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Liquid cooled FX-6100 24/7 voltage inquiry

post #1 of 16
Thread Starter 
I have been surfing the forums trying to find what a safe 24/7 voltage is for my liquid cooled FX-6100. I read that on air people say 1.45V. But what about liquid cooling? Im just installed a Corsair H80 which is replacing my Coolermaster 212 Evo and it is kicken a$$ and taken names in comparison. Ive gotten it stable at 4.5Ghz and now extremely close to stable at 4.7Ghz in Prime 95 with temps below 70C. But Im 3 notches away from hitting 1.45V and I dont want to venture further if its not safe. Any and all input welcome biggrin.gif

Edit: found an older thread from a different forum where some guys where saying it can go to 1.55V with Air/Liquid before needing a custom water setup. If this is true.... Ill hit 5Ghz for sure. But like I said, Im on the border of 4.7 being stable with 1.45V right now.
Edited by Honk5891 - 11/18/12 at 1:40pm
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post #2 of 16
Om 32nm I'm not sure about 1.55v. But upto 1.5v with low core temps would be the max I would want to go. 1.55v were for the Phenom II/Athlon II chips.
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post #3 of 16
Thread Starter 
Quote:
Originally Posted by jason387 View Post

Om 32nm I'm not sure about 1.55v. But upto 1.5v with low core temps would be the max I would want to go. 1.55v were for the Phenom II/Athlon II chips.

These guys were saying it was the FX chips. Specifically the 6100. Thats why I wonder.
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post #4 of 16
1.5v is more or less the max for 24/7 usage on all FX chips. 5ghz is too far for the 6100 no matter how much voltage you push as each chip has a wall after which it can't possible remain stable no matter how much volts you push through it.
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post #5 of 16
Thread Starter 
There are plenty of people that can pull 5Ghz off their 6100's with 1.5V give or take a little. And yes it is stable.

Ive seen folks with 5.2Ghz
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post #6 of 16
Yeah but not many have got it to 5Ghz stable. If you do you are lucky. It actually also depends on the core temps. As you overclock further the max core temps for the chip reduces. But if you can keep up with low core temps then your golden. What's your definition of stability?
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post #7 of 16
do you want 5ghz for epeen or do you need it so the 6100 can keep up with your HD7950?

1.5v should be fine but i suggest you put a small fan to blow on top of your vrm heatsink.
If the asus board throttles the cpu even if the vrms are cooled, then stay with 1.45
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post #8 of 16
Have a look at cpuz from time to time when testing in p95. Sometimes it may pass stability tests because of the cpu throttling.
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post #9 of 16
Thread Starter 
Throttling? Please define for me haha. I did see a decent performance increase in my BF3 when I went from 4.2Ghz to 4.6Ghz. Im guessing I COULD get a bit more perf from it but I do see that the LLC is putting my 1.42V to 1.5V in CPUZ. That being said I know that Im extremely close to being stable at 4.7Ghz when I set it for 1.45Ghz but LLC pushes it to 1.56V in CPUZ
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post #10 of 16
open cpu-z then do a stress test with prime95.
watch your clockspeed while doing the stress/torture test.

if your clockspeed is not a constant 4.6 ghz and lowers to 3+ghz a few times, the motherboard is throttling, or lowering the voltage which means the vrm is close to overheating or unstable.
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Rabasu i7-3770K
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AMD FX 6100 4.0 Ghz 6-core Asus M5A78L-MLX3 AM3+ Powercolor HD7730 1GB DDR5 16GB (2x8GB) Corsair Vengeance LP 1600 
Hard DriveHard DriveOptical DriveCooling
Seagate 1TB Seagate 1TB Sony DVDRW CoolerMaster Hyper212+ with 2x140mm Deepcool UF140 
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Windows 7 x64 / Mint x64 BenQ E2220 1080p Aerocool Strike-X 500watts CoolerMaster Elite 430 
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A4tech X7 710BH 
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