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Thread: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY




  1. #1
    scottyr6s is offline Junior Member
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    Default Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    When I install my GPU in the top-most PCI slot (closest to the processor - PCIE2), the computer will not boot, not even to BIOS. The fans turn on and that's it. If I move the GPU down to the next slot (PCIE5), the computer boots up and runs beautifully.

    This is my RMA replacement board. My first board did the exact same thing, which is why I RMA'd it. Am I missing a setting in the BIOS or something? I would really like to be able to run my GPU in the top slot for better airflow.

    GPU = PowerColor AMD Radeon R9 280X OC 3GB
    MOBO = Fatal1ty Z87 Killer
    Last edited by scottyr6s; 08-27-2014 at 11:25 PM.

  2. #2
    Tralfaz is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    This may be a stupid question, but did you select PCI Express as the default GPU, in your BIOS?

    Advanced>North Bridge Configuration>Primary Graphics Adapter>PCI Express

  3. #3
    scottyr6s is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    Quote Originally Posted by Tralfaz View Post
    This may be a stupid question, but did you select PCI Express as the default GPU, in your BIOS?

    Advanced>North Bridge Configuration>Primary Graphics Adapter>PCI Express
    Thanks for the quick reply. Yes I did, unfortunately that did not fix it.

  4. #4
    scottyr6s is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    This is odd because the manual states that if running 1 video card, PCIE2 must be used, however I can only get 1 video card to work if I put it in PCIE5. I can't try PCIE7 because it's too close to the power supply, but these two slots are only to be used if running crossfire or sli.

    It also shows that PCIE2 is x16, where PCIE5 is X8 or X4, depending on crossfire config. Does this mean I am losing single card performance as well?

  5. #5
    Tralfaz is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    According to the specs it say: PCIE2/PCIE5/PCIE7: single at x16

    I'd not keep running your single card on lane 5, when lane 2 is the lane you should be using. You paid for lane 2, it should work.

    Do you have another card you can try? I know it works, in other slots, but just exhausting the variables.

  6. #6
    scottyr6s is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    Quote Originally Posted by Tralfaz View Post
    According to the specs it say: PCIE2/PCIE5/PCIE7: single at x16

    I'd not keep running your single card on lane 5, when lane 2 is the lane you should be using. You paid for lane 2, it should work.

    Do you have another card you can try? I know it works, in other slots, but just exhausting the variables.
    I agree, I certainly did pay for a functioning board. I'm scared to go back to another RMA, since this is the 3rd board now (first returned because of this same issue, second arrived damaged, on third now).

    I have another video card I can try this evening. I'll do so and report back.

  7. #7
    scottyr6s is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    Quote Originally Posted by Tralfaz View Post
    According to the specs it say: PCIE2/PCIE5/PCIE7: single at x16

    I'd not keep running your single card on lane 5, when lane 2 is the lane you should be using. You paid for lane 2, it should work.

    Do you have another card you can try? I know it works, in other slots, but just exhausting the variables.
    Ok, so I have some information now.

    I tried out my old AMD HD7850 in PCIE2, and it booted up! I then went into BIOS after reading some information about PCIE Link Speeds. In BIOS, all the PCIE slots are defaulted to "Auto". I change PCIE2 to GEN 1, put my r9 280x in lane 2, and BAM, booted no problem. I then tried again after changing the link speed to GEN 2, and again, right into windows no problem. I then changed it to GEN 3 (which is what my card is), and nothing; black screen and no boot. I then placed the card back in lane 5 after changing the link speed to GEN 3, and it booted up perfectly.

    There is something wrong with lane 2 and GEN 3. Any ideas?

    Thanks

  8. #8
    Tralfaz is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    For curiosity's sake, what CPU are you using? Scratch that... Haswell.
    Last edited by Tralfaz; 08-28-2014 at 07:01 AM. Reason: Blonde moment

  9. #9
    Tralfaz is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    It could be a bug with the new BIOS. It's still relatively new.

  10. #10
    scottyr6s is offline Junior Member
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    Default Re: Fatal1ty Z87 Killer won't boot with GPU in top slot ONLY

    Yes, i7 4770k

    I just called tech support. He said it's not their board, it's my video card and it needs it's firmware updated. I've never updated video card firmware in my life. I don't feel like that's the solution here. It's a relatively new R9 280x. I don't get it.

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