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fx8320 multiplier problem

post #1 of 23
Thread Starter 
Today i got my 8320, and it works great and all. But i wanted to oc it. On my 4170 i had upped the fsb by about 5 and the multiplier by 1. That worked nice enough for the time. But now with the 8320 i cant get it to react to multiplier changes i make in my bios. I have tryed multiplier 18-20 and nothing seems to work. It just keeps max multiplier at 17.5 wich is stock i think.

I use a asrock 990fx extreme 3 and my cooler is a corsair h70. So i was hoping to get it close to or just above 4ghz with this setup. But if the multiplier wont go up then it might be a bit hard.

So anybody here that can help me out and tell me what im doing wrong?
post #2 of 23
Which BIOS versiĆ³n has your mobo? For your processor I see in the ASRock web page it must be P1.50 at least: http://www.asrock.com/mb/AMD/990FX%20Extreme3/?cat=CPU

After installed the FX-8350 did you do a ClearCMOS?? If you have not already done, do it...
Edited by jacqlittle - 3/2/16 at 5:37pm
post #3 of 23
Thread Starter 
Did a cmos reset @ install. And bios is the newest because i had some keyboard issues and the supplier tought it might be because of older bios version.(turned out the keyboard was broken)
post #4 of 23
what psu do you have?

how much volts are you running?

did you read
http://www.overclock.net/t/1348623/amd-bulldozer-and-piledriver-overclocking-guide-asus-motherboard
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Zenny
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post #5 of 23
Thread Starter 
Dont know the psu right now, but its 750w and im only running 1 280x and this 8320 so should be fine.
And just to see if the multiplier would go up i installed amd overdrive because i know that autoclock ups the multiplier. And that did up the multiplier wich i could see in cpu z also. So its strange it wont respond to the bios multiplier.

And voltage was manually set to 1.35 wich i read should be stock for these. So with only .5 multiplier up it should work easy like that right?
post #6 of 23
Thread Starter 
seems to be fixed now somehow. I now tryed resetting to defaults in the bios and then starting over again. And this time i just upped it to 19 multiplier and i now have it running at 3.8 ghz. 20 multiplier should still be possible on these with my not that great mobo right?
post #7 of 23
your board only has 4+1 power phase so it may be a bit much to push it past 4ghz. make sure to keep an eye on your temps because the fx processors do need some juice to push it far.
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Zenny
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post #8 of 23
Thread Starter 
i have 2 40mm fans pushing air on the vrm heatsink and the area around if. But my main problem seems to be socket temp. It go's to 65 pretty fast(10mins of prime 95) So the problem is socket temps. I might need to try and cool that. I have read things about putting a fan behind the mobo on the backside in the case to cool it down. Is that an effective way of cooling the socket? And do's it make a lot of difference?(package stayed around 50 wich should be ok)
post #9 of 23
yes it is i currently have a 120mm stock antec fan blowing on the back of my socket. It drops my socket temps by around 10C.

btw even if you have fans on your vrm 4+1 power phase is really pushing it when your trying to overclock, so you might want to keep an eye on those temps and vcore.
Edited by wooshna - 3/3/16 at 6:02pm
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post #10 of 23
Thread Starter 
yeah im monitoring everything when im running prime or other high load looking at what my vcore and all my temps are doing.
Got it at 3.8 with vcore set at 1.27 and it seems to be stable and cpu package get 50 and cputin wich should be socket is getting 70 at stress testing. And i have been gaming with it and then it stays at <40 cpu and 55 for socket.
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