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Altera_Forum
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10 years ago

PCIe Force Gen1 Link

I've built a design around a Stratix V and the Avalon-ST Hard IP Core. The device is designed for Gen3x8 which is working fine. I now want to connect the design to a laptop via a Gen1x1 Express...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

If the core is Gen3x8, the endpoint card should be no problem connect with x1 lane ExpressCard Slot, the rest of 7 floating and unused channels won't cause link-up issue, during enumeration the rootport and endpoint will negotiate to the lowest and common lane/s, which is x1.