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i5 760 95W Help overclocking

post #1 of 5
Thread Starter 
Ok trying to overclock my old mans pc for him.. having great trouble.... I have even put 1.36v through it to try and get it stable @ 4.0GHz on intel burn test and its not having it..

Settings so far are

bclk 211
ratio 19
vcore 1.36
cpu pll 1.85 ( tried playing with this makes no difference )


RAM NOT OVERCLOCKED


Whats the max Vcore i can put through this cpu btw?

.
Edited by rchads89 - 2/21/11 at 5:20am
post #2 of 5
211 is getting up to a pretty high baseclock for that chip. I had a h$!! of a baseclock hole at 204 that took a serious bump to the VTT to get out of. I'd suggest trying for 191 X 21 or 200 X 20. And actually I'd suggest to load optimal defaults and run Prime 95 small to find the stock load voltage in CPU-Z. Set the 21(or 21) ratio. lock in the VTT to 1.3v, PCH to 1.05v, PLL to 1.8v, Lock in the stock voltage (adjust for vdroop) and slowly walk up the baseclock making min. adjustments to vcore as needed. Once you get to where your going (191 or 200) lower the VTT down as much as you can keeping the VTT within .5v of the DRAM Voltage.

Max vcore ?? I've put 1.54Xv threw mine and it's still ticking. I'd suggest keeping it under 1.4v for 24/7 use though.
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Monster IIr
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Tinker
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post #3 of 5
what is your Vtt? When you juggle too many variables, it can create big head-ache as to what is failing you. My recommendation, get a goal of 4.0 Ghz with 20 mult X 200 BCLK. First find your Vtt sweet spot with low mult (like 13) and increasing your BCLK by 10 Mhz. I am guessing it will be around 1.2V (but always better to find your own). Then back your BCLK down to 150 or 130, increase your mult to 20. Then start increasing your BCLK again to find your Vcore sweet spot. I am guessing you have RAM at 1:1
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post #4 of 5
Go for 191x21
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post #5 of 5
When I was overclocking, for some reason I could not go past 20 multiplier. The only way I can go past 20 is if my BCLK is lower than 150. Never could figure out why. But I was able to achieve what I wanted at 20 multiplier.
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Wife's bane
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Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
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