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Help with FX8350 throttling with Asrock 990FX Extreme 3

post #1 of 6
Thread Starter 
Yeah, I know, that motherboard is not really fit for this CPU, but I got a really good bargain on this computer and I really can't afford a new motherboard right now.

I know the problem comes with the VRM, so what I want to know is if cooling the VRM will help. In that case, yhe computer currently have a 212 EVO , so it will probably need to be changed to fit VRM cooling.

Any advise will be greatly appreciated.
post #2 of 6
Put a fan blowing directly to coll the VRM, that should lower the temps. Also you can put fan at the back of the motherboard where the VRM and CPU socket is. From my experience both of this will lower temps. If you running stock clocks try to undervolt your CPU too, it also helps to lower both VRM and CPU temps
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NZXT Phantom 240
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NZXT Phantom 240 Logitech G400 gaming mouse Razer Goliathus Omega Speed Edition Creative X-Fi Titanium HD (2xLME49720HA + 2xLME... 
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post #3 of 6
Thread Starter 
For Vcore readings, HWMonitor / Axtu shows different values than AMD Overdrive, who should I believe?

Also, what are expected temperatures for a FX8350 with an 212 Evo on this motherboard?

And last question, anyone knows how exactly the CPU temp throttling on the EFI works for this mobo? It shows percents instead of target temperatures, and I don't understand what those percents refers to.

Thanks for reading.
post #4 of 6
To solve the VRM throttling, undervolt. You should be able to undervolt quite a bit.

For BIOS settings, look at your motherboard's manual (if you don't have it, download it from Asrock's site). It should explain these things.
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Main
(16 items)
 
Dedicated Encoder
(15 items)
 
 
CPUMotherboardGraphicsRAM
FX-8320@4Ghz Gigabyte 970 UD3P rev2.1 Gainward GTX 750Ti Corsair XMS3 1600Mhz 16GB (4x4GB) 
Hard DriveHard DriveOptical DriveOptical Drive
Crucial BX100 250GB Western Digital Green 2TB LiteOn Blu-Ray Burner IHBS 112-2 LG BH16NS55 Blu-Ray Burner 
CoolingOSMonitorKeyboard
Scythe Katana 3 Windows 7 Pro 64bit ASUS 22" VS228HR Microsoft Wired Keyboard 600 
PowerCaseMouseAudio
EVGA 430W Sharkoon VG4-V Logitech M90 Onboard 
CPUMotherboardGraphicsRAM
FX-8300 Asrock 970 Extreme3 HIS 6570 Silence Corsair XMS3 1600Mhz 8GB (2x4GB) CAS9 
Hard DriveHard DriveOptical DriveCooling
Plextor M6S 128GB Toshiba 2TB SATAIII LiteOn Blu Ray burner IHBS 112-2 Xigmatek Balder 
OSMonitorKeyboardPower
Windows 7 Pro 64bit Samsung S22B350H Microsoft Wired 600 Corsair VS350 
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Lepa LPC 306 Logitech M90 Onboard 
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post #5 of 6
Thread Starter 
The manual I got doesn't have any EFI info, but the version on the Asrock website have it, but it doesn't say anything useful, anyway thanks for the idea.
Edited by madmalkav - 3/2/14 at 6:23am
post #6 of 6
Asrock 990FX Extreme3, FX8150/CM-V8, 8GB, Radeon 7850, 2xSSD120 + 4x2TB HDD. So I've got the same board, same problem. Throttling all the time, even at stock speed (FX8150/3.6Ghz). I pulled the heatsink off the VRM, refitted it with Arctic Silver and put a small fan on it (used some stiff wire attached to the back of the case to position it). I'm running at 4.5GHz (22.5 x200@1.3125V) now and no more throttling thumb.gif
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