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GTX 570 overclocking thread - Page 28

post #271 of 2146
Quote:
Originally Posted by Xylian View Post
Careful with those high mem clocks. We've seen what can happen
Hey, please tell me the story would ya

thanks
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post #272 of 2146
Quote:
Originally Posted by becco View Post
Hey, please tell me the story would ya

thanks
Hi,

I registered to post my warning, as I've been reading this thread after I got my replacement 570...

I had an Asus 570, which comes voltage unlocked so that you can put it up to 1.2v easily.

I read this review http://www.pureoverclock.com/review.php?id=1162&page=17 where they whacked the voltage up to 1.2v and got a 905/1850/2250 overclock.

So when I got mine I did the same and put it up to 1.2v and 925 GPU and 2200 memory.

Then I started running benchmarks - 3d Mark 11, I wasn't really paying attention but the computer turned off and rebooted, which was a bit odd since it didn't blue screen first. After it rebooted I tried running another 3d app and the computer just turned off and rebooted immediately.

Then I noticed there was a burning smell in the air. I turned the computer off and took out the graphics card and the smell was coming from there. I tried putting the card back in and turning the computer on, but now there was no picture and the fans on the graphics card just blew on full.

I've got the card replaced now, but am sticking to 1.013v and 800/1600/1975 now.

I don't know if the memory overclock over 2000 was a factor, although most likely it was the 1.2v voltage, but since there seems to be little benefit of overclocking the memory it seems best to keep it lower.

Later on I might try increasing the voltage to 1.05 or 1.063, but I am pretty hesitant now as I don't want to kill another card straightaway!
post #273 of 2146
Quote:
Originally Posted by Kerrk View Post
Hi,

I registered to post my warning, as I've been reading this thread after I got my replacement 570...

I had an Asus 570, which comes voltage unlocked so that you can put it up to 1.2v easily.

I read this review http://www.pureoverclock.com/review.php?id=1162&page=17 where they whacked the voltage up to 1.2v and got a 905/1850/2250 overclock.

So when I got mine I did the same and put it up to 1.2v and 925 GPU and 2200 memory.

Then I started running benchmarks - 3d Mark 11, I wasn't really paying attention but the computer turned off and rebooted, which was a bit odd since it didn't blue screen first. After it rebooted I tried running another 3d app and the computer just turned off and rebooted immediately.

Then I noticed there was a burning smell in the air. I turned the computer off and took out the graphics card and the smell was coming from there. I tried putting the card back in and turning the computer on, but now there was no picture and the fans on the graphics card just blew on full.

I've got the card replaced now, but am sticking to 1.013v and 800/1600/1975 now.

I don't know if the memory overclock over 2000 was a factor, although most likely it was the 1.2v voltage, but since there seems to be little benefit of overclocking the memory it seems best to keep it lower.

Later on I might try increasing the voltage to 1.05 or 1.063, but I am pretty hesitant now as I don't want to kill another card straightaway!
Thanks for the write up, glad i know this because i'm thinking to get this card.
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post #274 of 2146
I've been overclocking CPUs/GPUs for over 10 years and this is the first time I've ever managed to kill any hardware, although this is also the first graphics card that I've had that made it easy to change the voltage.

I had setup the fan profiles so it was running cool, probably less than 70C at load, but I guess that the parts that blew were not the GPU but probably the voltage regulators or the memory chips.
Edited by Kerrk - 1/1/11 at 6:57am
post #275 of 2146
Quote:
Originally Posted by rollinsoundzboy View Post
Thanks for the write up, glad i know this because i'm thinking to get this card.
No problem, I hope that this prevents people from meeting the same fate as me. Afterwards I tried googling to see if anyone else had managed to kill their 570 card but I didn't find much apart from hints that people had permanent artifact problems after overclocking the memory too much.
post #276 of 2146
Hi Kerrk, thanks for the story. It might be the 1.2V which cause the problem I guess
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post #277 of 2146
Quote:
Originally Posted by becco View Post
Hi Kerrk, thanks for the story. It might be the 1.2V which cause the problem I guess
http://www.overclock.net/nvidia/8989...gtx-570-a.html

Check this thread. He bricked his card by running 2300 stable for a couple of weeks, then it started failing. Besides, there's barely any benefit to overclocking the mem, so why take the risk?
    
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post #278 of 2146
Quote:
Originally Posted by Xylian View Post
http://www.overclock.net/nvidia/8989...gtx-570-a.html

Check this thread. He bricked his card by running 2300 stable for a couple of weeks, then it started failing. Besides, there's barely any benefit to overclocking the mem, so why take the risk?
I overclock the vga only when bechmarking and run stock clock on 24/7 games. The extra 25%+ from stock to 957/1170 could be interesting in numbers like 3DMark, meanwhile the games I play seem done right with GTX570 SC stock.

Thanks for another link story bro
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post #279 of 2146
I am overclocking my EVGA 570 SC right now and yeah the memory is weird. I found my max clocks for the core and memory at 1.1 volts just doing 10 min runs of OC Scanner until I got artifacts and then I backed down the speeds and started stability testing.

I got the memory up to 2300 and had no artifacts in OC Scanner but then I ran Unigine Heaven and saw artifacts about half way through the test. I was monitoring this thread so I am glad I did not go over 2300 in OC Scanner. 2200 on the memory was stable in 2 hours of OC Scanner, Unigine Heaven, 3DMark11, Stone Giant, Crysis for an hour, and BFBC2 for a couple hours so I think I will stick with 2200 on the memory.

Max core clock I got was 950 mhz (memory at stock 1950) with no artifacts after 10 minutes but for stability testing I let OC Scanner run for the full 2 hours with the load limiter unchecked and heavy mode on at 1920x1080 and I got artifacts after 20 minutes at 950 mhz. Had to back down to 900 mhz before I could run OC Scanner for the full 2 hours without getting any artifacts.

Stock card was EVGA Superclocked 797/1950 @ .987 volts.

OC temps never break 80 C with custom fan profile in MSI Afterburner. I have it set up so it maxes out at about 76-79 C with the fan at 65-70%.

Question: At 910, 920, 930, 940 on the core I would only get 1 artifact at about 1 hour 45 minutes in to OC Scanner but they were all stable in Unigine, 3D Mark11, Stone Giant, Crysis, and BFBC2 so I am wondering if I can run at 940 mhz if it is game stable even though I get 1 artifact in OC Scanner??

This card is a champ though with the OC on it. BFBC2 at 1920x1080 max with 8xAA hardly ever drops below 60 fps. Lowest fps I have seen is 52 fps. At stock settings lowest fps was in the lower 40's.

Benches- I will put more up but I am going to try running OC Scanner at 910 on the core again for 2 hours to see if I still have artifacts. Then I am going to try dropping the voltage a little bit if I can.

3DMark11- 900/2200 @ 1.1 volts

P5333
http://3dmark.com/3dm11/330570?show_...wq4HLsBZAf6JD9

E1991
http://3dmark.com/3dm11/330719;jsess...w6VPYUptBEdpx3
Edited by CountChoculitis - 1/1/11 at 8:57am
    
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post #280 of 2146
Quote:
Originally Posted by CountChoculitis View Post
Talks about your result with GTX570 @900/2200 and Phenom II X4 @3.6GHz in 3DMark 11 P Mode, it seems you'll get better number with better processor.

Default clock EVGA GTX570 Superclocked @797/1950 with Q9550 3.6GHz scored same as around P5300, Here's the comparison http://3dmark.com/compare/3dm11/330570/3dm11/303874
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