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i7 2600K - Reasonable settings and temp? - Page 4

post #31 of 108
Quote:
Originally Posted by rdasch3 View Post
I watched one newegg video with an overclock guy from asus and that was it. Read a few guides, and many posts here. Overclocking this chip was the easiest I have done. First build was a 775 and then I went to the first i7 (had to up to sandy bridge because psu problems), and I could never really push those too far. They were complicated, but at the same time, I do not think I took the time to overclock as I have my 2600k.
Oh yeah, I know which video you're talking about! That is Juan Jose, the Senior Technical Marketing Specialist at ASUS!

Just in case you have your doubts that I know which video you're talking about, here it is:



hehe.


Quote:
Originally Posted by rdasch3 View Post
I normally just have trouble sleeping when overclocking. I get so into it, and I hate leaving my computer to test just to see it fail in the morning, so I try to get it stable and leave one day to just sit and watch it test basically.
Oh man, I know exactly what you mean.
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post #32 of 108
Thread Starter 
Well, after some further testing I've managed to get the following settings stable.

Code:
CPU Settings
----------------------------------------
CPU Multiplier: 46 [MANUAL]
VCORE.........: 1.370v [OFFSET: +0.030v]
LLC...........: Level 3 [MANUAL]
DRAM..........: 1.650v [MANUAL]
PCH...........: 1.059v [AUTO]
VTT...........: 1.150v [MANUAL]
PLL...........: 1.548v [MANUAL]
SA............: 0.925v [AUTO]

DDR Settings
----------------------------------------
Clock.........: 1600 [MANUAL, AUTO gives 1066? :S]
Timings.......: 9-9-9-24-1T [MANUAL]

GPU Settings (as I currently use Intel HD 3000)
----------------------------------------
iGPU Voltage..: OFFSET +0.000v [AUTO]
GT Voltage....: OFFSET +0.005v [MANUAL]
GT Clock......: 1200MHz [MANUAL] (Pending further increase and testing)
Seems good? Any suggestions?

My max temperature on a core reaches 75C under Prime95/OCCT/LinX.
Edited by Ixel - 8/12/11 at 2:44am
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post #33 of 108
One of the guides I read recommended overclocking the processor with the lowest memory settings (1333) and then to up the vcore from there for the processor overclock. After that it stated to put the memory up to its specification and up the memory voltage (i forget what its called in the bios, I think its vccio) until it is stable. Might be able to lower the voltage a bit that way, I have no idea.

Pll voltage seems low, but if you can get away with it.

Also, my 4.5 clock is on 1.31 volts. Thats a big jump to 4.6. I am not saying it should be exactly mine, but I would think it would be around that range.
Edited by rdasch3 - 8/12/11 at 4:43am
post #34 of 108
Thread Starter 
Quote:
Originally Posted by rdasch3 View Post
One of the guides I read recommended overclocking the processor with the lowest memory settings (1333) and then to up the vcore from there for the processor overclock. After that it stated to put the memory up to its specification and up the memory voltage (i forget what its called in the bios, I think its vccio) until it is stable. Might be able to lower the voltage a bit that way, I have no idea.

Pll voltage seems low, but if you can get away with it.

Also, my 4.5 clock is on 1.31 volts. Thats a big jump to 4.6. I am not saying it should be exactly mine, but I would think it would be around that range.
I see, well with PLL normal or lower I can't get it with less vcore than I am at now, 1.8v (normal) requires +0.010v strangely, I'm currently running it stable at 1.71v~ PLL instead. I'm not sure what else to adjust that might grant me a slightly lower vcore at 4.6GHz. Are you using fixed voltage instead of offset? Any power savings (C1E etc.)? Different LLC level?

And I did the memory at 1333 originally, same timings, lower voltage to VTT and DRAM (standard VTT and 1.575v DRAM).
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post #35 of 108
All my power saving settings are off. I think llc is at deafult but I might up it especially since I am now interested in clocking further.

I am using a fixed voltage. I am not sure what else you could change to get it lower either. It is possible that your chip needs that much for 4.6 but to me it seems slightly high. Sandy stable club has some posts where it is above 1.37 but those are for 4.8 clocks. I would think 4.6 should be able to stay under 1.35 for sure. Don't take me up on that though, because it could easily be required by your chip. Really depends. All chips are different.
post #36 of 108
Thread Starter 
Quote:
Originally Posted by rdasch3 View Post
All my power saving settings are off. I think llc is at deafult but I might up it especially since I am now interested in clocking further.

I am using a fixed voltage. I am not sure what else you could change to get it lower either. It is possible that your chip needs that much for 4.6 but to me it seems slightly high. Sandy stable club has some posts where it is above 1.37 but those are for 4.8 clocks. I would think 4.6 should be able to stay under 1.35 for sure. Don't take me up on that though, because it could easily be required by your chip. Really depends. All chips are different.
It has just occured to me that the slightly higher vcore voltage setting might be partly to do with the PSU I am using currently. I plan to get an expensive reputable make next week, though this PSU seems quite well built and is heavy, like my previous Enermax Galaxy 1000W which decided to claim there was a short/overload and protected itself . Either that or it could be because I'm using a different LLC level, power saving options and an offset voltage (which I've heard are harder to achieve when overclocking the CPU).
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post #37 of 108
I'm a bit puzzled that you need so much vcore to make 4.5ghz stable?

I am running a 2600k with HT disabled which is essentially a 2500k for the purposes of comparison.

Prime runs stable at 4.5 ghz at 1.224 vcore with my temperatures topping out at 59c across any given core.

I have PLL set to 1.8 default btw.


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post #38 of 108
Thread Starter 
Quote:
Originally Posted by Robilar View Post
I'm a bit puzzled that you need so much vcore to make 4.5ghz stable?

I am running a 2600k with HT disabled which is essentially a 2500k for the purposes of comparison.

Prime runs stable at 4.5 ghz at 1.224 vcore with my temperatures topping out at 59c across any given core.

I have PLL set to 1.8 default btw.

Yeah I know, I'm stumped as well. Shall I take some pictures of my BIOS settings for the CPU and RAM so everyone is clear on how I've configured it? Perhaps I've done something stupid which is throwing off the vcore. My only other guess is that it's the PSU I'm using, after all it's not fully EPS compliant, I had to get an adapter for it (8-pin). Hope to buy an expensive one next week.

I might scrap HT, the chances of me using that kind of performance often, even when gaming, are not great currently. Scrapping HT might also allow me to reduce the vcore. Other than video editing software that I have, I can't think of anything else I might use that'll need performance from 8 threads.

Also, for the record unless I've got a duff CPU (though unlikely as it may seem) LinX tests on 1024M gives me an average of 54 GFLOPS.

EDIT #2: Scrapped HT and GLOPS went up to 64, same temperatures still because I haven't decreased vcore yet, I will try decreasing the vcore next.
Edited by Ixel - 8/12/11 at 8:02am
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post #39 of 108
In response to what you are both saying, I wasn't clear with the last statement - sorry

I READ, that it should be at 1.320 - it's not --- It's showing up as 1.096 under CPU-Z

Isn't that way to low??? I am going to take ss when I get home for all of us.
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post #40 of 108
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Quote:
Originally Posted by joealbergo View Post
In response to what you are both saying, I wasn't clear with the last statement - sorry

I READ, that it should be at 1.320 - it's not --- It's showing up as 1.096 under CPU-Z

Isn't that way to low??? I am going to take ss when I get home for all of us.
That could be that voltage reading when the system is fairly idle?
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