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Overclocking the FX 8350 on a 4+1 powerphase 970a-D3P?

post #1 of 31
Thread Starter 
I've asked this question on LTT but I feel people here are more qualified to help me with this.

So my motherboard is a Gigabyte Ga-970a-D3P It has 4+1 phase VRM. My 8350 with everything at stock runs at 4.1GHz turbo and the voltage fluctuates between 1.416 and 1.428 on HWmonitor even though in the bios it is 1.3750v, I got a Cryorig R1 Ultimate keeping my 8350 cool.

I overclocked it to 4.6GHz at 1.464v stable which I managed to get by setting my voltage to 1.45 in the bios and setting Load line calibration to medium, It's been running like this for just over two days with me playing some fairly intensive games (BF4, Planetside 2, etc)

Now my question is, on a low end motherboard like this, is this safe? Is 1.464v and 4.6GHz too much for a motherboard like this to handle? The guys over at LTT told me that I'm lucky my motherboard isn't dead, so at the moment everything is back to stock again.

EDIT: after adjusting the settings in the bios(cool n' quiet, turbo, etc) the stock clock seems to be 1.4150v
Edited by SubZeroS3 - 10/31/15 at 9:42am
post #2 of 31
The VRM on this board is exactly half the one found on 970A-UD3P and 990FXA-UD3 R5.
It can definitely run all FX-8K CPUs at their default clocks, however I wouldn´t raise the voltage from default levels or adjust load-line with this board.

Most likely you either overheat the VRM or hit OCP limit if you overclock.
Overheating will result in throttling, however OCP will shut down the board immediately.
post #3 of 31
Thread Starter 
Quote:
Originally Posted by The Stilt View Post

The VRM on this board is exactly half the one found on 970A-UD3P and 990FXA-UD3 R5.
It can definitely run all FX-8K CPUs at their default clocks, however I wouldn´t raise the voltage from default levels or adjust load-line with this board.

Most likely you either overheat the VRM or hit OCP limit if you overclock.
Overheating will result in throttling, however OCP will shut down the board immediately.

Well, the thing is, it was running at 4.6GHz just fine, I'm just asking if this is bad for the motherboard running like this 24/7. Is there a way to check VRM temps?
post #4 of 31
Quote:
Originally Posted by SubZeroS3 View Post

Well, the thing is, it was running at 4.6GHz just fine, I'm just asking if this is bad for the motherboard running like this 24/7. Is there a way to check VRM temps?

When you say you were running 4.6Ghz just fine, what program did you use to stress test and for how long?
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post #5 of 31
Quote:
Originally Posted by SubZeroS3 View Post

I've asked this question on LTT but I feel people here are more qualified to help me with this.

So my motherboard is a Gigabyte Ga-970a-D3P It has 4+1 phase VRM. My 8350 with everything at stock runs at 4.1GHz turbo and the voltage fluctuates between 1.416 and 1.428 on HWmonitor even though in the bios it is 1.3750v, I got a Cryorig R1 Ultimate keeping my 8350 cool.

I overclocked it to 4.6GHz at 1.464v stable which I managed to get by setting my voltage to 1.45 in the bios and setting Load line calibration to medium, It's been running like this for just over two days with me playing some fairly intensive games (BF4, Planetside 2, etc)

Now my question is, on a low end motherboard like this, is this safe? Is 1.464v and 4.6GHz too much for a motherboard like this to handle? The guys over at LTT told me that I'm lucky my motherboard isn't dead, so at the moment everything is back to stock again.

EDIT: after adjusting the settings in the bios(cool n' quiet, turbo, etc) the stock clock seems to be 1.4150v

I say you are pushing the board hard at that clock-voltage. Luckily it is a giga and not some asrock but still you are bordering the danger zone.
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post #6 of 31
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Quote:
Originally Posted by Undervolter View Post

When you say you were running 4.6Ghz just fine, what program did you use to stress test and for how long?

I used AIDA64 for one hour, and tested for about 6 hours in CPU intensive games such as GTA V and planetside 2. Temps are fine, cpu temps that is.


Also I found out that there are 2 970-D3P motherboards, not sure what the difference is.

http://www.gigabyte.com/products/product-page.aspx?pid=4642#ov

http://www.gigabyte.com/products/product-page.aspx?pid=5193#ov

mine is the second.
post #7 of 31
Quote:
Originally Posted by SubZeroS3 View Post

I used AIDA64 for one hour, and tested for about 6 hours in CPU intensive games such as GTA V and planetside 2. Temps are fine, cpu temps that is.

