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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 238

post #2371 of 6939
Quote:
Originally Posted by Liranan View Post
If you guys don't mind I'm not going to read 100 or more pages and will just ask a few questions.
I've read all 237 pages so if there is anything else you need to know... I can use the search function too, LOL
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post #2372 of 6939
Haha!
post #2373 of 6939
I cannot get to the 1Ghz GPU mark for my 6850 even with 1.72v on it, so you guys must have gotten a nice little batch there. Seems over 970mhz on the GPU it will crash the drivers and stuff like that. I havent taken the memory over 1135 either since it gets a little dicey once again. I really wanted to add a second just to try crossfire, but to add another water-block and all that jazz just doesnt seem worth it at all. Overall I am pretty happy w/ this card and run ~98% of my games on maxed res now. I wont lie, since my temps are so low I really want to throw like 2.1V at it (black edition voltage i THINK) to see if i can get to the 1Ghz mark. Hoever, w my luck I will end up w/ a bricked card and very sad.

[IMG][/IMG]

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post #2374 of 6939
I just bought a 6870 reference to try it out. I am impressed. However, if I turn the fan speed up to 43% or more it makes a very bad grinding sound. It is out of ballance and hitting something inside. Have there been many reports of this?
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post #2375 of 6939
I cant say my cards are quiet, but they sure dont grind.
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post #2376 of 6939
I was sure that would be the answer. I wonder if my fan was turned down so it would not grind in the BIOS? It never went over 33% in Crysis and hit 77c. Not bad considering the GTX570. Crysis plays better with ATI so it was not suprise the game FPS were much higher than with 1 570.

I will swap it out at Frys this week.
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post #2377 of 6939
Wind roar is normal, but any mechanical sounds, I think not.

You would think if fan is hitting something, it would do it at low rpm also. Hard to say though. Maybe loose wire getting sucked in? Bad bearing?
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post #2378 of 6939
I would know if wires were hitting, at least outside wires. I do not plan to take it appart.

If I tilt the case sideways the grinding noise goes away. I am using fan contol so I know when it does it. If I touch the fan with my finger the noise goes away.

I pulled up on the case around the fan but no help. Could be a wire inside. It is not my job to fix it so I will swap it out for another card.

At least I found it and can swap it.
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post #2379 of 6939
Not sure I i've posted my noise impressions yet, but here they are for 6870.

00-30% Below the noise floor of my case fans.
30-40% Audible to tolerable.
40-50% Audible to tolerable with headphones on.
50-100% Unacceptable in any situation.

It sits at 23% in 2D and touches 33% in 3D. I see temps of 77C while playing BC2. That's at stock volts an donning 925 on the core.
post #2380 of 6939
I just picked up the ASUS EAH6850 "v2". On this one there is 2 x 6 pin power connectors. All the reviews I read, and the instruction manual states the need to only connect 1 connector. My question is will it matter which connector I need to use? Or do I need to hook up both of em?

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