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Can't get stable OC: AMD FX-8350

post #1 of 18
Thread Starter 
So I built a pc with the intention of overclocking the crap out of it and run it 24/7 with folding@home. But can't get it stable with any OC for more then 30 mins or so.
AMD FX-8350
BioStar TA970XE
AMD 970 North bridge
NVidia Geforce 9800 GT
Ram 2GB DDR3 1866

processor is liquid cooled with push/pull. case has 5 fans. psu is 850 watt.
processor idles at 19C, and 100% load peaks at 28C.
motherboard varys from 29C to 31C

Also, I'm a bit confused. Do the things with starting with a slow FSB speed and increasing also apply to hypertransport? because my bios defaults to the fastest speed 2400 MHz. What should I set the HT to? and what about the North Bridge speed be set to because it's 2200 MHz,

i probably spent 20 hours trying to OC this thing, it's driving me crazy. I keep getting blue screens anytime I try to OC and I've tried upping voltages. And I'm genally confused about the CPU. upping the cpu clock, or the multiplier makes it unstable but the temps are still low. (I had a very unstable OC with 8 cores running 4.9 GHz at 42C. don't understand, can't even get 4.3 GHz stable.
GPU, and chipset drivers are updated







post #2 of 18
Have you tried bumping up the CPU voltage?
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post #3 of 18
Thread Starter 
Yep everything from 1.35 to 1.53. What volt do you recommend?
post #4 of 18
Quote:
Originally Posted by meltz View Post

Yep everything from 1.35 to 1.53. What volt do you recommend?
That is odd.headscratch.gif
Have you tried updating the bios?
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CPUMotherboardRAMHard Drive
AMD A-3870K AsRock A75 Pro (FM1) HyperX DDR3 1866 8 GB SAMSUNG 830 256gb 
Hard DriveOptical DriveCoolingOS
SAMSUNG EcoGreen F4 2TB Plextor Black Blu-ray Burner Phenom II X4 stock Cooler Windows 10 
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LG M2762D-PM Glossy Black 27" 5ms (1920x1080) Antec HG 900 Gerenic ATX Case 
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CPUMotherboardRAMHard Drive
AMD A-3870K AsRock A75 Pro (FM1) HyperX DDR3 1866 8 GB SAMSUNG 830 256gb 
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SAMSUNG EcoGreen F4 2TB Plextor Black Blu-ray Burner Phenom II X4 stock Cooler Windows 10 
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LG M2762D-PM Glossy Black 27" 5ms (1920x1080) Antec HG 900 Gerenic ATX Case 
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post #5 of 18
Check the power phase that motherboard has. maybe your processor didn't get enough power.
which power supply do you use?? what brand??
post #6 of 18
Quote:
Originally Posted by Skyddsskor View Post

Check the power phase that motherboard has. maybe your processor didn't get enough power.
which power supply do you use?? what brand??
It is a Biostar TA970XE (4+1 phase power). It is basically the same as an AsRock 970 Extreme 3 (4+1 phase power), which I have a 8320 running on it at 4.5ghz.
HTPC
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CPUMotherboardRAMHard Drive
AMD A-3870K AsRock A75 Pro (FM1) HyperX DDR3 1866 8 GB SAMSUNG 830 256gb 
Hard DriveOptical DriveCoolingOS
SAMSUNG EcoGreen F4 2TB Plextor Black Blu-ray Burner Phenom II X4 stock Cooler Windows 10 
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Hard DriveOptical DriveCoolingOS
SAMSUNG EcoGreen F4 2TB Plextor Black Blu-ray Burner Phenom II X4 stock Cooler Windows 10 
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post #7 of 18
Quote:
Originally Posted by dixson01974 View Post

It is a Biostar TA970XE (4+1 phase power). It is basically the same as an AsRock 970 Extreme 3 (4+1 phase power), which I have a 8320 running on it at 4.5ghz.

there are two possibilities:
1. the power phase isn't good enough
2. you get not-so-good chip to be overclocked
post #8 of 18
Thread Starter 
I haven't heard of a power phase before. Its a Thermaltake TR2 RX Black Widow. I haven't updated the BIOS.. I'll do that now
post #9 of 18
I took one look at this and thought.... MOTHERBOARD... But on a serious note a 4 +1 is not good enough for these chips, yes dixson01974 has got away with it but I bet the majority don't. You really need a 8+1 power phase for these chips. if you tight for money get rid of the board and get yourself a ud3 970 and clock it up to 4.6 atleast.
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CPUMotherboardGraphicsGraphics
amd fx8350 Asus Crosshair V Formula-z powercolor vortex 2 hd7970 sapphire vapor x hd7970 GHZ edition 
RAMHard DriveHard DriveCooling
Corsair Vengeance 16gb 1866mhz Mushkin 120 GB SSD kingston 120gb ssd xspc 
OSMonitorKeyboardPower
Windows 8 Benq xl2420t saitek Cyborg V7 1000W Mushkin Joule 80PLUS Gold Power Supply  
CaseMouseMouse PadAudio
Coolermaster Stormtrooper Microsoft Sidewinder X8 Razer Vespula Bose Headphones/ Asus Thunderbolt Soundcard 
CPUMotherboardGraphicsRAM
amd phenom 2 1090t asus m4a79xtd EVO XFX hd 6770 hyper genesis x  
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windows 7 samsung 47" tv 
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post #10 of 18
I may be way off base here but Im just gonna take a stab at it because of a similar problem I had with a 955, I know its a totally different arch but have you tried raising the RAM voltage at all, I had a 955 on a biostar TA890FXE that just wouldn't even make it to 3.6 without bringing the RAM voltage up to 1.65, I haven't personally been able to mess with OCing a Vishera yet so take this with a grain of salt, I just figured it might be another avenue for you to try, either way I think a board with a better power phase would certainly be a good idea none the less, not dogging the board at all either, I've used quite a few Biostar boards in the past and always had great luck with them.
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