DS160PR410: DS160PR410 – PCIe TX Lane Mapping Confirmation

Part Number: DS160PR410

Dear TI Support Team,

We are using the DS160PR410RNQT as a PCIe x4 redriver between a host processor and a PCIe edge connector.

To avoid PCB trace crossovers, we have remapped only the TX channels through the redriver:

  • TX0 → RX3 → TX3 → PCIe TX0
  • TX1 → RX2 → TX2 → PCIe TX1
  • TX2 → RX1 → TX1 → PCIe TX2
  • TX3 → RX0 → TX0 → PCIe TX3

The RX path remains straight-through (RX0→RX0, RX1→RX1, etc.).

The host and PCIe connector lane assignments remain unchanged; only the DS160PR410 channel mapping is reversed.

Could you please confirm whether this channel remapping is acceptable for PCIe operation?

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