00:1b.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #21 (rev f0) (prog-if 00 [Normal decode])
LnkCap: Port #21, Speed 8GT/s, Width x4, ASPM L0s L1, Exit Latency L0s <1us, L1 <4us
LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk-
00:1c.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #5 (rev f0) (prog-if 00 [Normal decode])
LnkCap: Port #5, Speed 8GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <1us, L1 <4us
LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk-
00:1c.5 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #6 (rev f0) (prog-if 00 [Normal decode])
LnkCap: Port #6, Speed 8GT/s, Width x1, ASPM L0s L1, Exit Latency L0s unlimited, L1 <16us
LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk-
00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #9 (rev f0) (prog-if 00 [Normal decode])
LnkCap: Port #9, Speed 8GT/s, Width x4, ASPM L0s L1, Exit Latency L0s <1us, L1 <4us
LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk-
03:00.0 PCI bridge: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge (rev 04) (prog-if 00 [Normal decode])
LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <2us, L1 <2us
LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk-