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PCIe lane reversal question

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elec4fun

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Hello,

I post my question here because I don't know which section of the forum is the more appropriate....

Do you know if lane reversal can work on an negaciated link widht. Let's make it more clear:

pcie line1.png

Is this configuration works ?

How about this one:

pcie line.png

I would say that the second one is invalid. Could you confirm that a link formed with
several pairs has to start with lane 0 ?

Regards,
Franck.
 

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