The system pelink command displays or verifies PCIExpress (PCIe) link settings or resets a port. The command lists the PCIe root ports in the host system. The list displays the actual and maximum link widths and speeds.
The test option compares the maximum width and possible speed, and the actual width and speed for each root port. If a mismatch is detected, the test fails.
udiag system pelink [ test | train <port_number> | -v ]
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BSP_ONLY; ONE_INSTANCE_ONLY