Will my motherboard support this?

You can run a PCI-E 2.0 card on that board but it will revert back to PCI-E 1.0. The only boards that nativley support 2.0 are the X38, 780I and the new X48 when it comes out.
 
That's a thread not an article seen there from the forum they have. A couple of blogs with reader comments are seen at the links here.

http://www.dailytech.com/PCIe+20+Ratified/article5718.htm

http://www.engadget.com/2007/01/17/pci-express-goes-2-0-transfer-rate-doubles/

Some information on the actual specifications with an additional pair of links on that can be seen at http://www.pcisig.com/specifications/pciexpress/base2/ Here's another one on the P35 as follows.

P35 supports PCI-Express 2.0

Author: Tim Smalley
Published: 6th June 2007

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Intel's P35 chipset unexpectedly supports PCI-Express 2.0.

It's fair to say that there has been quite a bit of secrecy surrounding Intel's 3-series chipsets, with a number of hidden features being unveiled over time.

Today, another hidden gem was uncovered, as we learned that the P35 chipset actually already supports the PCI-Express 2.0 specification.

Previously, we were under the impression that Intel's new mainstream chipset only supported previous versions of the specification, and we were going to have to wait for Intel's X38 chipset before we saw the second generation of PCI-Express.

To complicate matters even further, last week we were given information that suggested a rough release schedule for AMD's RD790 chipset, which would have come to market before Intel's X38 chipset.

Thus, it looks like there was a fight kicking up for being first to market with a PCI-Express 2.0 enabled chipset, but with the news that P35 does already support the new PCIe standard, it looks like that fight is over before it really got started.

Maybe this latest hidden feature in the 3-series chipsets was a case of Intel toying with AMD? Of course, as a high end chipset, AMD's RD790 isn't going to compete with Intel's mainstream chipsets. Thus, true competition from Intel on the multi-GPU front won't come until X38 launches in September. Even then though, X38 won't support quad-CrossFire like RD790 does... or maybe it will? http://www.bit-tech.net/news/2007/06/06/p35_supports_pcie_2/1
 
In June 2007 Intel released the specification of the P35 chipset which does not support PCIe 2.0 only PCIe 1.1. Some people may be confused by the P35 block diagram which states the Intel P35 has a PCIe x16 graphics link (8 GB/s) and 6 PCIe x1 links (500 MB/s each), for simple verification one can view the P965 block diagram which shows the same number of lanes and bandwidth but was released before PCIe 2.0 was finalized. Intel's first PCIe 2.0 capable chipset is the X38 and boards are already shipping from various vendors

But a PCIe 2.0 card is backward compatible

http://techreport.com/articles.x/13351

Thats not saying that the P35 is not capable of PCIe 2.0 but if Intel will let the P35 do PCIe 2.0 with a Bios update or a board revision it would be shooting in the foot there own new X38.
 
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Is there any performance increase from PCI-E 1.0 to 2.0?
As colt said above that board does not have PCIe 2.0, but PCIe 2.0 cards are backward compatible, as far as speed even top end cards that are out now there is no noticable difference between the two. PCIe 2.0 is the next generation so when the next generation and faster cards come out then yes they will be able to use the extra bandwidth.
 
As colt said above that board does not have PCIe 2.0, but PCIe 2.0 cards are backward compatible, as far as speed even top end cards that are out now there is no noticable difference between the two. PCIe 2.0 is the next generation so when the next generation and faster cards come out then yes they will be able to use the extra bandwidth.

Ok so I would be able to buy a PCI-E 2.0 card and put it in my motherboard. So there is a chance that my motherboard might support PCI-E 2.0 with flashing the BIOS.
 
You may see a bios update come along sometime that will offer support for the 2.0 while not seeing it's full capability realized. That would be left to even newer boards seeing the revised or newer chipsets there.

The article above points to seeing that there is some degree of support found with P35. What isn't explained there however is that this would be limited to some degree.
 
Ok so I would be able to buy a PCI-E 2.0 card and put it in my motherboard. So there is a chance that my motherboard might support PCI-E 2.0 with flashing the BIOS.

Yes it will run just fine on that board, as far as a bios update or a new board rev. for 2.0 that would be up to the board maker and if Intel would allow it.
 
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