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I know its old news to everyone Q9650@4ghz

Kian

Kian

Kian

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Joined
29 Dec 2009
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21
I know its old news to everyone Q9650@4ghz. but this is the first time ive got my cpu stable on ibt at 4.077ghz
These are my settings. please feel free to offer advice on volts. i know there quite high but its stable at these at the mo, and after all i am still learning
http://i559.photobucket.com/albums/ss35/DarWhisper/100_0947.jpg
http://i559.photobucket.com/albums/ss35/DarWhisper/100_0948.jpg
http://i559.photobucket.com/albums/ss35/DarWhisper/100_0949.jpg
temps are around 55c-60c fully loaded
 

MaxP779

MaxP779

MaxP779

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2 Mar 2009
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Location
Glasgow
Nice one. For a totally solid stable rig i think 24 hours, as errors can show up after 16 hours apparently. Seems the hell of a long time but its what wiki says.
 

PaulyD

PaulyD

PaulyD

Soldato
Joined
24 Mar 2008
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4,654
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High Wycombe
Indeed, Q9650 @ 4ghz is extremely common.

DarkWhisper, up your NB volts to get past Det DRAM, should do the trick unless they are already really high now (1.4v+)

I used to run my Rampage Extreme at 1.65v on the NB to get 490fsb on my Q9650 but that was under water
 

kppanic

kppanic

kppanic

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23 May 2008
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420
I agree, Q9650 was one easy OC to 4.0GHz :)

Only thing I had to fiddle was the PLL and vNB, just a little patience and some trial-and-error.

Run prime for at least 12 hours, and also try blend. I found that with my board, the CPU was OK but it was more strain on the NB and the RAM, having all 4 slots populated. Small-fft passed 2 days no problem but blend was little more trickier.
 

kppanic

kppanic

kppanic

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23 May 2008
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420
DarkWhisper said:
how many runs of ibt would you need to do?
Click to expand...

Different thoughts on this, I've read somewhere from 10 to 50 lol...
Some even say that you can gauge 1 IBT run = 1hr of Prime.

What I did with mine was when my prime was stable 3 days, I ran 50 IBT tests. Took a bit, esp with 8GB of RAM.

Maybe run 10-15 loops. That'd probably be safe.
 

Rroff

Rroff

Rroff

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13 Oct 2006
Posts
91,053
20 times on IBT usually is a good indication and IMO as good as 8 hours of priming easily.

On 50 loops you will probably get some random failues due to the sheer stress even on an overclock thats as stable as the stock settings. i.e. you could run 50 passes 100 times and pass only 99 times.
 

kppanic

kppanic

kppanic

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23 May 2008
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420
Rroff said:
20 times on IBT usually is a good indication and IMO as good as 8 hours of priming easily.

On 50 loops you will probably get some random failues due to the sheer stress even on an overclock thats as stable as the stock settings. i.e. you could run 50 passes 100 times and pass only 99 times.
Click to expand...

err

you could run 5 passes 100 times and pass only 99 times... Does that mean it's more or less stable than 50 passes? :p

If it runs 99 times out of 100 50 passes it is a good indication that it is pretty stable. :D Especially when you said it would even fail at stock.
 
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