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Overclocking CPU

Hey guys! I need some help on overclocking my cpu. For some reason I can't push it past 3.9 ghz no matter how many voltages or ram timings I change/alter.
My specs:

G.SKILL PI 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL6T-6GBPI
(I have 2 of these so 12 gigabytes total and 6 sticks in tri channel)

EVGA 132-GT-E768-RX LGA 1366 Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

LGA 1366 Q950 I7 processor
With CORSAIR H100 (CWCH100) Extreme Performance Liquid CPU Cooler

Rosewill BRONZE Series RBR1000-M 1000W Continuous@40°C, 80Plus Bronze Certified

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I turned off Vdroop and turned off speedstep and all that other stuff. I have hyperthreading on but I don't think that should matter....

My current ram timings are 7-7-7-20 2T with 1.6 volts
My CPU volt is at 1.2 volts
That is all the voltages I have tampered with.

Of course the MCH strap is under ram setting ratio.

Thanks for the help!!!
9 answers Last reply Best Answer
More about overclocking
  1. Oh and ionno if this should matter but I have 2 msi gtx 580 lightning xtremes in SLI mode
    And the ram frequency is at 1657 with my current CPU being at 3.8 ghz.
  2. Best answer
    Lower the Ram speed back to stock 1600 or 1333 and Push the FSB or Multi till you hit 4ghz, might be the ram holding your 4ghz back.

    Also if you OCing the ram, you will probably need to try 9-9-9-24 or something similar.
  3. Sweet! Thanks Viking! I got the clock speed to be stable at 8-8-8-20. With 1.6 volts for dram. However, I was messing with the Vcore and at the moment its at 1.27 since 1.25 gave me a bluescreen... What do you think a good voltage would be at?
    Oh! And my cpu is at 4.36 at the moment!!! Hahahaha seems like ram was the issue....


    Thanks again for your help!!!!
  4. That's a lot of voltage (IMO) for your ram, I really don't like going that high. But, you won't smoke it at 1.6.

    I don't like going past 1.3 volts for the CPU, but many people run at 1.5 plus with heavy cooling, successfully. What kind of core temps are you getting right now?
  5. Hey! So at the moment my CPU is at 27 C. That's at Idle of course, ionno what its at with full stress. But I'm pretty sure it doesn't go over 50... It says my CPU Vcore is at 1.29.. Weird, even though I set it at 1.275 in bios it says in CPUID its at 1.29.... Oh well. Dram is at 1.67 volts... Thats a little high, but then again the sticks that I did purchase say that in regular voltage they run at 1.6.
  6. CPUz will always differ from bios a bit I have noticed.

    run prime95, and see how warm the CPU is getting underload, and it will also test how stable your OC is.
  7. I'm using CPUID. I'm a little worried.. Seems my DRAM is a little high... It's at 1.69 Volts

    G.SKILL PI 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL6T-6GBPI
  8. and11590 said:
    I'm using CPUID. I'm a little worried.. Seems my DRAM is a little high... It's at 1.69 Volts

    G.SKILL PI 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL6T-6GBPI



    1.69v isn't going to hurt the Ram, DDR3 can take up to 2.0+ volts and be fine, I don't recommend it tho, but you will need to watch the temps of the ram, even with heatsinks on the ram they can sometime run hotter then without the heatsinks, Only way to test the temps is with a temp gun of some sort.

    My ram stock v is 1.5v and I had them at 1.74v to run Prime95, never even hurt it, and the heatsinks on mine really don't work well, lol

    ^Now I got that out of the way.

    Most of the time you only want to clock 1 thing at a time, like just CPU, if you do raise the FSB lower the ram speed so that you know that the ram won't potentially make your CPU unstable, I Don't know much about OCing the i7's as I own AMD, but I do Know ram can hinder an overclock making you think that the CPU is to blame, on both platforms.
  9. Best answer selected by and11590.
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