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Overclocking the Intel Core 2 Quad Q8200 M1

post #1 of 9
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Hello OCN.

So I have been trying to overclock my CPU for a while. First I got it to 3.3 Ghz, but found out that it just didn't lasted many hours in my games. Though max temperatures were not more than 62 degrees Celsius. So now I got it down to 2.7 Ghz, but that seems quite silly. I know the CPU ain't really good for overclocking, but can anyone give me some thought of what is reachable with it please. My computer is the one in my signature, revision of my CPU is M1.
Mr. Cablemess
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post #2 of 9
What voltage and nbvoltage did you use to get to 3.3ghz?
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C2D E6600 @ 3.71ghz | q6600 @ 3.8ghz P5N-E Sli | P5Q XFX HD5770 | HD5850 6gb G.Skill (900mhz) | 4gb Patriot (1000mhz) 
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Rocketfish 550w x2 Thermaltake V3 | Haf 912 Razer Abyssus Steel Series 
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post #3 of 9
When I saw "Q8200 OCing" I immediately thought about the motherboard limitations. These CPUs must be able to go over 3GHz stable if the motherboard helps them, which isn't obvious due to the high base FSB. If your CPU is ok @3.3GHz, but fails after many hours it may be something else that heats up: chipset and/or VRM. You should try placing a fan to circulate the air above the NB (as it is linked to all other chips) and see if that changes anything @3.3GHz - normally it should stabilize the OC.
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post #4 of 9
Thread Starter 
I used 1.4 and 1.66xxx (highest possible to a successful bootup), but just toke bit more time for 1.66xxx to fail on one of the cores in Prime95.
Mr. Cablemess
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by dragosmp View Post
When I saw "Q8200 OCing" I immediately thought about the motherboard limitations. These CPUs must be able to go over 3GHz stable if the motherboard helps them, which isn't obvious due to the high base FSB. If your CPU is ok @3.3GHz, but fails after many hours it may be something else that heats up: chipset and/or VRM. You should try placing a fan to circulate the air above the NB (as it is linked to all other chips) and see if that changes anything @3.3GHz - normally it should stabilize the OC.
What temperatures do you recommend for motherboard? Mine didn't really change and was kinda constant 28 degrees Celsius. Maybe 27 or 29 sometimes - but never 30 or more.

Also what is 'VRM'?
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post #6 of 9
Thread Starter 
Quote:
Originally Posted by hellfire72 View Post
What voltage and nbvoltage did you use to get to 3.3ghz?
I used auto voltage for North Bridge.
Mr. Cablemess
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post #7 of 9
you should try bumping down the volts and increasing the FBS...i went up .02Volts on my core 2 duo and 100mhz on my FBS to get it from 2.93 - 3.85ghz
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post #8 of 9
You need a very strong board to get a good Q8xxx overclock. I have a Q8300 currently in tuning and after 3 other boards, a Gigabyte EP65 UD3L was the only board that could make it go. HUGE difference from one board to another. Right now I've passed 3.6 and testing at 3.7/1.35V, other boards couldn't even get 3.0 stable with this chip.
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by 2thAche View Post
You need a very strong board to get a good Q8xxx overclock. I have a Q8300 currently in tuning and after 3 other boards, a Gigabyte EP65 UD3L was the only board that could make it go. HUGE difference from one board to another. Right now I've passed 3.6 and testing at 3.7/1.35V, other boards couldn't even get 3.0 stable with this chip.
And how many multipliers does a Q8300 have? Because mine only got 7, so need to have really high FSB - which makes it crash. Currently running 384 because I saw on tomshardware.com that it was a stable clock. And haven't got any porblems since, but just seems as such a low one
Edited by Hokrollo - 3/6/11 at 4:59am
Mr. Cablemess
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