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Thread: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!




  1. #11
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    ok now i understand the limitation of p55 that not all the devices will work at the same bandwdith so my queistion is if i replace it with x58 chipset with sata "6gb" and usb3 does the pci will work at full x16 with usb3 and sata6b enabled?????
    Last edited by gasan; 12-31-2010 at 04:58 PM.

  2. #12
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    yes,but you wont see any difference with the gpu at 8x instead of 16x so is it worth it?
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  3. #13
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    asus boards are special for a few different reasons. The first is that it supports both S-ATA 3.0 and USB 3.0, and with the PLX chip, it means that the primary graphics card will still run at PCI-E 16x. this is one thing ASUS has over Gigabyte, and it looks good on them.

  4. #14
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    While this is true, 99.9% of people really don't care about full 16x bandwith and so they shouldn't. If you're running a dual GPU card then it's a nice thing to have in that you might see a couple of extre FPS at 1600p. Other than that it's currently not needed.

    Take a P35 chipset board for example. You will get perfect performance with the latest HD6970 or GTX 580. However the P35 chipset onlt supports PCIe 1.1, which is half the total throughput of 2.0, therefore it's 16x lanes are the same as 8 PCIe 2.0 lanes.

    I'm not disbeleiveing anyone, but it is 99% likely that any issues experienced using 8x were compatibility issues or bugs. For example using the secondary slot on a board rather than the primary could well lead to issues. The only other explanation would be with a graphics card that has insufficient framebuffer (VRAM) and needs to swap textures from VRAM to main RAM and visa versa would have an advantage with 16x 2.0 lanes. However even then that would not be ideal and performance would probably suffer.

    In general having 16x 2.0 for a single card is one of those unshakable myths. The same kind of thing as people who insist on using two SLI or Crossfire bridges in dual card setups etc.

    Those links to HardOCP are a great source of info. I've linked to some of them myself in the past. It's always useful when people can see for themselves exactly what goes on with lower than maximum speeds.
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