Unstable FX-8350 overclock

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crisptofuring

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May 10, 2013
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i simply can't get my FX-8350 to overclock property. i'm running it on the Asus M5A99X EVO 2.0 w/ a cooler master gemenii II s254, which should work. I'm not touching the bus speed and only increasing the multiplier, but i can't get past 4.6 GHz (only a .6 GHz overclock) without my computer freezing, crashing, or just shutting down. Any ideas?
 
Solution
usbgtx550
https://www.youtube.com/watch?v=MckeAmnDeTk

I used that video as a guide when I overclocked my 8320 a couple of days ago. My heatsink is a cooler master 212 evo. I was able to reach 4.5ghz. My vcore is 1.3625v, multiplier 20, and bus frequency 225.

When adjusting voltage, you generally want to adjust it with .0125 increments. Also, keep a close eye on your temps. I hit a thermal wall with my socket reaching 71 degrees Celsius and my processor reaching 56 degrees Celsius.

The general recommended limits are 70C for the socket, 62C for the processor.
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crisptofuring

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May 10, 2013
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no, i haven't increased the voltage.... i'm not sure what to increase it to since i've heard that you can fry your CPU from increasing it too much. I read the article thx dish_moose but i don't know what to increase the voltage to. I'm aiming for a 4.8 GHz frequency since i think my cooler can handle that fine
 
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teh_gerbil

teh_gerbil

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Apr 9, 2012
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I can very very much assure you that increasing your voltage by small increments is very safe.

for instance, I'm running 1.5V on a 1.35V CPU!

So increase the voltage by 1 'click' each time, test with P95 for ten minutes, rinse and repeat.

Also please disable your "C1E" <- It'll be in your power options in your BIOS.

This sucker will lower you voltages during periods of low usage, which can make your system unstable.
 
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Drew010

Drew010

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May 11, 2013
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It only does this if you have your voltage set to offset mode though, if you set it to manual then it won't drop. At least on ASUS boards.
 
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Drew010

Drew010

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May 11, 2013
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Yup, I have mine enabled, as well as CnQ and stable as a brick! =] Although brick might not be the best term to use for electronics haha...But anyways Christo, on your board in the advanced UEFI screen if you scroll to the bottom of the screen that has the multiplier, you will see voltages, click on CPU voltage and change to manual, set it to 1.4v and try 4.6Ghz.
 
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usbgtx550

usbgtx550

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May 24, 2011
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https://www.youtube.com/watch?v=MckeAmnDeTk

I used that video as a guide when I overclocked my 8320 a couple of days ago. My heatsink is a cooler master 212 evo. I was able to reach 4.5ghz. My vcore is 1.3625v, multiplier 20, and bus frequency 225.

When adjusting voltage, you generally want to adjust it with .0125 increments. Also, keep a close eye on your temps. I hit a thermal wall with my socket reaching 71 degrees Celsius and my processor reaching 56 degrees Celsius.

The general recommended limits are 70C for the socket, 62C for the processor.
 
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