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Thread: Fatal1ty 990FX Killer




  1. #11
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    Default Re: Fatal1ty 990FX Killer

    Glad to know this for future reference. Didn't know it was there and I thought I called myself checking, but I guess not. I only blame myself. I only will use ASRock anyways.

  2. #12
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    Default Re: Fatal1ty 990FX Killer

    I got a cheap processor that is on the cpu list and it also did not work. So I guess it's the motherboard. Shame!! I was hoping.

    Thanks for all your help.

  3. #13
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    parsec is offline Senior Member
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    Default Re: Fatal1ty 990FX Killer

    Quote Originally Posted by BiTs View Post
    I got a cheap processor that is on the cpu list and it also did not work. So I guess it's the motherboard. Shame!! I was hoping.

    Thanks for all your help.
    Sorry to hear that about your 990FX Killer board.

    While reading the specifications on the board's web page is what I always do (the overview is almost all marketing talk), you normally wouldn't think that the second best 990FX board that ASRock makes cannot handle a top of the line, compatible AMD processor. Your attitude about what happened is mature and responsible, but I'm bothered by a few things that are not your responsibility:

    * The FX-9370 was released just under a year before the Fatal1ty 990FX Killer board was available. The needs of this CPU were known when this board was designed.

    * All of my ASRock-Intel based boards have 8 to 12 phase VRM designs for the CPU power. The actual VRM parts used may vary, but the top of the line Intel CPUs used with these boards when over clocked and stress tested, use one half (or less) the power the FX-9370 does. The FX-8350 is rated at 125W, which is only its TDP, the actual power used will be greater. My i5-4670K at 4.0GHz is using about 75-80W of power while stress testing, and has a TDP of 84W.

    My point is, it seems IMO that the VRM power stage for the CPU on many AMD boards is a bit under-specified for its potential usage.

    * While the FX-9370 is not in the compatibility list of the Fatal1ty 990FX Killer, you said you ran it at 4.4GHz. That is the stock, non-OC speed. If an otherwise compatible processor cannot be used in a mother board at its stock clock rate, that fact should be highlighted far better than simply not including it in a CPU compatibility list, which may not be up to date, IMO. The irony is the one ASRock board that can handle this CPU is the only one that the compatibility requirements for a FX-9370 and FX-9590.

    * The system requirements to support a FX-9370 or FX-9590 do list a compatible board, the 990FX Extreme9. But nowhere in the system requirements do we see what is it about this board that makes it compatible:

    Fatal1ty 990FX Killer-amd-5ghz-specs-png

    The only significant difference between the 990FX Extreme9 and the Fatal1ty 990FX Killer is the 12 + 2 vs the 8 + 2 VRM design, and the dual stack MOSFET VRM chips used in the 990FX Extreme9. Given the table above, the Fatal1ty 990FX Killer and the rest of your system meet the requirements. The main thing AMD worries about is the CPU cooler, which is only part of the story.

    I must say that other mother board manufactures seem to be worse about this situation than ASRock. ASUS has the FX-9370 and FX-9590 listed as compatible (in the CPU QVL) with two of their top 990 chipset boards, that are rated for 140W processors in the specifications.

  4. #14
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    Default Re: Fatal1ty 990FX Killer

    Quote Originally Posted by BiTs View Post
    I have a Fatal1ty 990FX Killer board. It worked, but now I can't get video. I thought it was my video card but it works in my other computer.
    I do not get the boot screen or anything. Just a blank screen. It does not beep when I turn it on. There is no display for any codes to help you out. I took it out of my case and hooked it up barebone. 1 memory stick, video card, and just the power cables (2) only. Still no video. The heat sink works, the lan port lights up when I plug in the cable. The video card was on the top pci-e slot, changed slots and still no video. I don't smell the processor burning so I know it's not the processor.

    Just wondering what it could be. If anyone may know please let me know.

    Thx...

    Fatal1ty 990FX Killer
    GSkills 8GB Memory ( Have 4 sticks of 8GB )
    HIS Radeon HD5770 Video Card
    Reason the ASROCK 990FX Killer doesn't work with the 9590.
    Is because it did used to work until ASRock released BIOS 1.4 which blocked AMD FX-9### support.

    Flash your BIOS back to an earlier version and it will work flawlessly.

    Running a 9590 @ 4.7GH (stock)
    Is no different to overclocking an 8350 at 4.7GHZ (my 8350 does it at 1.425v (or 1.475)v with the +50mv core increase enabled in BIOS)

    I've ran with that overclock daily for3 years without issue. (albeit with power saving features enabled in BIOS -- Which are obviously only relevant at idle).

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