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help me overclock my i7 950 to 4ghz

post #1 of 42
Thread Starter 
hi guys. I've been trying to overclock my i7 950 for hours and I can't get it fully stable. I've just got this intel rig last night(from a 1090t) and overclocking is a LOT different from my previous amd chip.

what settings should I try. I don't want the most efficient overclock ever.I'm more than happy on just a stable 4ghz overclock or more. my rig is on my sig. btw im on my laptop now running my i7 950 on prime @4ghz which I think will fail within minutes. any help will be greatly appreciated. I want to OC this properly the leave prime95 or IBT running. (it's almost 12am here)



UPDATE:


hi guys. since my last post i've been running prime for 6 hours straight. so far so good. I think I have a stable overclock now



all I did was enable level 2 LLC. increase my voltage to 1.325v, QPI to 1.35v, ram voltage to 1.66v I've been running it for 6 hours now. should I stop it and shoot for a better overclock or keep it running for 12 hours just to be sure?


UPDATE 2:
got it to 4.1ghz now and I think it's as stable as a rock . thanks guys.
Edited by jprovido - 10/29/11 at 2:47am
post #2 of 42
Thread Starter 
deleted
post #3 of 42
you can use the suggested settings here . . .

http://www.overclock.net/intel-cpus/...-read-245.html

post# 2446

Note: this setting is for 4.2GHz. you can back down the blck for 3.8, 4.0 so on and so forth. GL.

ALWAYS KEEP AN EYE AT YOUR TEMPS. CPU, CORE, SYSTEM, AND VREG OR NB
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Second Intel Rig
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post #4 of 42
I have a 950 in my work pc i'm on right now at 4.025ghz 175x23 1.250v . Give qpi/vtt 1.350v and thats it. Mite need a little more or less Vcore.
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post #5 of 42
Thread Starter 
Quote:
Originally Posted by rdr09 View Post
you can use the suggested settings here . . .

http://www.overclock.net/intel-cpus/...-read-245.html

post# 2446

Note: this setting is for 4.2GHz. you can back down the blck for 3.8, 4.0 so on and so forth. GL.
wow thanks. this was what I exactly needed. there's so many adjust in oc'ing this unlike my phenom II where I just increase the multiplier and the vcore @_@. +rep
post #6 of 42
Thread Starter 
Quote:
Originally Posted by Hambone07si View Post
I have a 950 in my work pc i'm on right now at 4.025ghz 175x23 1.250v . Give qpi/vtt 1.350v and thats it. Mite need a little more or less Vcore.
thanks for the OC settings. this is really helpful

i think I got that qpi thingy at 1.405 volts atm. is that too high?
post #7 of 42
Just a side note, some of the later i7 950's needed a LOT more vCore than the earlier ones, so don't be surprised if you need to put up to 1.4v or maybe a little more through it to get it stable, some of the later D0 chip's overclocking ability was close to the C0s than the original D0s unfortunately.

EDIT: Looks like I got in a little late! You must have one of the earlier 950s! Those things are great clockers!
Edited by DirektEffekt - 10/28/11 at 8:23am
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post #8 of 42
Thread Starter 
btw my temps are the following. I've been running prime on my oc setting @4ghz (which is most likely to fail any minute now) is at 74-78 degrees. is that ok?
post #9 of 42
Yes. You have only 6gigs of 1600mhz. I have 12gigs all 6 slots filled with 1600mhz and 1.350 works great. For 2 years now on these settings beating the hell out of my chip doing renderings and 3d design. Try just what I said and that's it. Everything else on auto. Try that before trying any other guides. I bet it works!!

I have a Coolermaster V8 on mine and it hits mid 70's under prime. It's fine, don't go into the 80's.
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RAMHard DriveHard DriveOptical Drive
Corsair Vengence Pro 32gig 2400mhz c11 red (4x8... 6x 256gig (1.5tb) in Raid 0 , OS / Gaming Drive 2 x Liteon 256gig (512gig) storage drives Asus Dvd-RW 
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Red X9
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RAMHard DriveHard DriveOptical Drive
Corsair Vengence Pro 32gig 2400mhz c11 red (4x8... 6x 256gig (1.5tb) in Raid 0 , OS / Gaming Drive 2 x Liteon 256gig (512gig) storage drives Asus Dvd-RW 
CoolingCoolingCoolingOS
2x 360mm Alphacool XT45 / 1x 480mm Alphacool Mo... EK X-Res 140 D5 vario Pump/Res combo + EK X-top... EK Supreme HF cpu / EK Acetal / Nickel with Nic... Windows 8.1 64bit 
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Asus ROG Swift 27" 144hz with G-Sync Samsung 65" 7150  Logitech G510s Corsair AX1200 
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post #10 of 42
Thread Starter 
Quote:
Originally Posted by Hambone07si View Post
Yes. You have only 6gigs of 1600mhz. I have 12gigs all 6 slots filled with 1600mhz and 1.350 works great. For 2 years now on these settings beating the hell out of my chip doing renderings and 3d design. Try just what I said and that's it. Everything else on auto. Try that before trying any other guides. I bet it works!!
im at bios now. ima try it now
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