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post #13701 of 38701

Im wondering I overclocked my 7950 to 1000/1450 I can push the memory higher but have not yet. I am wondering tho is there anything in the BIOS I should be changing Enabling/Disabling? I noticed my card after I come out of game goes back down to 300/150

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post #13702 of 38701
Quote:
Originally Posted by 4LC4PON3 View Post

Im wondering I overclocked my 7950 to 1000/1450 I can push the memory higher but have not yet. I am wondering tho is there anything in the BIOS I should be changing Enabling/Disabling? I noticed my card after I come out of game goes back down to 300/150

It's supposed to do that as a power saving measure since you don't need all that power anymore.
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post #13703 of 38701
Quote:
Originally Posted by chizzms View Post

I used Sapphire Trixx for the very first time for my HD7950

i changed the clock settings to 1000/1600
1. did i actually overclocked the GPU? (noobie) thats it?
2. should i expect after changing the settings?

tried this setting 1000/1600, run diablo3 twice, and it crashed twice... may i know why?
    
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post #13704 of 38701
Quote:
Originally Posted by chizzms View Post

tried this setting 1000/1600, run diablo3 twice, and it crashed twice... may i know why?
Probably not stable?
Not all chips can take stock volts to 1000/1600.
Mine can only hit 970/1570 on stock, for example.
post #13705 of 38701
Quote:
Originally Posted by eternal7trance View Post


It's supposed to do that as a power saving measure since you don't need all that power anymore.

 

Yeah i know i understand that. Should of made myself more clear. On that note is there anything in the Bios Im supposed to disable/enable?

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post #13706 of 38701
Quote:
Originally Posted by Samurai707 View Post

Probably not stable?
Not all chips can take stock volts to 1000/1600.
Mine can only hit 970/1570 on stock, for example.

my default is 810/1250. how will i know the overclocking limit? (<<< noobie, please bear with me)
    
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post #13707 of 38701
Quote:
Originally Posted by chizzms View Post

my default is 810/1250. how will i know the overclocking limit? (<<< noobie, please bear with me)

I think your memory settings is too high.

On average with good cooling the core can hit 1020 on stock voltage.

Back your memory down a little bit and see what happens.

Technically I am having you work backwards.

I am not an expert in OCing but this was how I found my limit
1. Have memory back to stock settings.
2. Start with core at 960MHz
3. Run tests (Unreal Heaven 20 minutes and 3DMark11)
4. Bump up 20Mhz and repeat step 3 until a crash.
5. Back the core 10MHz from the crash setting and repeat step 3. If no crash then stress test your settings for 30minutes-hour.
6. Now increase your memory settings by 50MHz and repeat step 3 until a crash. Then take the memory settings down 10MHz and repeat until stable then stress test.
Edited by dookiebot - 7/24/12 at 12:05pm
post #13708 of 38701
Quote:
Originally Posted by dookiebot View Post

I think your memory settings is too high.
On average with good cooling the core can hit 1020 on stock voltage.
Back your memory down a little bit and see what happens.

i'm using HD7950, what is the range of the memory? when i drag the slide on trixx its 600-1800.. why can't it be maxed? or why should i lower it? your clarification on my tribal knowledge will be appreciated..
    
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post #13709 of 38701

What kind of settings are you guys getting with your 7950s in BF3? I feel like my card is not performing as it should. Maybe Im just not setting the game up correctly. The only reason I say this is because I feel that my GTX 580 had a smoother game play then this 7950. Im going format my PC and reinstall everything. Who knows I could of borked up my SSD install or something and it might not be my 7950 but I just dont feel the game play is smooth


Edited by 4LC4PON3 - 7/24/12 at 12:35pm
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post #13710 of 38701
Quote:
Originally Posted by dookiebot View Post

I think your memory settings is too high.
On average with good cooling the core can hit 1020 on stock voltage.
Back your memory down a little bit and see what happens.
Technically I am having you work backwards.
I am not an expert in OCing but this was how I found my limit
1. Have memory back to stock settings.
2. Start with core at 960MHz
3. Run tests (Unreal Heaven 20 minutes and 3DMark11)
4. Bump up 20Mhz and repeat step 3 until a crash.
5. Back the core 10MHz from the crash setting and repeat step 3. If no crash then stress test your settings for 30minutes-hour.
6. Now increase your memory settings by 50MHz and repeat step 3 until a crash. Then take the memory settings down 10MHz and repeat until stable then stress test.

will do this.. but first things first..
1. what are the risks?
2. in #2 you said core, is it the GPU clock?
3. at #6 memory setting is the memory clock?
4. tests in #3 are the same test for #5?
    
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