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Visitor
Visitor
6,907 Views
Registered: ‎10-07-2008

how to make x16 PCIe end point?

I am working on a project that requires about 4GB/s.  I would like to use a PCIe x16 slot.  The Vertex 5 FX200T has 4 PCIe End points. Can 2 End points be combined to utilize 1 x16 slot on a PC motherboard?
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Xilinx Employee
Xilinx Employee
6,876 Views
Registered: ‎08-01-2007

Re: how to make x16 PCIe end point?

Hello,

 

You cannot directly connect more than 1 of the PCIe endpoints on the Virtex-5 FXT to the same x16 slot on the PC motherboard.  Each of the endpoints has its own Transaction and Data Link layers, so they are distinct entities.  So, you would need some type of PCIe switch to consolidate the multiple endpoints into one x16 link.

 

-Kyle 

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Xilinx Employee
Xilinx Employee
6,873 Views
Registered: ‎08-01-2007

Re: how to make x16 PCIe end point?

One other thing--there are some newer motherboards/chipsets out there that have a new feature to split a x16 slot into two x8s on the same slot, etc.  You may want to look around for something like this as well.  That would get rid of the need for a separate switch.

 

-Kyle 

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Contributor
Contributor
4,728 Views
Registered: ‎02-19-2009

Re: how to make x16 PCIe end point?

Do you know of any motherboards that have split x16 slots. Can you please point me to one.

 

-Karthick

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Observer
Observer
4,418 Views
Registered: ‎11-02-2009

Re: how to make x16 PCIe end point?

Hi,

 

I'm also going after x16 PCIe.  Do you have any update?

 

Thanks,

K.

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