q6600 wont overclock for sh#$

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assassin37

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May 1, 2008
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So i just upgraded with a p5n-d 750i mobo,q6600,4 gig plain corsair xms 2 gig modules w/heat speaders, zalmann cpu cooler (its a good one),but kept my sli'd 8800gt's ,i cant get a stable overclock above 2.6. I had an a8n32sli w/ 4800+.So is the ultra xfinity 500 watt causing all the trouble?
Also am using nzxt lexa w, 7 fans, lighting,2 sata raptors,2 dvd, maybe 500 watt is getting pushed even on 2 12v rails
 
It's possible the PSU isn't capable of supporting it all. But you should be able to get to 3ghz on less then 1.3v which about stock.

What do you have the cpu voltage at?
 
That is a little odd.

Even my B3 runs 2.7Ghz at 1.15v bios
I run a shint 650w coolermater PSU, 4 sticks, hdds, water, 8800gts 320

Id say try unplug one gfx card and only run one hdd. If u get better results its the psu. Assuming u actually KNOW how to OC :)
 
its the motherboard. friend of mine landed that board, found some setting's on asus' forum where a guy got it to 3 ghz using very specific settings. i havent had a go at it yet, but he ran into nothing but trouble too.
 
Yeah Lucius has a point. You should be able to overclock to 3.0ghz without adjusting the voltage. So I really can't see how the PSU can be realted. I can underpower my q6600 and still run stable at.3.0ghz.

I'd remove/disconnect everything that isn't essential and see what happens. Also check which stepping your CPU is. If it's G0 it shouldn't be a problem. B3's are much worse for overclocking.
 
i adjusted all voltages from 1.24 to 1.38 and tested,but cant believe i forgot to try just 1 gpu,if that doesnt work i guess my mobo sucks at oc'ing, thanx guys
 
CPU will still pull more wattage when it's overclocked, so I wouldn't rule out a bad PSU just yet. In fact, if you don't have a good PSU, you risk burning out your whole rig and costing you more than you would have buying a better PSU. So I'd upgrade it in either case :)
 
Doh i completely forgot about that. Sure the voltage is the same, but the current draw increases. So yeah PSU being too weak is becoming more then a hunch.

Since my PSU is 750watts it's no wonder i had no issues.
 



I second this. Ultra sucks. They have a wide array of problems to include giving out at only 50% of their rated max when current draw is high. Swap out that PSU wether it's part of the problem or not! Your wallet will eventually thank you for it, you can mark my words on that. Also the 750i is a known inferior overclocker even though it can be done.
 


http://www.hardwaresecrets.com/article/534 - "How Much Power Can a Generic 500 W Power Supply Really Deliver?"
 
Wow the PSU in the article is horrid. 250watts but labeled to be able to produce 500watts? Isn't that consider false advertisement? Ew and the dirty voltage too. blech.
 

Yep. I remember this one Ultra PSU was labeled as 750W but actually did only 400W max.
 
Besides that... If you look at the Asus - Power supply caculator it saids you need 650W to run everything stable.. But if you do the same factors and use, a different power supply caculator it comes up different. I belive that it may have something to do with the Asus motherboard. I think you have to have more then enough efficent power to run the motherboard stable at a overclocked (high speed). - Same thing has been happenening to me. I Have a OCZ GameXStream 1010W comen in a couple hours from UPS, Newegg has em on sale for $150 right now - $206 plus a mail in rebate, free shipping. ill tell you if its better when i hook it up.
 
yo.....
gonna be like ohhh **** no way never thought of that...
set your LDT Frequency to 3x make sure its not on 5x.. Wish I woulda knew that alot damn earlier to.
 
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