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Q6600 overclock to 3.0 - 3.2 Ghz - Page 6

post #51 of 94
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At 2nd small FFT run the computer crashed.

Increased CPU volts to 1.45V.

Running Prime95 again.
post #52 of 94
You will probably need 1.5v V-core in bios for 3.4GHz. That would give you 1.44v under load or something?
    
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post #53 of 94
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Quote:
Originally Posted by turrican9 View Post
You will probably need 1.5v V-core in bios for 3.4GHz. That would give you 1.44v under load or something?
Yes, I would expect that...

Just finished 25 minutes running small FFT, no errors and 15 minutes of Blend also completed with no problems.

I'll see how I go now towards 3.4Ghz. Considering that temperatures are still below 50 Celsius I wonder how far I'll reach!
post #54 of 94
Quote:
Originally Posted by helipilot View Post
Yes, I would expect that...

Just finished 25 minutes running small FFT, no errors and 15 minutes of Blend also completed with no problems.

I'll see how I go now towards 3.4Ghz. Considering that temperatures are still below 50 Celsius I wonder how far I'll reach!
As long as your max 24/7 temps does not go over 75C for hottest core you're perfectly fine And even if one core goes to 80C for a few hours when stability testing you should be fine.

Just stay away from that crappy IBT, and you will reach much higher speeds, and stable. Prime 95 is the way to go
    
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post #55 of 94
Thread Starter 
Quote:
Originally Posted by turrican9 View Post
As long as your max 24/7 temps does not go over 75C for hottest core you're perfectly fine And even if one core goes to 80C for a few hours when stability testing you should be fine.

Just stay away from that crappy IBT, and you will reach much higher speeds, and stable. Prime 95 is the way to go
Thanks mate, will do.

Now, one thing I was wondering... Do I need to worry about NB and FSB overvoltage control? I have just tried 8x425 with 1.5V and had a blue screen as I was opening Prime95. This makes me wonder if I am not taking something into consideration as 1.5V is quite a big jump from 1.45V. I would expect it to work just fine at this stage...
post #56 of 94
Quote:
Originally Posted by turrican9 View Post
And even if one core goes to 80C for a few hours when stability testing you should be fine.
A G0 Q6600 has a Tjunction of 90C,so 80C would be too hot..

Keep your core temps under 70C at all time (75C absolute max)..

CHEERS..
     
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post #57 of 94
Quote:
Originally Posted by helipilot View Post
Thanks mate, will do.

Now, one thing I was wondering... Do I need to worry about NB and FSB overvoltage control? I have just tried 8x425 with 1.5V and had a blue screen as I was opening Prime95. This makes me wonder if I am not taking something into consideration as 1.5V is quite a big jump from 1.45V before when running @ 3.2Ghz and I would expect it to work fine at this stage...
I am not too familiar with the Voltage requirements of the X48 chipset and FSB speeds. I think it need more Volts VS Intel P45. So try to increase NB MCH. For FSB Volts. For FSB volts, I don't think you should need more then 1.3v
    
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post #58 of 94
If we should follow Intel's recommendations on everything, we would not even be allowed to overclock our systems at all. Lol! This is OCN
    
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post #59 of 94
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Quote:
Originally Posted by KingT View Post
A G0 Q6600 has a Tjunction of 90C,so 80C would be too hot..

Keep your core temps under 70C at all time (75C absolute max)..

CHEERS..
It says 100 Celsius on CoreTemp...

It doesn't matter because my H70 fans would be running way too fast and the noise is incredibly loud at 1800rpm.

My idea is to reach up to 3.6Ghz and I'll be happy. After that I'll try more but if temps are high, lets say around mid 60s, I'll see how bad the noise is and decide what I want.
post #60 of 94
Thread Starter 
Quote:
Originally Posted by turrican9 View Post
I am not too familiar with the Voltage requirements of the X48 chipset and FSB speeds. I think it need more Volts VS Intel P45. So try to increase NB MCH. For FSB Volts. For FSB volts, I don't think you should need more then 1.3v
Ok...

Increased NB MCH to +0.050, and currently Vcore @ 1.51V. Had a blue screen during Prime95. I can't tell what my FSB is as my BIOS only shows how much I can add...

What would you consider as a maximum Vcore before I fry my Q6600? Or it doesn't matter as long as I keep it cool? H70 seems to be doing a great job with temps still below 50 Celsius...
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