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non-ref sapphire 6950 using MSIAB VoltUnlock to 1.4V, safety concerns?

post #1 of 6
Thread Starter 
Using normal MSIAB 2.1.0 and TRIXX I've had the OC at

995/1430 @ 1.3V and it apparently ran smooth enough for GTA4

So now I put the 2 files of MSIAfterburnerVoltUnlock into the directory and it works, the new limit is 1.4V (it can go higher)

GPUZ sees the real volts, and so its working.

This non-ref. card runs cooler than others, but I'll put the fan to good use and keep the temps down.

How safe should this be up to 1.4V
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pII x4 40 @ 3.72GHz NB @ 2.79GHz M4A89gtd PRO/USB3 Sapphire 6950 2GB nonRef 950/1520 @1.2V 4GB Gskill DDR3 CL7eco @1656 6-8-6-20-24-1T 
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post #2 of 6
Your safe, no worries. If your keeping temps below 80c while gaming, you'll be fine.
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post #3 of 6
Thread Starter 
As I set the voltage around 1.3V and up, even if I'm not using a OC, so just 800/1250, but with the volts set, I start getting little dots of white just in...

"the GTA4 start windows on the desktop" that box with the play button, register/login.... not consistently, but little white dots flick around, change as I put the mouse over certain buttons

I ran Furmark burn-in and couldn't get 1000/1420 to work at 1.4V past a few minutes.

990/1420 @ ~1.315V (or maybe 1.35V) ran for 25m in furmark, then I stopped it. Temps held about 83C with the fan on full.

But it behaves inconsistently in GTA4 when OC, I just played for +1h at 990/1450 @ 1.306V and it did fine, but sometimes trying to get 1000/.... to work at higher volts, it has lots of artifacts, so I would reset the clocks and volts, and the artifacts would remain...

But overall it woks well, but I don't think I'll 1000 to work. Haven't maxed the memory yet though.


I wish I knew if anyone unlocked the shaders yet.
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CPUMotherboardGraphicsRAM
pII x4 40 @ 3.72GHz NB @ 2.79GHz M4A89gtd PRO/USB3 Sapphire 6950 2GB nonRef 950/1520 @1.2V 4GB Gskill DDR3 CL7eco @1656 6-8-6-20-24-1T 
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pII x4 40 @ 3.72GHz NB @ 2.79GHz M4A89gtd PRO/USB3 Sapphire 6950 2GB nonRef 950/1520 @1.2V 4GB Gskill DDR3 CL7eco @1656 6-8-6-20-24-1T 
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post #4 of 6
Why id yer memory so low?
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post #5 of 6
Thread Starter 
you mean the 1450, thats the highest I've tried yet.
Car replacement
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WD Black 640GB SATA3 Windows 7 Ultimate BenQ 24" G2420HD 1920x1080 SeaSonic M12II 520W 
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TV stand on wheels + cardboard door 
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Car replacement
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pII x4 40 @ 3.72GHz NB @ 2.79GHz M4A89gtd PRO/USB3 Sapphire 6950 2GB nonRef 950/1520 @1.2V 4GB Gskill DDR3 CL7eco @1656 6-8-6-20-24-1T 
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post #6 of 6
consider urself lucky , my sapphire 6950 wont overclock any higher than 880/1375 on 6970 bios .

Ur hitting 990 ? whats the fps difference from stock .. I think 40mhz = 1.5fps on these cards . from 880 to 920 it was 1.5fps difference ... on my card anyways .. i got a bad overclocker , not too happy im wondering if i should trade it in for a real 6970 so i can get higher clocks .
    
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Transcend SSD220S 120GB  Corsair H80i V2 Windows 10 Pro 64bit AOC AG322FCX 32" Curved LED 144hz 1920x1080 
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Overclock.net › Forums › Graphics Cards › AMD/ATI › non-ref sapphire 6950 using MSIAB VoltUnlock to 1.4V, safety concerns?