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post #3281 of 3436
2/5/13 at 3:54pm
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Quote:
Originally Posted by juano View Post

Mayyyyybbbee tongue.gif

Yea use 266.66 drivers they are a known stable driver set for folding and in the 200 series of drivers as opposed to the 300 series which is when Nvidia capped Fermi to 1GHz.

I'm going to assume you know how to overclock your card and test for stability without failing many WUs to get there, but if you need help then please ask me rather than fail WUs continuously. But basically with your card, your VRM cooling (with a fan pointed at it) and your core cooling you should (keyword there) be fine for continued 24/7 folding at 1.15v.

Just so we're on the same page are you using a Dwood bracket with fan to attach that 620?

I think I tried the 266.66 driver to no avail. I have a dozen drivers saved on USB and none of them allowed me to go over 1000Mz..

The only WU I've ever had fail was one last month. Not sure what happened. Could have been a Stanford issue.

And, no, I'm using the zip tie method. I have a Dwood bracket along with a temp controlled 92mm fan on it's way. I had to do something quick, as my temps were running in the low 80's because of the warm weather we're having.

And many thanks for your help! I've got the impression that the nVidia folders don't like to relinquish their "trade secrets" to a in-depth degree. Most of what I know I've found by googling and watching threads such as this one.
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post #3282 of 3436
2/5/13 at 4:13pm
Quote:
Originally Posted by 4thKor View Post

I think I tried the 266.66 driver to no avail. I have a dozen drivers saved on USB and none of them allowed me to go over 1000Mz..

And many thanks for your help! I've got the impression that the nVidia folders don't like to relinquish their "trade secrets" to a in-depth degree. Most of what I know I've found by googling and watching threads such as this one.

I might try them again if I were you, the drivers should be the only thing keeping you from being able to clock above a GHz. I've seen and helped OC plenty of 560ti and 560s to just over a GHz before the 300 series drivers. If they don't work this time then maybe try running driversweeper and reinstall them to get rid of any residual 300 drivers, but I'd expect them to just work and allow more than a GHz.

It kinda sounds like whoever gave you that impression either was being lazy or is just how you say "a not very nice person". You can always ask me, or better yet make a thread and PM it to me, if you ever need any help with Nvidia, or folding.
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post #3283 of 3436
2/5/13 at 4:24pm
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Quote:
Originally Posted by juano View Post

I might try them again if I were you, the drivers should be the only thing keeping you from being able to clock above a GHz. I've seen and helped OC plenty of 560ti and 560s to just over a GHz before the 300 series drivers. If they don't work this time then maybe try running driversweeper and reinstall them to get rid of any residual 300 drivers, but I'd expect them to just work and allow more than a GHz.

It kinda sounds like whoever gave you that impression either was being lazy or is just how you say "a not very nice person". You can always ask me, or better yet make a thread and PM it to me, if you ever need any help with Nvidia, or folding.

What increase can I expect? I'm re-downloading it now so I'll have a "fresh" copy on my folding rig.

And I meant absolutely no ill feelings toward my fellow folders. I like to think we're all on the same team. I actually think my newness to this is a major factor. I've only been folding for a few months (5 going on 6). But I am extremely competitive and curious about how things work. And I'm not afraid to push my hardware within a reasonable limit. tongue.gif
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post #3284 of 3436
2/5/13 at 4:41pm
Quote:
Originally Posted by 4thKor View Post

What increase can I expect? I'm re-downloading it now so I'll have a "fresh" copy on my folding rig.

And I meant absolutely no ill feelings toward my fellow folders. I like to think we're all on the same team. I actually think my newness to this is a major factor. I've only been folding for a few months (5 going on 6). But I am extremely competitive and curious about how things work. And I'm not afraid to push my hardware within a reasonable limit. tongue.gif

Well in my opinion you've got nearly 0.1v to play with (1.062v up to ~1.15v) so I'd expect 30Mhz pretty easily assuming you can keep temps in line (more on that below) and wouldn't be surprised at all to see 1050MHz maybe even more.

Your temps seem high for a 560 with a 620 on it, because a 620 can can keep a 580 folding below 60C. When you get the Dwood bracket in and remount your 620 be sure you get good contact between the GPU core's integrated heat spreader (IHS) and the 620, and that your thermal paste will spread well without bubbles etc. About getting a good TIM spread you want to use between a grain of rice and a pea sized amount in the center of the GPU core and then do not spread it yourself, let it spread automatically when you mount the 620. If you spread the TIM manually you're bound to get air bubbles which will decrease the effectiveness of your cooling solution.

I think of folding as one big team as well, that's why it's upsetting that people would want to keep a secret from another folder that could benefit their folding. I look at it this way, if I can help you get a higher OC out of your card and get a couple hundred more points per day folded, then that's a win for me, almost as if I have just contributed that extra couple hundred points a day.
Edited by juano - 2/5/13 at 4:57pm
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post #3285 of 3436
2/5/13 at 4:49pm
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Quote:
Originally Posted by juano View Post

Well in my opinion you've got nearly 0.1v to play with (1.062v up to ~1.15v) so I'd expect 30Mhz pretty easily assuming you can keep temps in line (more on that below) and wouldn't be surprised at all to see 1050MHz maybe even more.

