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Completely new to overclocking. All help Appreciated.

post #1 of 8
Thread Starter 
I just got a deal on craigslist and would like to overclock but i've never done it before. heres the rig

i7 920 with corsair h50
12 gb gskill ripjaw 1333
900w rocketfish PS
evga gtx 570
evga sli le mb
90 gb sd
1 tb wd caviar black
antec 900 2 v3 case

i've got evga oc scanner, precision, and eleet. Also coretemp, cpuz, gpuz, and linx. I also know how to get into the bios. I understand that the clock x the multiplier gives you your overall clock but thats about it. Right now I am running dummy oc from the bios and am at 3.4ish ghz, but I'm guessing theres a better way to oc. I haven't found any resources that are easy to understand.

Also I tried oc'ing the gpu using evga precision and i got to 800 core and 2050 memory before it was crapping out on the oc scanner gpu test. There's two more slots for fans in the case that I think will help. The side one and the one that mounts near the hard drives.

thanks again for any help.

ps. wasn't sure where to post this. If I should post somewhere else lemme know.
Edited by tedstriker - 7/19/11 at 11:58am
post #2 of 8
With water-cooling, maybe attempt to go to 4GHz?
I've not had experience with the i7-9xx series of CPUs when overclocking, but I've heard that 4.3-4.7GHz is their limit.
post #3 of 8
Thread Starter 
so do i just up my core clock a bit at a time and test it with linx or prime 95? is the core clock more stable at certain intervals? are there any other settings i need to change?
post #4 of 8
Quote:
Originally Posted by tedstriker View Post
so do i just up my core clock a bit at a time and test it with linx or prime 95? is the core clock more stable at certain intervals? are there any other settings i need to change?
You'll need to change vcore (CPU voltage) the more you overclock.
Increase the voltage a little, then keep adjusting the multiplier until it fails to boot, then repeat phases 1 and 2.
When you've got the clock as high as possible, or if you've reached max temp/voltage, stress test it.
If it crashes, lower the clock a bit. If it crashes again, lower the voltage, and continue doing so until it stops crashing.

EDIT: Monitor the temps! Don't let them get above 80c, and don't over-volt the CPU; whatever you feel most comfortable at. Most people tend to stop at 1.45-1.55v.
Edited by Z13 - 7/19/11 at 1:23pm
post #5 of 8
Thread Starter 
awesome thanks for that. i haven't hit 80 with my cpu yet but my gpu gets to 85, is that too high? when googling i see 95 is ok for a gtx 570.

also can i overclock the gpu in the bios as well or is evga precision an ok way to overclock?
post #6 of 8
Quote:
Originally Posted by tedstriker View Post
awesome thanks for that. i haven't hit 80 with my cpu yet but my gpu gets to 85, is that too high? when googling i see 95 is ok for a gtx 570.

also can i overclock the gpu in the bios as well or is evga precision an ok way to overclock?
I presume you will be able to overclock the GPU in the BIOS (not my strong point, more of a CPU person :/) and that graphics card should be OK below 100c, I've known people OC their GTX570 and get to about 102c without problems.

Good luck with your overclock!
post #7 of 8
Thread Starter 
what about all the other settings in the bios? i know i don't need to mess with them now but will learning about them and tweaking them provide much more performance?

thanks!
post #8 of 8
Quote:
Originally Posted by tedstriker View Post
what about all the other settings in the bios? i know i don't need to mess with them now but will learning about them and tweaking them provide much more performance?

thanks!
Tweaking some, like BCLK, can cause system instability. But if you get it to the right amount, it makes your overclock go a bit higher.
You could also overclock your RAM.
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