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OverClock Q6600 on P5N-D

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March 25, 2011 5:58:59 PM

Hello everyone :)  I know my CPU is kinda old but it does the job ;) 

Reason Im overclocking is because I have an AMD 6870 GPU and I thought the stock CPU 2.4 Ghz wasn't cutting it!

Im fairly new to overclocking but I have my system stable at 3.0 Ghz

CPU- Intel Q6600 (G0)
Mother Board- Asus P5N-D
Bios- v1401 (newest)

Current settings are-

FSB 1333

RAM 800---------------Not worried about RAM timings because that confuses me ;)  haha.

Voltages

Vcore 1.32500

Dram Auto

HT 1.3

NB 1.3

SB Auto (1.5)

Temps on IDLE are about 34 degrees Celcius

and 100% LOAD using Prime95 evened out at 56 degrees Celcius.

Good temps??

Oooooh and also my VID is 1.1625v according to Core Temp.

I want to get it to 3.2 Ghz but its not working :\

So Im asking you fine people for help :) 

What steps would you recommend? Thanks in advance :) 

More about : overclock q6600 p5n

a c 88 à CPUs
a b K Overclocking
March 26, 2011 4:41:43 AM

i would just leave it at 3ghz, you wont get much more from the extra .2ghz. Once you get past 1333 fsp your also overclocking your motherboard too so northbridge voltage may need to be bumped up. Also set your ram manually to 800mhz. you may just need more cpu voltage, cant remember what is safe for those cpu's. but yeah, should be fine at 3ghz. this program is easier to use http://sp2004.fre3.com/download.htm and you can load it up multiple times 1 to stress each core. prime95 only runs on 1 core.
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a c 172 à CPUs
a c 197 K Overclocking
March 26, 2011 3:28:27 PM

VID of 1.1625 volts = a very nice chip. With a decent cooler, you should be able to hit 3.6 GHz with this chip.

This should be your first stop.
Core2 Overclocking Guide
http://www.tomshardware.co.uk/forum/259899-11-core-over...

Next stop should be a guide for your particular motherboard. Google is your friend.

Go through the guides. Then take your core voltage off Auto and set your memory voltage to factory recommended values. Change the System Memory Multiplier (or whatever your BIOS calls it) from AUTO to 2.00, 2.00B, or 2.00D - whichever you need to set the Memory Frequency to twice the FSB. Then when you increase the FSB, the memory clock will rise in in proportion with it. At an FSB of 266 MHz, your memory clock should be at 533 MHz.

The nvidia chipsets work a little differently.
680i overclocking guide
http://pc.ign.com/articles/747/747606p3.html

The 700i series is just a 600i that has been modofied to be compatible with the 45 nm Core2 quads.

So, at 3.0 GHz, your FSB freq will be 333 MHz, your FSB clock will be 1333 MHz (4XFSB), and your RAM clock should be 667 MHz for a 1:1 FSB:RAM ratio.
With your memory settings on Auto, at 3.0 GHz, your RAM is running at DDR2-1000 RAM speeds:
(333/266*800)=1001 MHz.

Your RAM settings are limiting your overclock.

Your present vcore settings and load temps indicate that you still have a fair amount of OC headroom.

Do not exceed vcore of 1.50 volts or load temps of 70 C.

iam, Prime95 has always supported multicore processors. Earlier version were a bit of a PITA to set up, but the later versions automagically run on all the avaible cores.
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March 28, 2011 3:00:04 AM

Okay Thank you for the advice. I just left it at 3.0 Ghz because I got tired of fiddling with it. lol ;) 

But I did change my RAM settings to what you suggested and it worked.

So thank you :) 
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a c 172 à CPUs
a c 197 K Overclocking
March 28, 2011 1:29:45 PM

Welcome.
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April 10, 2011 7:36:59 PM

Best answer selected by MrSpree.
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