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Altera_Forum
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9 years ago

a problem of PCIe on Cyclone V GT Dev Kit

Hello, I'm trying to use the PCI Express Avalon-ST DMA reference design (https://www.altera.com.cn/products/reference-designs/all-reference-designs/interface/ref-pciexpress-hp.html (https://www...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I am not sure myself - I know that PCIe x16 is supposed to be backward compatible with x4 (again, I assume there's nothing to change in the BIOS/UEFI). Sorry, I don't work on PCIe related stuff so I don't really have idea on this :(