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[OFFICIAL] ROG Maximus V Owners Club - Page 86

post #851 of 4012
Quote:
Originally Posted by Systemlord View Post

Quote:
Originally Posted by Swag View Post

You could overclock the RAM a bit more, but in terms of the IMC, not much. IMC is usually stressed with the amount of DIMMs you put in. So 4DIMMs of 1.35vdimm is the same as using 4DIMMs of 1.50vdimm

So my OC of the CPU will be effected if I use 4 DIMMs instead of just two DIMMs?

Yes, but not as much as you'd think. It's minimal. What I'm saying is that the 4DIMMs make a difference over the 2. Some people notice big differences between the two, some nothing. I have noticed on my i7 930 with 6DIMMS vs 3DIMMS is that I can overclock up to 4.6 on it with 3DIMMs and I can run a 4.4OC on it. On 6DIMMs, I can't and the amount of vcore it needs for a 4.0OC was a bit bigger but not significant.

Quote:
Originally Posted by Tjj226 Angel View Post

Hey, not to be a BIOS pest. But I am having a devil of a time trying to get my i7 3770K on the maximus v gene stable at 4.9GHz +. I have messed around with LLC, the PLL, and the VRM thermal threshold while letting the chip run with about 1.45 volts running through it. Now I can boot into windows, and OCCT seems to be stable, but Prime 95 immediately crashes. Any thoughts?

Set you settings like the ones on my guide and enable PLL overvoltage. Try starting from 4.6 and upwards. It's a bit easier to get an idea if your chip can run 4.9 without tons of vcore.
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Swag's Venus
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post #852 of 4012
Quote:
Originally Posted by Swag View Post

Yes, but not as much as you'd think. It's minimal. What I'm saying is that the 4DIMMs make a difference over the 2. Some people notice big differences between the two, some nothing. I have noticed on my i7 930 with 6DIMMS vs 3DIMMS is that I can overclock up to 4.6 on it with 3DIMMs and I can run a 4.4OC on it. On 6DIMMs, I can't and the amount of vcore it needs for a 4.0OC was a bit bigger but not significant.
Set you settings like the ones on my guide and enable PLL overvoltage. Try starting from 4.6 and upwards. It's a bit easier to get an idea if your chip can run 4.9 without tons of vcore.

Wouldn't it be a good idea to set the CPU Vcore to auto and work your way downward in Vcore until you hit instability?
post #853 of 4012
Quote:
Originally Posted by Systemlord View Post

Quote:
Originally Posted by Swag View Post

Yes, but not as much as you'd think. It's minimal. What I'm saying is that the 4DIMMs make a difference over the 2. Some people notice big differences between the two, some nothing. I have noticed on my i7 930 with 6DIMMS vs 3DIMMS is that I can overclock up to 4.6 on it with 3DIMMs and I can run a 4.4OC on it. On 6DIMMs, I can't and the amount of vcore it needs for a 4.0OC was a bit bigger but not significant.
Set you settings like the ones on my guide and enable PLL overvoltage. Try starting from 4.6 and upwards. It's a bit easier to get an idea if your chip can run 4.9 without tons of vcore.

Wouldn't it be a good idea to set the CPU Vcore to auto and work your way downward in Vcore until you hit instability?

Well he is trying to achieve a high OC and starting at a low OC would take forever. And remember, it is harder to get a higher OC stable because the vcore needed is not going to be as linear as when you are doing a low OC. For example, from OCs 4.0 - 4.5, you may need 1.20 - 1.25 respectively, but once you start hitting 4.6 (mid-high OC), you might need 1.30 or more to get that stable. It is good to do what you suggested if your desired OC would be 4.2 - 4.4. Somewhere where stock vcore can run or just a bit more or less.
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Swag's Venus
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post #854 of 4012
Hey! This is my first post on this forum, and what better than post a pic of my new Maximus V Gene!!! biggrin.gif



