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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> |
To: | geda-user AT delorie DOT com |
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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
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