Root Port 2 (x16 PEG slot)
2.5.1.5.3.1 PCI Express Root Port 2 [Enabled]
Control the PCI express Root Port
Configuration options: [Enabled], [Disabled]
2.5.1.5.3.2 ASPM [Disabled]
Set the ASPM level
Configuration options: [Disaled], [L0S], [L1], [L0sL1]
2.5.1.5.3.3 PCIe Speed [Auto]
Configure PCIe Speed
Configuration options: [Auto], [Gen1], [Gen2], [Gen3], [Gen4], [Gen5]