So please add me to the club! thumb.gif

cheers.gif
post #855 of 4012
Quote:
Originally Posted by Systemlord View Post

So my OC of the CPU will be effected if I use 4 DIMMs instead of just two DIMMs?
I haven't notice any difference when I used 2-4 sticks
Quote:
Originally Posted by Tjj226 Angel View Post

Hey, not to be a BIOS pest. But I am having a devil of a time trying to get my i7 3770K on the maximus v gene stable at 4.9GHz +. I have messed around with LLC, the PLL, and the VRM thermal threshold while letting the chip run with about 1.45 volts running through it. Now I can boot into windows, and OCCT seems to be stable, but Prime 95 immediately crashes. Any thoughts?

Temps ? Not all cpus can be stable at higher speeds for many factors

I've tried to oc mine past 4.7 but temps where bad XD

But it does good at sub zero temps lol
My System
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My System
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post #856 of 4012
Quote:
Originally Posted by DOM. View Post

Quote:
Originally Posted by Systemlord View Post

So my OC of the CPU will be effected if I use 4 DIMMs instead of just two DIMMs?
I haven't notice any difference when I used 2-4 sticks
Quote:
Originally Posted by Tjj226 Angel View Post

Hey, not to be a BIOS pest. But I am having a devil of a time trying to get my i7 3770K on the maximus v gene stable at 4.9GHz +. I have messed around with LLC, the PLL, and the VRM thermal threshold while letting the chip run with about 1.45 volts running through it. Now I can boot into windows, and OCCT seems to be stable, but Prime 95 immediately crashes. Any thoughts?

Temps ? Not all cpus can be stable at higher speeds for many factors

I've tried to oc mine past 4.7 but temps where bad XD

But it does good at sub zero temps lol

Ivy Bridge has a problem running at higher speeds when under higher temps. Like for me, it is impossible to boot over 5.3 with temps that aren't as low as 30C load. I can boot 5.3 fine, but not 5.4. It's basically just what your chip does and how it reacts to temps. For most cases, people just OC up to 4.6 - 4.7. Not any higher because the OC benefit stops at about the 4.5 mark and anything higher is minor.
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Swag's Venus
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post #857 of 4012
Go to sleep swag LOL

but it all ways comes down to temps and if your cpu can handle the oc
My System
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My System
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post #858 of 4012
Quote:
Originally Posted by Tjj226 Angel View Post

Hey, not to be a BIOS pest. But I am having a devil of a time trying to get my i7 3770K on the maximus v gene stable at 4.9GHz +. I have messed around with LLC, the PLL, and the VRM thermal threshold while letting the chip run with about 1.45 volts running through it. Now I can boot into windows, and OCCT seems to be stable, but Prime 95 immediately crashes. Any thoughts?

That sounds like a ton of voltage for an IB. my 2550K only takes a little more than that to run stable at those speeds (1.484v @5 GHz)
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post #859 of 4012
At 1.45v my temps can hit up to 98C running prime in small FFTs. I am not too concerned about it because if you run a blend test, the average temp is about 85C. Plus I think this fear of high temps at max load is a little silly too. You are probably never going to see a load on your PC that mimics small FFTs.

If I were to use OCCT as the main testing running CPU linpack, the max temp was 84C after 30 minutes with 90% of ram being used. Idle temps are around 32C even with speed step disabled.

So in the end I am not too terribly worried. They are definitely something that I am monitoring very closely, but I am more concerned about getting the CPU to run stable. Once I find a stable setting that is simply running too hot for comfort, I will just delid the CPU and be done with it. thumb.gif

My only concern heat wise is that my 1st and 4th core are running about 10C cooler than cores 2 and 3 at idle and about 5 degrees warmer at max. But since I have played around with 3 different CPU cooler and have done 20 or so TIM configurations, I have arrived at the conclusion that it is just the nature of my CPU.
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post #860 of 4012


Here's my MVF.... add me in please smile.gif
At Doom's Gate
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At Doom's Gate
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