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Q8400 & p45-ud3p

post #1 of 13
Thread Starter 
Well never really pushed this chip on my current board. But ive brought myself a UD3P one of/the best 775 motherboards out there. But i only have a Q8400, just spent all my money buying the motherboard itself! But to be honest i'd rather overclock a more budget/cheap chip and get phenomenal clocks with it than have a Q9550 and just say "Yeh 4ghz." I'd rather have the challenge there.

But yeah anyway, when it gets here tomorrow or Tuesday, ill be putting it in my system. But i really want to overclock my Q8400 to its absolute limit's which ive never really been able to do on my P5Q SE2. Just wondering what kind of clocks i should be aiming for? I'm pretty confident i can get some decent clocks, i got 3.5 on my SE2. I'll also post some bios pictures and if a few of you guys will help me out with what settings i should start with and gradually bump up every now and again etc. thanks would be much appreciated, It's the REV 1 UD3P btw. ~Rhys





I mean if i can get 3.5 on an SE2, what kind of clocks will i get with the UD3P? Could i have a golden chip?

Intel burn log results:
----------------------------
IntelBurnTest v2.50
Created by AgentGOD
----------------------------

Processor: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Clock Speed: 3.52 GHz
Active Physical Cores: 4
Total System Memory: 4095 MB

Stress Level: Standard (1024 MB)
Testing started on 24/01/2011 12:28:33 PM
Time (s)Speed (GFlops)Result
[12:29:05] 24.16636.98953.272197e-002
[12:29:36] 23.81537.53523.272197e-002
[12:30:07] 23.80237.55493.272197e-002
[12:30:37] 23.28738.38513.272197e-002
[12:31:10] 24.50936.47193.272197e-002
[12:31:45] 24.15437.00793.272197e-002
[12:32:23] 25.56534.96483.272197e-002
[12:32:55] 24.65536.25583.272197e-002
[12:33:25] 23.25738.43433.272197e-002
[12:33:55] 23.73137.66803.272197e-002
[12:34:26] 23.78037.59003.272197e-002
[12:34:55] 22.99138.87993.272197e-002
[12:35:25] 23.36338.26123.272197e-002
[12:35:56] 24.23536.88393.272197e-002
[12:36:27] 23.91437.37883.272197e-002
[12:36:58] 23.72737.67403.272197e-002
[12:37:27] 22.92438.99253.272197e-002
[12:37:56] 22.88239.06533.272197e-002
[12:38:25] 22.97338.90993.272197e-002
[12:38:55] 23.32038.33083.272197e-002
[12:39:24] 22.83839.13953.272197e-002
[12:39:52] 22.83939.13873.272197e-002
[12:40:23] 23.94937.32383.272197e-002
[12:40:52] 23.16838.58223.272197e-002
[12:41:23] 23.92037.36903.272197e-002
[12:41:55] 24.08237.11763.272197e-002
[12:42:26] 24.30336.78063.272197e-002
[12:42:57] 23.99737.24933.272197e-002
[12:43:27] 23.92737.35903.272197e-002
[12:43:59] 23.75937.62293.272197e-002
[12:44:30] 24.31136.76873.272197e-002
[12:45:00] 23.10838.68343.272197e-002
[12:45:34] 27.35532.67743.272197e-002
[12:46:03] 23.23938.46533.272197e-002
[12:46:33] 23.41138.18173.272197e-002
[12:47:07] 27.04333.05453.272197e-002
[12:47:38] 24.04937.16903.272197e-002
[12:48:09] 24.07637.12693.272197e-002
[12:48:41] 24.28336.81153.272197e-002
[12:49:13] 24.84635.97753.272197e-002
[12:49:42] 23.31738.33563.272197e-002
[12:50:12] 23.70437.71093.272197e-002
[12:50:43] 24.54536.41753.272197e-002
[12:51:15] 25.04435.69263.272197e-002
[12:51:44] 23.37038.24933.272197e-002
[12:52:13] 22.87739.07293.272197e-002
[12:52:42] 22.88439.06183.272197e-002
[12:53:12] 23.55937.94183.272197e-002
[12:53:41] 23.52637.99603.272197e-002
[12:54:10] 22.59539.56113.272197e-002
Testing ended on 24/01/2011 12:54:10 PM
Test Result: Success.
----------------------------


3.5GHZ on SE2
Edited by Rowey - 4/29/11 at 7:33pm
post #2 of 13
3.7-3.8 if you go aggressive. Who knows, but the Q8 isn't known for being golden. Visit the UD3 thread:

http://www.overclock.net/intel-mothe...ers-guide.html

I got 3.6 out of a Q8300 pretty easy on a UD3L without pushing any aggressive volts. BIOS settings in that thread. If you go for limit, who knows....
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post #3 of 13
The UD3P will let you go however high you want (they are known for pushing 600+ FSB). It is your chip and/or ram that will hold you back.
 
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post #4 of 13
ill tell you when i had my dfi board i was able to push my e8400 to 4ghz on 1.3v to the core. i did tap it to 4.1Ghz but it wasn't stable (i think it was my ram). i would honestly aim for around 4.3ghz depending on cooling.
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post #5 of 13
Thread Starter 
Cheers guys's just hear these chips are so stubborn and so hard to get 4ghz on. Anyway, ive got 1066 Dominator, do you think that will hold me back?
post #6 of 13
4GHz should be easy, as long as your new UD3P can provide it with a stable 500FSB.
    
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post #7 of 13
Quote:
Originally Posted by Roweyi7 View Post
Cheers guys's just hear these chips are so stubborn and so hard to get 4ghz on. Anyway, ive got 1066 Dominator, do you think that will hold me back?
In the best scenario you would not go higher than 500MHz FSB that's stable with that UD3P and Q8400 (4GHz)..

And for that you would have to know everything about CPU Reference voltage tuning and CPU/NB skews..

Also you would need to have a golden Q8400 to hit 4GHz and stay in safe Vcore/ temp limit (Vcore under 1.4V and core temps under 75C at all time)..

As for validation purposes you could hit higher FSB than 500MHz but it all depends on your CPU and its FSB wall..

CHEERS..
     
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post #8 of 13
I think most of these Q8xxx and Q9xxx with the R0 stepping can hit 4GHz easy. Only the low multiplier are stopping them. R0 is every bit as good as E0.
    
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post #9 of 13
All Q8400 chips are R0 stepping,but lower binned so majority need 1.40V or higher for speeds around 4GHz..

CHEERS..
     
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post #10 of 13
Thread Starter 
So guy's is it possible do you think? im also unsure whether i want to push my chip, seems the temp sensors are stuck and i have no real idea of the temps.
EDIT: it's here btw got it this morning
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