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Thread: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.




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    Default ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    CPU: AMD FX 8320
    MOBO: ASRock Fatil1ty 990FX Killer v.1
    RAM: GSkill Ripjaws 4GBx2 (1600)
    HD: Kingston SSD 120GB
    GPU: XFX Radeon HD 5850
    PSU: Corsair RM750
    OS: Windows 7 Pro

    I recently upgraded my motherboard and processor and am having some problems.
    Problem 1: FREEZING
    * Computer is freezing. No blue screen it just freezes.
    * It first froze while attempting to do my 1st windows 7 update.
    * Computer freezes even if not under load even while idle.
    * Computer freezes even when its not hot.
    * Prime 95 does not show a fail during stress testing when it froze.

    Problem 2: THROTTLING
    * Computer is running at stock speeds with stock cooler.
    * Using Prime 95 the computer throttles down
    * CPU Temp is around 52 C when this happens.
    * CPU Temp via core temp does not go above 53 C.


    I guess what I am mostly wondering is what is making this thing throttle and freeze? Did I get a bad CPU or MOBO?

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    The freezing could be an SSD issue given your description of what happens. What model of Kingston SSD are you using?

    Throttling could be a CPU power saving feature, do you have AMD's Cool 'n' Quiet Technology enabled in the BIOS?

    Do you have AMD Overdrive installed? That seems to be the best utility to use to monitor the temps of AMD processors like yours. Monitoring temps of AMD processors like yours seems to be problematic, Google on "amd fx 8320 max temp" and check some of the hits, like those in the AMD forum.

    The AMD specs for your CPU list max temperature as.... ? AMD Processors for Desktops: AMD Phenom

    The best I could find is 61C max.

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    Thank you for the reply.


    The freezing could be an SSD issue given your description of what happens. What model of Kingston SSD are you using?
    Kingston SSDNow V300 Series 120GB
    Figures it has not freezed yet since I disabled a bunch of stuff in the bios.


    Throttling could be a CPU power saving feature, do you have AMD's Cool 'n' Quiet Technology enabled in the BIOS?
    I did finally disable that, and also lowered the voltage down to 1.1750 volts. It kept wanting to run at 1.4-1.5 volts which is why I think it was getting so hot. Not sure why the darn voltage was so high as default.

    Do you have AMD Overdrive installed?
    No I do not but I will make a note to do that sometime tomorrow evening!

    The best I could find is 61C max.
    That is what I've seen as well. I would much rather be safe than sorry.



    SO my next thing here is: In my motherboard bios, I saw nothing as far as thermal shutdown. I would definitely want to enable that before I do any overnight stress testing but see it nowhere. Never had a motherboard where I could not adjust the temp for thermal shut down. Its always good in case of a fan failure or the northbridge gets too hot, which is my main concern.

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    BIOS > Advanced > CPU Configuration - "CPU Thermal Throttle"
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    Quote Originally Posted by YeahPete View Post
    Thank you for the reply.

    Kingston SSDNow V300 Series 120GB
    Figures it has not freezed yet since I disabled a bunch of stuff in the bios.
    If you have Aggressive SATA Link Power Management in the SATA config, disable that.

    Quote Originally Posted by YeahPete View Post
    I did finally disable that, and also lowered the voltage down to 1.1750 volts. It kept wanting to run at 1.4-1.5 volts which is why I think it was getting so hot. Not sure why the darn voltage was so high as default.
    Cool n Quiet is not necessarily a bad thing. It lowers the CPU speed under low load conditions, which reduces heat and power consumption. It is not throttling due to a problem, just a power saving option. If CnQ causes excessively high voltages (not an AMD guy) then that's not good. If you were getting the 1.5V on an Auto CPU voltage setting, they normally are way to high. Best to tweak the CPU voltage yourself, but that can take some time.

    Quote Originally Posted by YeahPete View Post
    No I do not but I will make a note to do that sometime tomorrow evening!


    That is what I've seen as well. I would much rather be safe than sorry.



    SO my next thing here is: In my motherboard bios, I saw nothing as far as thermal shutdown. I would definitely want to enable that before I do any overnight stress testing but see it nowhere. Never had a motherboard where I could not adjust the temp for thermal shut down. Its always good in case of a fan failure or the northbridge gets too hot, which is my main concern.
    As wardog noted, that is where that option should be. It may not have the configurations you have had in the past, some boards have thermal throttling either on or off, and no shutdown either.

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    So... I believe solved.

    I went back and enabled the CPU core throttling feature. That is really your only defense against a CPU fan failure if leave the computer running while you are away so its not worth it to turn it off.

    I am stress testing w/ prime95 @ the stock 3.5Ghz right now w/ stock cooler. Max temp shows 38 C. I don't believe it will do above 40 C.
    CPU voltage is set at 1.1750V. I did stress testing @ this voltage last night and this morning w/ no errors.

    I am going to have to read about AMD overdrive a bit. I browsed through it this morning before work. lots of options there.

    All-in-all I was the auto set voltages that were causing the throttling. Its was just WAYYYY overvolting it, causing it to overheat, then throttle down.


    SO.... more questions now :P
    RAM voltage is at 1.5 V while set to (auto) - I am thinking this is too much as well anyone know what a good voltage for DDR3 1600?

    Northbridge voltage is set to auto as well, and I am wondering if I should set this low as well for a cooler NB temp?

    While I am tying this I am stress testing. It seems to not be logging all my keystrokes but shows error in the stress test. Is this normal?

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    RAM voltage varies from model to model of RAM, there is no one "good" voltage. Check the specs for your memory.

    You can change any voltage available but if it is to little for a component, expect problems.

    So you are stress testing (with what?) while on the Internet, posting in forums, and you are surprised some keystrokes are missing?

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    RAM voltage varies from model to model of RAM, there is no one "good" voltage. Check the specs for your memory.
    Was wondering if anyone knew a good starting point because I hate restarting the computer a million times to check each voltage level.

    So you are stress testing (with what?) while on the Internet, posting in forums, and you are surprised some keystrokes are missing
    Sorry I am new to all this which is why I was asking if its normal. I would expect a delay but did not think it would all together miss the keystrokes.


    Thanks for all the help guys! Now that I know all the voltages are too high I'll be messing around this weekend and see how LOW I can go with all the voltages without it skipping a beat in the stress testing. I'll post the results once I get through all of em. I have been running the CPU @ 1.1750V and I ran outta time yesterday w/ the memory at 1.280 V. FAR down from the 1.5V when set to auto.

    Lowering the CPU voltage has decreased my Temp by 20C and does not go above 42C at 100% load at stock speeds. Let alone save a ton on my power bill. I kinda want to buy a voltage meter to see the difference in power draw and compare this to the i5 47xx I built for my dad. I know AMD's are notorious for being power hungry but if one just decreases the voltage I am hoping it would be on par with Intel.

    Another experiment for another day!

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    So... After lowering the memory voltage. When I check the voltage in CPU-Z it still says 1.5V? Not sure why that is?

    Also not sure where I can check the NorthBridge voltage to make sure its sending the voltage I want
    Last edited by YeahPete; 02-01-2014 at 07:09 PM.

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    Default Re: ASRock Fatil1ty 990FX Killer freeze ups / throttling issues at stock speeds.

    CPU-z reads the SPD programming on each stick. It does not query the boards chip and report actual voltage applied.

    You're best to use the native F-Stream util or HWiNFO.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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