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




  1. #1
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    Default trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    hello guys ,,,,,,,,, i have a problem with detecting full x16 graphic card , it detects x8 in gpuz
    can you guys help me



    p55a-ud3
    graphic card gigabyte 460 gtx gv-460oc-1gi
    windows 7 ultimate 64bit with gsata port6
    western digitl 1 terabyte black installed as sata 6 with ide configuraton

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

    If you have USB3 and SATA6G both set to full speed/Turbo mode then you'll only get 8x PCIe lanes for your primary PCIe16x slot.

    This is normal and is a limitation of the P55 chipset.

    Having 8x pcie lanes for a single GPU card is fine, it can't even use the bandwidth of ~6-7 lanes, let alone 8. You aren't missing out on any performance whatsoever.
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  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    If you want it at x16, set USB3/SATA 6Gb/s to Gen 2 mode.

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

    it disapear x16 first gen 1.1 when i disable usb 3 and sata 3



    help please ???????????????????????????????????????

  5. #5
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    my quistion if i replace this peace of crap with chipset x58 it will work at x16+usb3+sata 6gb??????????????????????????????????????????????? ???????????????????????????

  6. #6
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    As already explained .... you will not get more performance with x16 over x8. There really is no problem.
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  7. #7
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    I think your problem will be solved with more exclamation and question marks, also 111 does wonder, just like plx and plz.

  8. #8
    KayossZero's Avatar
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    Introduction - SLI & CFX PCIe Bandwidth Perf. - x16/x16 vs. x16/x8 | [H]ard|OCP

    GTX 480 SLI x16/x16 vs. x4/x4 - GTX 480 SLI PCIe Bandwidth Perf. - x16/x16 vs. x4/x4 | [H]ard|OCP

    You can find other articles but those two are excellent. Unless you're running ridiculous resolutions with a ridiculously expensive setup 16x/8x 8x/8x & even 4x/4x are all going to give you equivalent performance.

  9. #9
    Lsdmeasap's Avatar
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  10. #10
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    Default Re: trouble with my new computer !!!!!!!!!!!!!!!!!!!!!!

    No matter how dumb the original poster is, I must share my experiences with x8 vs x16 PCI-e bandwith. I play Lord of the rings online, which is graphically pretty intensive game (although probably not even as much as stuff like... well, what do people use to measure this? Crysis it used to be in past, among others). About 2 years ago I was playing around with some extra cards in my PC, and for weeks I was cluless why is the gameplay everything but smooth. I would run around the game world and every step my character made, the whole image would freeze for a fragment of a second. It was so annoying. Well, after some time I realized I had my graphic card in x8 slot (or rather the 2nd x16 slot was operating in x8 mode), effectively reducing the bandwith to half. After plugging the card in the "proper" slot all of the lag described above was gone. I had the same FPS, but the image was moving perfectly smoothly.
    What I wanted to say with this wall of text is that people often underestimate PCI-e x16's usefulness...

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