PCIe x8 with Arria II GX and Qsys

--- Quote Start ---

I'm trying to implement a design using an Arria II GX device within Qsys. Although the device handbook clearly states that the gen1 x8 option is available (pages 1-8, 1-9, 1-50, etc.), Qsys throws an error: "Selected device family does not support X8". What's going on?

--- Quote End ---

Look at the table on p1-7, under "Avalon-MM Interface using Qsys Design Flow". Arria II GX gen1 x8 is not supported.

Cheers,

Dave

--- Quote Start ---

Thank you. Looks like I'll write the code myself and hope that it works. You're quoting from IP Compiler for PCI Express User Guide page 1-7.

--- Quote End ---

Yes, I was quoting from the PCIe User Guide.

Do you need x8 right at this instant in time? Quartus 12.0 is supposed to be out shortly (whatever that means :) ). Perhaps the x8 mode will be available with that release. It might be worth waiting.

Cheers,

Dave