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Overclocking AMD FX-4130

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January 28, 2014 7:12:03 PM

Hello all. I have finished my first build and I chose the AMD FX-4130 for my CPU. This CPU comes with a clock speed of 3.8 GHz but I have recently overclocked to 4.5 GHz. I have an Enermax ETS-T40 for my cooling solution and 4 case fans for good airflow. At idle I get around 8 degrees celcius. While surfing the web it can go from 14 degrees to 27 at some times. Is this normal/safe. When I game my max temperature I get is 39-42 degrees celcius on Battlefield 3, Left 4 Dead 2, and Counter Strike: GO. On games like Minecraft I'll get aroun d32 degrees celcius. Are these safe temperatures? My voltage in the BIOS is set to 1.4888, should I lower it down a notch? My NB voltage is at 1.2 . Are these temperatures safe and is there anything I should change about my setup? Thanks in advance.

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January 28, 2014 7:22:50 PM

What's prime 95 say?
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January 28, 2014 7:40:18 PM

Thusfar, they sound good.

Like SR-71 Blackbird said, try running a stability test program, like Prime95, which will put your CPU under a full load. Monitor the temperatures and let it run for at least 15 minutes to get an idea of what your maximum heat will be.

It already sounds like you are monitoring the right temperatures, so I think we're good there. How did you set your voltages? (Manually, or automatic?)
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January 28, 2014 7:51:02 PM

I had one with similar settings to yours, your temps look great. 70C is the max temp for that chip, so anything under 60C is good.
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January 28, 2014 7:53:05 PM

Calculatron said:
Thusfar, they sound good.

Like SR-71 Blackbird said, try running a stability test program, like Prime95, which will put your CPU under a full load. Monitor the temperatures and let it run for at least 15 minutes to get an idea of what your maximum heat will be.

It already sounds like you are monitoring the right temperatures, so I think we're good there. How did you set your voltages? (Manually, or automatic?)


I have run Prime95 for an hour and the highest temperature I got was 52 degrees celcius. This was the blend test. From my understanding that is okay right? I manually overclocked my CPU. I tried MSI's Easy OC and the highest clock speed it gave me was 4.01 with a high voltage of 1.55 :/  Is there some changes I need to make in the BIOS?
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January 28, 2014 8:10:55 PM

make sure you set the worker window priority to 9 or 10. then when you run it don't touch the computer at all. IF the priority isn't high and you are passing tests then you probably aren't stable. if you pass 10 hours on prime95 priority 10 (Small FFT's first, then Blend) and pass both? i would say stable. Also play some of the games you have at ultra/max settings because sometimes you can pass 10 hours of prime but a game can still cause a crash. finding "Stability" will be a combination of those things
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January 28, 2014 8:53:59 PM

52C is great for that amount of overclock/voltage. Your maximum CPU Core temperature is 61C. (CPU Socket maximum is 72C, I believe.) So you still have some headroom, if you want to push things further.

1.55 volts is the maximum voltage you can safely put to that thing. Anything above 1.5 is a bit scary, though. A lot of people are a bit wary of anything about 1.45, but it depends on your PSU and, well, it's better safe than sorry.

If you want to attempt getting stability with a lower voltage, if you haven't already, that might be a worth-while endeavor. (You shouldn't have to worry about NB voltages.)

Out of curiosity, which variant of the ETS-T40 do you have? I own the most basic model, the ETS-T40-TB.
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January 28, 2014 9:04:51 PM

Calculatron said:
52C is great for that amount of overclock/voltage. Your maximum CPU Core temperature is 61C. (CPU Socket maximum is 72C, I believe.) So you still have some headroom, if you want to push things further.

1.55 volts is the maximum voltage you can safely put to that thing. Anything above 1.5 is a bit scary, though. A lot of people are a bit wary of anything about 1.45, but it depends on your PSU and, well, it's better safe than sorry.

If you want to attempt getting stability with a lower voltage, if you haven't already, that might be a worth-while endeavor. (You shouldn't have to worry about NB voltages.)

Out of curiosity, which variant of the ETS-T40 do you have? I own the most basic model, the ETS-T40-TB.

I own the basic model just like you, the ETS-T40-TB. How is it holding up for you? Should I be looking for an upgrade soon or should this last me a while. I will start lowing voltage down one notch at a time and test for stability. Thanks for your help.
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January 28, 2014 9:07:02 PM

Beezy said:
make sure you set the worker window priority to 9 or 10. then when you run it don't touch the computer at all. IF the priority isn't high and you are passing tests then you probably aren't stable. if you pass 10 hours on prime95 priority 10 (Small FFT's first, then Blend) and pass both? i would say stable. Also play some of the games you have at ultra/max settings because sometimes you can pass 10 hours of prime but a game can still cause a crash. finding "Stability" will be a combination of those things


Hello Beezy,
I had run prime95 on high priority with nothing else going for 25 minutes until I received an error on the 4th worker. It says FATAL ERROR: Rounding was 0.5, expected less than 0.4.... Would you happen to know what this means? Should I be worried?
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January 28, 2014 9:12:06 PM

probably not enough CPU voltage, or the overclock is simply too high for the chip and motherboard to handle.
you have LLC on auto or enabled? all Spread spectrum options are disabled? c6 state and other power saving features need to be disabled. try bumping the CPU voltage a bit. i prefer to leave VDDA voltage and northboard (cpu/nb) on auto. once you get in to higher overclocks you may need to manually increase VDDA and or cpu/nb voltage..
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January 29, 2014 8:42:55 AM

Nicolas Nellum said:

I own the basic model just like you, the ETS-T40-TB. How is it holding up for you? Should I be looking for an upgrade soon or should this last me a while. I will start lowing voltage down one notch at a time and test for stability. Thanks for your help.


It works fairly well, it's one of the better coolers I have tested thusfar. It should be fine for a while; it's a good investment.

Just for funsies, here's a general overclocking guide video: https://www.youtube.com/watch?v=MckeAmnDeTk
(Just stick to Multiplier-only overclocking.)

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