I suspected so... Time for real stress test:

http://www.overclock.net/attachments/13202

Run it at "Very High" or "Maximum". It takes about 20 mins. Do you pass? Also keep an eye on temperatures while you run it (use HWMonitor or similar).


Quote:
Also I found out that there are 2 970-D3P motherboards, not sure what the difference is.

http://www.gigabyte.com/products/product-page.aspx?pid=4642#ov

http://www.gigabyte.com/products/product-page.aspx?pid=5193#ov

mine is the second.

Gigabyte does minor changes usually, one has to read the specs. One easy to see is the different audio.
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post #8 of 31
Thread Starter 
Quote:
Originally Posted by Undervolter View Post

I suspected so... Time for real stress test:

http://www.overclock.net/attachments/13202

Run it at "Very High" or "Maximum". It takes about 20 mins. Do you pass? Also keep an eye on temperatures while you run it (use HWMonitor or similar).
Gigabyte does minor changes usually, one has to read the specs. One easy to see is the different audio.

I'm not so concerned about the stability of the overclock, I just don't want my mobo to die, so running an extremely intensive stress test at that high clockspeed and voltage is not on my shortlist.

Also, I'm not sure if this actually does anything or if it's a marketing gimmick but on the front of my box gigabyte advertises "IR digital CPU power design" which is supposed to keep mosfets cool.
http://www.gigabyte.com/MicroSite/336/images/cpu.html
post #9 of 31
Quote:
Originally Posted by SubZeroS3 View Post

I'm not so concerned about the stability of the overclock, I just don't want my mobo to die, so running an extremely intensive stress test at that high clockspeed and voltage is not on my shortlist.

Well, then you are asking a difficult question. At least, i have no answer. You see, the problem is this. Heat kills electronics. Now you may run something moderately stressing and have no consequences. Tomorrow you may run something worse and have problems. Also, unstable overclock, can cause Windows corruption.

This is why overclockers normally stress test, to see what's the worst case scenario and if their overclock is stable. If in the worst case scenario, you see that the motherboard maintains good temps and you don't push too hard motherboards that aren't very beefy, then it's reasonable to think that in less stressful scenarios, you will not have problems on the short term.

4.6 and 1.46v are very high values for 4+1 motherboard. Usually much better motherboards sweat at those levels. So this is why people hesitate to tell you "sure, it's alright". Your case is even more problematic, because you want to overclock, but "on your own way". Meaning, not following the reasoning of the "normal" overclockers.

Personally, since you want to do it your way, i would at the very least, bring clock down to 4.5. Apart this, i can't be of any more help...

Quote:
Also, I'm not sure if this actually does anything or if it's a marketing gimmick but on the front of my box gigabyte advertises "IR digital CPU power design" which is supposed to keep mosfets cool.
http://www.gigabyte.com/MicroSite/336/images/cpu.html

Yeah, this is good to have, but it's not the final solution to overclocking. It's still 4+1 phase. It's just that the controller chip is digital.


Some other may have other ideas/suggestions, but i am not much of an overclocker and i stick to "traditional" overclocking methods. Like Kuivamaa said, luckily you bought Gigabyte and not some more crappy brand.

Good luck.
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post #10 of 31
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Quote:
Originally Posted by Undervolter View Post

Well, then you are asking a difficult question. At least, i have no answer. You see, the problem is this. Heat kills electronics. Now you may run something moderately stressing and have no consequences. Tomorrow you may run something worse and have problems. Also, unstable overclock, can cause Windows corruption.

This is why overclockers normally stress test, to see what's the worst case scenario and if their overclock is stable. If in the worst case scenario, you see that the motherboard maintains good temps and you don't push too hard motherboards that aren't very beefy, then it's reasonable to think that in less stressful scenarios, you will not have problems on the short term.

4.6 and 1.46v are very high values for 4+1 motherboard. Usually much better motherboards sweat at those levels. So this is why people hesitate to tell you "sure, it's alright". Your case is even more problematic, because you want to overclock, but "on your own way". Meaning, not following the reasoning of the "normal" overclockers.

Personally, since you want to do it your way, i would at the very least, bring clock down to 4.5. Apart this, i can't be of any more help...
Yeah, this is good to have, but it's not the final solution to overclocking. It's still 4+1 phase. It's just that the controller chip is digital.


Some other may have other ideas/suggestions, but i am not much of an overclocker and i stick to "traditional" overclocking methods. Like Kuivamaa said, luckily you bought Gigabyte and not some more crappy brand.

Good luck.

Ok thanks for your help, you reckon if I pass the stress test you linked on those clocks then I should be safe running at those clocks? Sorry for being kind of hard to deal with, but the guys over at LTT freaked me out with their "holy **** your motherboard will catch on fire" replies.
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