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Thread: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings




  1. #121
    Join Date
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    Unfortunately I had no time to even start my computer in the last 2 weeks, but on this weekend I hope I can share something useful here.

    Regarding the memory voltage: when I had an AM2 system I had to increased the memory voltage from 1.8V to 1.95V to avoid system crashes. The mobo was an Abit KN9 Ultra with several processors and Geil Value DDR2-800 memory. Later on my previous MSI K9A2 Platinum board I had to increase the memory voltage as well with the same memory.

  2. #122
    Join Date
    Aug 2013
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    My vendor replaced CPU and Mainboard and for now it seems to be stable.
    System works for about 8 hours, 3 of them testing with Prime95 without any errors.
    RAM is working at 1.5V 9-9-24, anything else is default :)

  3. #123
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    Last weekend I tested my machine. I was able to play Starcraft II with enabled onboard audio and watch movie via HDMI, but the config had trouble at every cold-boot.What I did: I increased RAM voltage to 1,75V and disabled 2 modules or enabled only 1 core/module. Somehow with every setting my PC could freeze at cold-boot but after restarting the machine worked well until I turned it off. That means machine worked well in the evening, then I turned it on next morning and it freezed at first boot. I intend to go for an MSI 990FXA-GD65 motherboard with 8+2 power phases, because the things above prove me that 4+1 phase of ASRock 970 Extreme 3 is just too weak for an 8-core (4-module) AMD FX CPU. Maybe it is okay for a 4-core (2-module) FX or a Phenom and below. For 6-core FX? I don't know but if the Extreme 3-4 can not work stable with that CPU I would choose a more powerful board.
    Last edited by Yutani; 10-21-2013 at 06:09 PM.

  4. #124
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    I've disappeared for weeks but I am back. In the last 4 weeks I enriched with some experiences.

    First I've bought an Asus M5A99FX Pro 2.0 board instead of the MSI mentioned above. There were 2 reasons: Asus has more powerful power phase design and has internal USB3.0 connector for built-in PC case USB3.0 connection.
    So, I assembled the PC with the new mobo and I bought a new case for it (Cooler Master K380). First it was okay, I managed the Windows 7 x64 install. Then I tried to play with Starcraft 2 and the machine freezed. Later I bought a different pair of RAM (Kingston HyperX) what is in the support list. Before I could try it the machine died, I had no chance to get to the boot.
    Then I bought a new PSU (FSP Raider 550W), but still no boot. Then I RMA'd the mobo and switced back to the Asrock 970 Extreme 3 r1.0 until the RMA is in progress. I tried a few thing: Athlon II X4 in the Asrock (no way 'coz single channel all the time); FX-8350 with the used-so-far Chieftec CGT-500W (no way, freezing even in BIOS); mixed Kingston and Geil RAM config (no way). Finally I put the FSP PSU in the rig and left the Kingston RAM in only (with the FX). And voilá, it works, at least the few times when I was at home and I tried it but it looks stable.

    The conclusion so far: I think the 1.5 years old Chieftec CTG-500W PSU was the problem and it killed the Asus mobo. Although it works it has some problems and I will RMA it as well. The Chieftec worked well with the AM2+ Athlon II X4 config but the FX-8350 was too much for the PSU. I talked to the AIDA64's developer, he told me that in many cases the PSU is the root of the problems. For example the Haswell requires also a new PSU.

  5. #125
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    Something new: it seems ASRock Extreme 3 R1.0 and Extreme 4 mainboards lost their FX-8320/8350 support (check their CPU support lists).

    ASRock Extreme 3 R2.0 still supports FX-8350.

  6. #126
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    I had been able to run my FX-8350 with default settings in the ASRock 970 Extreme r1.0 mobo for weeks without any problem after I switched to an other PSU. I had no problems, no hang-ups, every software ran fine.

    In the meantime I discovered that my Sapphire HD 7870 GE has the Black Screen issue, so I RMA'd it. All in all I had to deal with two problems and they were not motherboard related issues at all (PSU issue and VGA issue), but first I blamed the mobo because it was my first thought. And I was wrong.

    So thank you ASRock, at the end it cleared out that the 970 Extreme 3 r1.0 is a cheap, but good motherboard.

  7. #127
    radw is offline Junior Member
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    @Yutani : I'm glad you've managed to deal with your problems. My Asrock 970 PRO3 R1.0 was sent to service and they said it was faulty so they gave me Asrock 970 Extreme 3 R2.0 which they've tested and had problems. Ok, next they gave a full refund and I've bought Asrock 970 Extreme 3 from another place... Damn it, so many things to do for a motherboard... This two from Asrock, 970 Extreme 3 and PRO3 weren't so reliable that's why R2.0 appeared that quick.

  8. #128
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    Ehh, so you had quality problems with the mobos...

    I stopped using the ASRock mobo, I'm gonna sell it because I got my Asus M5A99FX Pro 2.0 back from RMA and I've been already using it in my rig for a week.
    Last edited by Yutani; 01-17-2014 at 11:14 PM.

  9. #129
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    I am sure this is been mentioned before. But I just spent the last few months fighting this board. It was routinely unstablewhen under full load. Even tried changing the cooler. Basically ran at 3.8ghz assuming cooler issues and got fed up. Chip would clock up with turbo but routinely throttle down. Put water cooling on it in a mid tower when I noticed it was up to 70c plus. Once the water cooler was on it started throttling quicker and more often. After some testing with laser thermometer I noticed the vrm hitting 180 plus and the radiator was directly over them. I took two heat sink fans mounted brackets from the back of the case you remove to install cards and hung a fan diagonal to the vrm and radiator. Put another above them. The board ran a 4.7GHZ VERY STABLE 1 hour 100% load.

    600 w power supply
    Radeon 6950
    H80 cooler
    2x capture cards
    6x 120 fans
    2x 80 fans

    Sorry if hard to follow hate mobile typing lol. Also with hw monitor I was getting false temp reading by over 10c compared to a stock tuner. Basically the vrm is not capable of supporting the 8350 under heavy loads even stock. I personally believe the 970 manufacturers that list 8350 full support that throttle down to the 1.5ghz under load should have to replace the boards or offer to ship a cooling fix. Forced down clocking on stock speeds is not full support. It should claim capable but not recommended. A stock isn't the only one with this issue the Asrock replaced a lower end msi board the stated fully support also.

  10. #130
    Join Date
    Mar 2014
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    Perth, Western Australia, Australia
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    Default Re: ASRock 970 Extreme4 FX-8350 Unstable with Stock Settings

    Wow.... ok after reading up to about page 6-7 I think I may have also solved my unstable 8150 970 extreme4 stock bios settings build... I will try updating my bios like the others did and hopefully bring some stability to my build.

    Will continue reading this forum when I get home.. its a bit tedious on my phone.

    Edit: updating to the "beta" bios worked. I now have a stable stock processor. Thanks :)
    Last edited by Sean Mcm; 03-26-2014 at 07:39 AM.

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