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Overclocking FX-8350 Help Required. - Page 9

post #81 of 87
Quote:
Originally Posted by AgentGoomba View Post

Currently, the lowest possible temp for stability is exactly 1.4v at 4.5ghz
Max temps are 62c on the cpu.

what voltages are other fellow FX-8350s using at the same clock?

Just look through the list in the OP to compare clocks. http://www.overclock.net/t/1318995/official-fx-8320-fx-8350-vishera-owners-club
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post #82 of 87
thanks. That's useful. I noticed that the HT on some of these rigs is set to 2600. Should I do the same? Asus set mine to 2200. :/
post #83 of 87
Quote:
Originally Posted by AgentGoomba View Post

thanks. That's useful. I noticed that the HT on some of these rigs is set to 2600. Should I do the same? Asus set mine to 2200. :/

Stock is 2600, but it doesn't need to be that high without XFire/SLI.
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post #84 of 87
I've tried everything still can't get over 4.44 Ghz, I guess it comes down to my motherboard chipset quality, quality of the CPU and whether or not you have adequate cooling to bump the voltages high enough to keep things stable. Better board will give a more stable overclock at lower voltages, meaning lower temps..

Sorry, I'm just thinking out loud, please correct me if I am wrong?
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post #85 of 87
Quote:
Originally Posted by JoeChamberlain View Post

I've tried everything still can't get over 4.44 Ghz, I guess it comes down to my motherboard chipset quality, quality of the CPU and whether or not you have adequate cooling to bump the voltages high enough to keep things stable. Better board will give a more stable overclock at lower voltages, meaning lower temps..

Sorry, I'm just thinking out loud, please correct me if I am wrong?

Your mostly right. What settings are you using and what is your loaded core voltage? The H60 is good enough for about 4.8Ghz depending on your ambient temps.
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post #86 of 87
Will have to run through my BIOS settings when I get home
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post #87 of 87
OK, here goes with my settings...

I simply cannot overclock using the multiplier on this motherboard, never been stable, regardless of any settings and this is the same with my old 1090T and the the 8350. Overclocking has only been successful by increasing the bus. Another thing, I have never managed to get a stable overclock by manually bumping the voltage of the CPU. It has only worked when I up the Digi VRM capability settings..

Anyway, here are my current settings for my stable 4.44 GHz overclock: -

CPU Ratio: 20X (Default)
CPU Bus: 223
PCI Freq: 100 (Default)
Mem Freq: 1486 (Underclocked after bus increase)
CPU/NB Freq: 2230 Mhz (Have tried to lower this, as I know the default is 2200 Mhz, no improvement on stability)
HT Link Speed: 2230 MHz (Same as above)
CPU Spread Spectrum, PCIe Spread Spectrum and EPU Power Saving Mode all disabled
CPU Load Line Calibration: Ultra High (Has helped with stability)
CPU/NB Load Line Calibration: High (Same as)
CPU Current Capability: 130%
CPU/NB Current Capability: 120%
CPU Power Phase Control: Standard
CPU Voltage Freq: Auto
VRM Spread Spectrum: Disabled
CPU Power Duty Control: T.Probe
CPU and NB Voltage: Offset
All voltages: Auto
Cool n Quiet, C1E, SVM, Core C6 State and HPC Mode all set to Disabled.

Again, I know the first thing anything anyone will suggest is manually adjusting the voltages, I have tried this, again and again, very small increments to CPU voltage, CPU/NB and DRAM from their low defaults and up to 1.5V on the CPU Voltage, with no help on stability and I would not like to push it any further to avoid frying the chip. At current settings the voltage goes up to 1.45 and temps under load are about 60C max...

Phew, that's the essay done. Would like to squeeze a bit more performance out of this chip, hearing that it can get to 5.2 GHz. But fully understand that I may have already hit the wall, based on my motherboard chipset and my possible outcome in the silicone lottery!

Thanks thumb.gif
Edited by JoeChamberlain - 4/5/13 at 3:13pm
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AMD FX-8350 @ 4.6 Ghz ASUS M5A97-PRO Sapphire R9 290X Tri-X 4GB @ 1170/1475 8GB Corsair Vengeance Blue LP DDR3 2133 Mhz 
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Audio
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CPUGraphicsRAMHard Drive
Intel Core i7-3740QM CPU @ 2.70 Ghz NVidia Quadro K1000M 2GB 32GB DDR3 500GB 7200RPM 
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Slot DVDRW Windows 7 64-Bit 1080p Built in Display Dell Precision M4700 
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