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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1308

post #13071 of 38701
Hey guys,

a question - this is what happened to a reference Asus 7970 in a client's PC. Core/memory fried? I tried downclocking the GPU and CPU, swapping RAM, no difference.
Also since that happened, the refresh rate over remote connection is super slow, which you can see on the Heaven benchmark window when it's changing its size.


Notice the pattern in the first video - this indicates memory.
http://www.youtube.com/watch?v=yg3aNSsxuq0

However these shader artifacts might indicate the core as well.
http://www.youtube.com/watch?v=Rz610gaodMU

The PC is 200 miles away from me so I can't just swap the GPUs etc., I can access it remotely and I need to tell the client if he should RMA his GPU or something else. Thanks for ideas.
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post #13072 of 38701
Quote:
Originally Posted by Andrazh View Post

Bad for you, good for me. My 7950 doesnt have any cooling either and i was a bit scared when ocing the card. But since yours works them mine should too. Ehats your stock voltage?

it was 1.8v i know 1.8 sounds bad.. but that is it factory OC to 1100mhz.. so that makes it not so bad. I dont like the Asic rating of 65% tho... Im looking at the Sapphire as my 2nd card.. cause if this one poops out on me and i rma with the egg.. ill get a sapphire to replace it.. which i should have in the first place..

Think if i pushed it i could get more out of it..

But im quite happy with 1200/1600 makes it faster then my 590 and that is all that mattered to me.
Edited by Hokies83 - 7/9/12 at 4:43pm
    
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post #13073 of 38701
Hey guys. Can someone help me over here

I am trying to overclock with MSI afterburner 2.2.2 and this is what I get after enabling all voltage in the msiafterburner.cfg.

363

I am running 3x7970 for now on 3 x 1440p screens in (7680x1440)

I have Latest WHQL drivers (12.6)

If I don't edit the config file with the Unlocking quote. I can overclock but the Frequency is locked at a certain speed.

Thanks for your help
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post #13074 of 38701
Quote:
Originally Posted by KaRLiToS View Post

Hey guys. Can someone help me over here
I am trying to overclock with MSI afterburner 2.2.2 and this is what I get after enabling all voltage in the msiafterburner.cfg.
363
I am running 3x7970 for now on 3 x 1440p screens in (7680x1440)
I have Latest WHQL drivers (12.6)
If I don't edit the config file with the Unlocking quote. I can overclock but the Frequency is locked at a certain speed.
Thanks for your help

Have you disabled ulps in the registry? Also, afterburner 2.2.2 DOES NOT include the .dll that is needed to over clock 7970s. Go and download 2.2.1and try that version as it does indeed include them.
     
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post #13075 of 38701
Quote:
Originally Posted by Tomha View Post

Thanks for the advice, just a few questions:
1) Is this all using AMD overdrive, or do you suggest I do it through BIOS or something?
2) How would I check stability? What programs would you suggest I use to check stability (and benchmark) and what do I look for?
3) I just want to check, with the cards defaults being 900/1250, going straight to 1050/1450 isn't too fast? The max allowed in overdrive are 1100/1575
4) What is counted as a small (and safe) voltage bump? In AMD overdrive, its measured in %, e.g. +20% max, so what would I do to bump it if it wasn't stable? The same applies to clock speeds, I hear you want to go about 50mhz at a time, is this true?

I personally use both MSI Afterburner. The "+20%" is for the TDP of the card. Set that to +20%.

Do you own Crysis 2? I've found that Crysis 2 will artifact when benchmarking programs don't, so I use it to check stability. Also install HWInfo64 so you can check VRM temps on the GPU (Afterburner doesn't show VRM temp AFAIK, but I'm using an older version).

What I do is fire up Crysis 2, max the settings, and turn OFF Vsync, causing a 100% GPU load.

Alt+Tab to your desktop, apply some overclock, and Alt+Tab back to Crysis 2. Play for a couple minutes and if you don't see artifacting (textures "popping", weird lines appearing, anything that is obviously not a regular behavior of the game), try bumping the clocks. I generally go 25Mhz at a time, and 0.025V at a time. If you see textures popping, it is likely that your memory clock is too high. If your driver crashes, the screen blacking out and crashing to desktop, it is likely your core clock is too high, or your voltage is too low. Keep bumping the clocks until your temps start to go crazy, I personally prefer to keep my GPU and VRMs below 80ºC, but the card *should* be fine to a higher temp, I just avoid it personally.

That's the process I use. It probably isn't the optimal process, but it works for me.
Edited by Wattser93 - 7/9/12 at 6:46pm
 
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post #13076 of 38701
Quote:
Originally Posted by martinhal View Post

What are you overclocked too ? I get around 22K graphic score with 1300/1800 oc with a i7 3770K 4.7 Ghz final score around 17700.
Below is my best run 1305/1850 and 4.9Ghz
http://3dmark.com/3dm11/3800437

Lol - i have nothing overclocked at all, everything is running stock out of the box.

I've been having problems with certain games, so for the sake of testing i didn't OC anything at all.

Tried Fallout 3 and it was hanging when going into VATS mode when in the vault. get outside and it works fine - weird - think it was a game issue rather than my hardware.

Heaven3.0 still crashes - still cant work that out.
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post #13077 of 38701
Ok well I have tried some Overclocking.

I wasn't able to get the 1050/1450 suggested by some on default voltages, in fact so far the max I can get to is 1000/1450 on 10% power increase.
I notice that my 3Dmark 11 score decreases as I increase the memory clock past 1350, anyone care to explain?
I have tried adding another 5% to the voltage to get to 1050, but that doesn't work. What would you suggest as a next step?
post #13078 of 38701
Set your power limit to max....
post #13079 of 38701
Ya im at +20 power limit at 1.237v with 1200mhz/1600 mem i ran heaven for 2 hrs and no crashes so i think im stable lol.
    
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post #13080 of 38701
Ahk, just being careful tongue.gif dont want to add too much at once, but if its safe n such ill give it a go. Hookies83 did you use afterburner to get to 1200mhz? Overdrive only lets me go to a max of 1100mhz. Also what card do you have? The model and such..

Can anyone explain though why my 3Dmark 11 score would decrease with higher mem clock though? I got X2773 with 1350mhz, then X766 with 1450. I know thats kinda tiny, but its not like an outlier, ive tested it several times and it remains true.

UPDATE:
Yeah I increased power to max but I still get a driver crash after the swap from 1000mhz core to 1050mhz core.
Edited by Tomha - 7/9/12 at 8:10pm
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