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Date: Mon, 7 Nov 2011 20:32:28 +0000
Message-ID: <CANqhZFyFNn_sk0adCgCc+Uhfp=wjPuYwB9boMUSRMaHQjTY0Zg@mail.gmail.com>
Subject: Re: [geda-user] PCIe card?
From: Gareth Edwards <gareth AT edwardsfamily DOT org DOT uk>
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Hi Peter,

On 7 November 2011 19:04, Peter Clifton <pcjc2 AT cam DOT ac DOT uk> wrote:
> Has anyone here designed a PCI Express card (Using gEDA / PCB or
> otherwise?)
>
> I see there are various options, such as FPGA with internal PHY /
> SerDes, FPGA + external PHY / SerDes, PCIe <-> local bus bridge (e.g.
> PLX's PEX 8311 chip).
>
> I'm mainly curious as to what others have tried, and how tricky the
> process was. I'm looking at doing one, and am starting to think I might
> need to code support for differential traces in PCB ;).

I haven't, but I know plenty of people at work who have and I can try
to find out (but you will get a very FPGA-centric answer to some of
those questions). What generation of PCIe and how many lanes are you
considering?

Cheers
Gareth