When you get the Dwood bracket in and remount your 620 be sure you get good contact between the GPU core's integrated heat spreader (IHS) and the 620, and that your thermal paste will spread well without bubbles etc. Your temps seem high for a 620 on a 560, because it can keep a 580 folding below 60C. About getting a good TIM spread you want to just use between a grain of rice and a pea sized amount in the center of the GPU core and then do not spread it yourself, let it spread automatically when you apply the 620 and mount it. If you spread the TIM manually you're bound to get air bubbles which will decrease the effectiveness of your cooling solution.

I think of folding as one big team as well.

I'm also debating on delidding this thing. Doesn't seem that difficult, and I'm very meticulous and well-versed with razor blades. I use them every day. I think I can hit 1100 by doing that! I'm also getting some better fans for the rad. Right now I'm running some pos's I had laying around. I re-used my good ones on the cooler I replaced the 620 with. May even pick up a 240mm unit somewhere. I already have a Dwood bracket for a H60, which should work on a H100.
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post #3286 of 3436
2/5/13 at 8:08pm
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Quote:
Get your VRMs cooled first dude. Seriously, it's a bad idea to stress your card in any way with naked VRMs.

Hey thanks for the reminder juano thumb.gif I'm still in the process of modding the 580 case... All my tools are at work and I haven't had time.
I just messed around with MSI Afterburner and Kombustor to get familiar plus I didn't do anything extreme smile.gif from 772 to 832 MHz and back to stock
On another note, Afterburner doesn't give me the option to change voltage. Is that right??

And I noticed something weird when I was putting the Core clock up. The temp's on full load would go higher and higher as I turned up the core clock.. but after a certain point it started getting cooler.
eg. at 802MHz it was reaching 59 degrees but at 817MHz it was 55 degrees and at 832 it was down to 52... ***!? I assume there's something wrong with my software.
All of this stuff is out of my league so I'm going to concentrate on cooling the VRM's like you said smile.gif
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post #3287 of 3436
2/6/13 at 12:21pm
SeD669, I understand your delays but I think that you may be misunderstanding my advice. It is my recommendation to you that any sort of GPU usage such as playing a game, attempting to overclock, or attempting to stress an overclock for stability, basically anything that will use and heat up your GPU is not safe IMO for you to be doing until you can get your VRMs cooled. With some cards it is acceptable (though still not ideal) to run them with naked VRMs, such as a GTX 460 or GTX 560, but your 580 is not designed to be run without VRM cooling. If there are further delays in modifying the stock plastic shroud to fit over the 620 then I would advise you to just put the stock meta unisink and fan back onto the card ASAP and then put the shroud back on there when your able to. Just having the metal unisink touching the VRMs and spreading that heat out will be much better than what you are currently doing.

Everything described in your second paragraph could be the result of your VRMs basically being tortured. There could be other explanations as well but my first step in troubleshooting it would be to get those VRMs cooled and to give your card a break until you do. Hopefully it is just a case of your VRMs getting too hot and the card throttling to protect them (thereby lowering the temps as you saw) and that everything will be ok once your VRMs are cooled.
Edited by juano - 2/6/13 at 12:26pm
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post #3288 of 3436
2/6/13 at 9:47pm
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Quote:
SeD669, I understand your delays but I think that you may be misunderstanding my advice. It is my recommendation to you that any sort of GPU usage such as playing a game, attempting to overclock, or attempting to stress an overclock for stability, basically anything that will use and heat up your GPU is not safe IMO for you to be doing until you can get your VRMs cooled. With some cards it is acceptable (though still not ideal) to run them with naked VRMs, such as a GTX 460 or GTX 560, but your 580 is not designed to be run without VRM cooling. If there are further delays in modifying the stock plastic shroud to fit over the 620 then I would advise you to just put the stock meta unisink and fan back onto the card ASAP and then put the shroud back on there when your able to. Just having the metal unisink touching the VRMs and spreading that heat out will be much better than what you are currently doing.

Everything described in your second paragraph could be the result of your VRMs basically being tortured. There could be other explanations as well but my first step in troubleshooting it would be to get those VRMs cooled and to give your card a break until you do. Hopefully it is just a case of your VRMs getting too hot and the card throttling to protect them (thereby lowering the temps as you saw) and that everything will be ok once your VRMs are cooled.

I'm getting the mid section and fan back today.... and should finish cutting the plastic cover tonight. Probably shouldn't have OC'd my GPU but I get bored waiting for stuff.
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post #3289 of 3436
2/7/13 at 9:50pm
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juano mid section and plastic cover back on.... although the hole I made was slightly bigger than it should be, I'm pleased with it. Thanks for the advice mate
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post #3290 of 3436
2/8/13 at 11:07am
Quote:
Originally Posted by SeD669 View Post

juano mid section and plastic cover back on.... although the hole I made was slightly bigger than it should be, I'm pleased with it. Thanks for the advice mate

No problem, glad you got your card together and cooled without too much trouble.
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