BCM MX680RD - PCI Express Root Port 1 (X4 Key M); PCI Express Root Port 1 [Enabled]; ASPM [Disabled]; Pcie Speed [Auto]

MX680RD User’s Manual
96
2.5.1.5.2 PCI Express Root Port 1 (x4 Key M)
2.5.1.5.2.1 PCI Express Root Port 1 [Enabled]
Control the PCI express Root Port
Configuration options: [Enabled], [Disabled]
2.5.1.5.2.2 ASPM [Disabled]
Set the ASPM level
Configuration options: [Disabled], [L0S], [L1], [L0sL1]
2.5.1.5.2.3 PCIe Speed [Auto]
Configure PCIe Speed
Configuration options: [Auto], [Gen1], [Gen2], [Gen3], [Gen4]