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post #2401 of 9802
Just use a small pea size TIM.
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post #2402 of 9802
Quote:
Originally Posted by Scorpion667 View Post

Quote:
Originally Posted by dph314 View Post

Been messing around with the static voltage and LLC. So far, with all the energy saving features still enabled, I have the Vcore set at 1.215v and LLC at Ultra High. As opposed to my previous settings, this gives me an idle voltage of 1.224v instead of .79v, but a load voltage of 1.232v-1.240v instead of 1.256v. Any load voltage at less than 1.23v and it crashes when folding. Didn't make much of a temp difference, which I didn't expect it would make much of. So, not sure if it's worth the small decrease in load voltage for the much higher idle voltage thinking.gif
(opened RealTemp after 25 minutes of folding)

Yeah in that case it's not worth it, as you say.
I'm curious however, did lower CPU PLL to 1.6 have any effect on temps or stability? I've never tried lower than 1.7v
Do you still use the same PLL voltage at higher OC's also?

I just started getting serious about setting up my OC Profiles for maximum efficiency, first profile is for 4.1Ghz. Haven't tried lowering these voltages on higher OCs yet, but yeah for this one I dropped PLL, VTT, VCCSA, and a few others. In the pic you can see VTT and VCCSA are dropped from I believe 1.2v stock voltage down to 1.05v, and everything is still completely stable. So, they definitely don't help a mild OC. After reading about how these voltages can lead to faster degredation I decided to see how low I can get everything, not just the vcore. So, yeah it may have helped temps a degree or 2, but mostly it just feels good to have these voltages so low on my 24/7 profile. I'll have to see how low I can get them, and then how low on my 4.5Ghz Profile which I'll be working on next.

Edit: Actually, I did end up getting it stable at a load voltage of 1.224v. Gave me a 1-2 degree difference on the cores from 1.25v, and lowered package temp 3 degrees from 48C to 45C. I'm usually folding more often than not when on this 4.1Ghz profile, so I think I'd benefit more from the lower load voltage as opposed to the lower idle voltage. So, yeah, thanks for the suggestion thumb.gif

Also been lowering the others, including PLL that you asked about, and got cores a degree or 2 lower again, and also package temp down from 45C to 44C. I'm still dropping one at a time, since I haven't crashed yet, but here's where they are at the moment-


(opened at around 20 mins of folding)
Edited by dph314 - 8/22/12 at 5:37am
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post #2403 of 9802
Love the results!
Yeah I've been getting into setting up my profiles for maximum efficiency also.
I am going to try lowering VTT, VCCSA and PLL.

I was curious however, with the 4.1 profile you are using, is your RAM still at 2133? If so, your IMC is impressive for only needing 1.04v. I think mine is sitting at 1.075v but will try 1.05 =D

Are you folding to test stability? I'm not a big fan of Prime95 any more, I was considering folding for a few days instead
Edited by Scorpion667 - 8/22/12 at 1:32pm
    
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post #2404 of 9802
Quote:
Originally Posted by Scorpion667 View Post

I'm not a big fan of Prime95 any more, I was considering folding for a few days instead

Why's that? I am planning on using Prime95 to test CPU and memory stability.
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post #2405 of 9802
IMO you should only fold if you believe to be stable....
 
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post #2406 of 9802
Just preference.

All I do is game and browse on the machine, rock solid stability is not really an issue.
I ran 12 hour blend for 4.7, 4.6 and 4.5ghz to set a baseline. But for my current OC, I kind of ballparked the voltage based on previous blend runs, ran Pirme95 for an hour and it's been running strong without BSOD's for a month.

I have no fear of running high OC's with high volts, but I have degraded some chips by stress testing obsessively (I have OCD).

For reference, I have never had an OC that passed a 1 hour blend run EVER BSOD in everyday usage on this chip. In fact I never had issues with BSOD at all. I just do 12 hour runs for 3 overclocks, let's say high, medium and medium-low and monitor how the voltage requirement changes based in frequency which helps me do a pretty good job at ballparking what my chip needs for non tested frequencies.
Edited by Scorpion667 - 8/22/12 at 2:31pm
    
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post #2407 of 9802
Then why would you fold? lol. Folding is more punishing than prime.
 
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post #2408 of 9802
Quote:
Originally Posted by deafboy View Post

Then why would you fold? lol. Folding is more punishing than prime.


I would never fold unless someone else is paying me to draw 1600w plus hour after hour rofl.


I'll do it for a week for the yearly OCN competition but beyond that... lol.
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post #2409 of 9802
Quote:
Originally Posted by deafboy View Post

Then why would you fold? lol. Folding is more punishing than prime.

It's a good stress test, and temps are lower than prime95 in my case =)
    
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post #2410 of 9802
Quote:
Originally Posted by Scorpion667 View Post

Love the results!
Yeah I've been getting into setting up my profiles for maximum efficiency also.
I am going to try lowering VTT, VCCSA and PLL.

I was curious however, with the 4.1 profile you are using, is your RAM still at 2133? If so, your IMC is impressive for only needing 1.04v. I think mine is sitting at 1.075v but will try 1.05 =D

Are you folding to test stability? I'm not a big fan of Prime95 any more, I was considering folding for a few days instead

No I have it down to 1866mhz for the 4.1Ghz profile. No benchmarking is going on when this profile is set, so I lowered it for the much lower voltages. Like to get the same timings at 2133mhz I need DRAM voltages over 1.45v. For 1866 I can lower them to 1.26v.

Yeah after I run a few tests, folding is the last one. If it's stable folding then it's stable doing anything. I don't only fold to test stability, but I do use it as the final test.

Ran those same voltages from my last pic with HT-disabled and after a little while of folding max core temp was only 52C. Looks like HT consistently puts out an extra 5 degrees more heat per core for me at the same voltages. How's it affect temps for you?
Edited by dph314 - 8/22/12 at 2:49pm
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