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GTX 560 Ti 448 core OC Club - Page 205

post #2041 of 2759
Quote:
Originally Posted by Qqcola View Post

Thanks for all the help guys smile.gif.
So core clock, and shader clock, thenmemory in priorities smile.gif.
I am contemplating on upping the voltage a little to see what I can squeeze out of this card. I was always reluctant to do so because I am using a 450 Bronze PSU that comes with my SG05BB-450 case. People are running more power intensive cards than mine, so I guess I can up voltage a little. In Afterburner voltage is set to 0 (.912 idle, .975 load), and I can + it all the way up to 150, I believe. What do you think is a safe amount? I am already on 950/1900/2100. Any guidance would be great!

....don't do that. I had a cheapo 700 watt psu also and it exploded....
post #2042 of 2759
Well, the PSU in the Silverstone SG05BB-450 is pretty good actually. Reviews all over the internet can also confirm this. A few people are running GTX 680s off the card. Hehe, initially, it's the sole reason I didn't want to play with voltage, but I think anything that can be done in Afterburner, and not BIOS should be fine.

Does anybody have any suggestions of how much +voltage is good/acceptable? I'm currently at .912 idle, and .975 load, with 950 Core clock, 1900 Shader clock, and 2100 memory clock. I'd love some safe suggestions for voltage/core/shader/memory!

Thanks!
post #2043 of 2759
I have seen factory cards near 1.1v, like 1.063-1.085. You should be safe at anything under 1.1. I have noticed that the higher you go, the voltage needed for stability is not linear with clock rate, voltage needs increase quick when you get near max oc.

Sorry, that was for core voltage only.
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post #2044 of 2759
Quote:
Originally Posted by Qqcola View Post

Well, the PSU in the Silverstone SG05BB-450 is pretty good actually. Reviews all over the internet can also confirm this. A few people are running GTX 680s off the card. Hehe, initially, it's the sole reason I didn't want to play with voltage, but I think anything that can be done in Afterburner, and not BIOS should be fine.
Does anybody have any suggestions of how much +voltage is good/acceptable? I'm currently at .912 idle, and .975 load, with 950 Core clock, 1900 Shader clock, and 2100 memory clock. I'd love some safe suggestions for voltage/core/shader/memory!
Thanks!

Your card can handle 1.15v fine, but your PSU probably can't IMO. What CPU do you run.
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post #2045 of 2759
I run a 2500K at stock clock (3.3GHz), because I have an H board. I purchased the K because it was only $15 difference, and in future when I move again, I might build a proper tower with it. I have an ITX at the moment due to living circumstances, as I previously mentioned.

I'm trying 1000/2000/2100 @ 1.12 idle/1.075 load, and the fan at 60. If I start crashing/whatnot, I'll play around with it more. If I do start crashing at these settings, what do you suggest I do? Increase voltage, or lower the settings? Sorry for all the questions, but thanks for all your help!
post #2046 of 2759
I wouldn't increase the voltage higher than that with your PSU. Test for stability using Unigine Heaven, it's the best stability test IMO. Run it for about 15 minutes and watch for flashes of colored light or crashing as signs of instability.
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post #2047 of 2759
Hmmm, it just crashed then during a few rounds of CS Source, so I upped the voltage a little more. Voltage is now at +125 (1.037 idle/1.1 load), and I just played about 5 - 10 rounds, no issues.

I'll give the download a try.

Thanks Juano! I think I've hit a sweet spot, 'cause before I upped the voltage it would crash during CS rounds, now it's sweet biggrin.gif! I have no idea if this is good/bad for my PSU though.

I should probably find someway to monitor PSU usage.

I have read many good things regarding the PSU that comes with the SG05BB-450 case though.
post #2048 of 2759
Cs source is not a good way to test your stability. As said try unigine heaven on highest details for 5-10 loops
post #2049 of 2759
Yeah, it's just what I was doing for a moment to have a quick look. In all honesty, as long as it supports D3 on ultra @ 2560x1440 in a full game, and doesn't crash/choke, I'll be happy!

I actually only built this PC to play D3, heh!

My download is almost done, so I'll give it a go tonight.

EDIT: Ok, I couldn't wait and did it now lol. At +125 (1.037 idle/1.1 load), 1000 core clock, 2000 Shader clock and 2100 memory clock it crashed. I lowered it to 950/1900/2050 and ran 2 loops and 1 benchmark fine. The fan was always on 70.

Max temp 65, GPU usage 99.

Is it safe to say the first one was crashed was not steady, but lowering my clocks a little, it is now steady? I originally just wanted an answer to my question above, but this has sort of intrigued me smile.gif. I know basics, such as building a PC where goes what, and whatnot; but in terms of overclocking and so forth... I'm relatively new.

Once again, thanks for everyone's help!

Edit again; Everything was on the highest detail except for sound. I just left that on default. I'm using USB speakers at the moment.

Last edit I promise; added a picture

338
Edited by Qqcola - 4/15/12 at 11:18pm
post #2050 of 2759
Quote:
Originally Posted by Qqcola View Post

I lowered it to 950/1900/2050 and ran 2 loops and 1 benchmark fine. The fan was always on 70.

That shoud be a nice overclock. But can you really handle that fan @ 70 noise-wise? smile.gif
PS. Wasn't sure about your OC'ing methods after reading - but do you increase / decrease everything at once when you are overclocking? IE. when you hit a wall and the computer crashes, do you lower all three settings a bit at once? I just wanted to ask, because many prefer to do their overclocking stage-wise, meaning you start with your core (not touching your other clocks) and take it as high as it goes without crashing/artifacting. When you think you hit your sweet spot, then set the core to default (and remember the setting it was on of course) and move to shader clock and do the same thing. And of course same for the memory. This will allow you to know what the limits are for each clock individually. Then just test all three together. Food for thought. wink.gif
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