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Good OC for my 6950?

post #1 of 11
Thread Starter 
1ghz core
1400 mem
1.162v

Max temp 42c

Its seems OCCT is no good with these cards, I can sit there with no errors forever and play a game and it will crash in 1 minute. (Not at this clock)

Besides gaming I'm using the Crysis bench to stabilize.

Whats a good number to shoot for with the memory? And does it really do much to OC the memory?

Also after burner can't monitor the ram usage on this card, whats up with that?
Edited by lightsout - 8/20/11 at 10:14pm
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post #2 of 11
That's an excellent OC! My card needs 1.25v for 1GHz core, 1400 mem.

Memory OC doesn't do much since it's already fast stock. So I wouldn't push it any further than 1400.
post #3 of 11
Thread Starter 
Cool thanks, I never really mess with the mem much but figured why not. I feel like I can really push this card. Just got my WC setup today so I'm taking it kind of slow.
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post #4 of 11
If you got that thing under water I'd definitely push it! Max safe volts is said to be 1.3v, so you got heaps of headroom to play around with
post #5 of 11
Thread Starter 
Yah I definitely can go further. 1.3 sounds a little high to me but I'm fine with 1.2v
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post #6 of 11
1GHz is great and you should be able to attain somewhere between 1425-1525 for mem clocks. Clepto on here has a thread showing his modded 6950 tf2 I think. Maybe take a look there to see what can be achieved (he was on air so you should be great).
    
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post #7 of 11
What waterblock are you using? Also, run Crysis benchmarks, 3DMark11 or Heaven Benchmark if you want to test the OC settings. Furmark is for temp cooling tests. The card should work fine with stock voltage at 940/1400. Once you get close to 1000, 1.2-1.25V is usually needed.
     
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post #8 of 11
Thread Starter 
Yah I've been using heaven and crysis benchmark to test it. Also ran 3dmark 11 and played some crysis 2 with my current clock from the OP, 1000/1400 1.61v

The block is a universal block, MCW82, temps have never been over 43c.
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post #9 of 11
Quote:
Originally Posted by lightsout View Post
Yah I've been using heaven and crysis benchmark to test it. Also ran 3dmark 11 and played some crysis 2 with my current clock from the OP, 1000/1400 1.61v

The block is a universal block, MCW82, temps have never been over 43c.
What are you checking temps with? You need to use GPU-Z and look at VRM temps too.

I hope that voltage is a typo
     
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by ezveedub View Post
What are you checking temps with? You need to use GPU-Z and look at VRM temps too.

I hope that voltage is a typo
Ha sorry yah I meant 1.162v I am using gpuz to check temps, there are 4 gpu temps and they are all within 4c of each other. It also shows 2 temps for vregs but those temps always stay at like 24c and 26c, they were like that before and after I took the stock cooler off. They have a big heatsink on them with mx4, it looks like this
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