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OverClocking Unlocked Athlon II X3 440 - Page 6

post #51 of 64
A lot of generic DDR3-1333 CL9 kits (from results I have seen on this forums) stop clocking at around 1400-1450mhz, assuming no change in DRAM voltage. That could be an issue.
Lowering below 1333 is unadvisable as that would be more complicated in terms of how to set the timings to match performance. You may have better luck either losing 1 or 2Mhz on the bus clock or increasing DRAM voltage one notch.
post #52 of 64
Thread Starter 
No luck..

Increased CPU volt to 1.405, BSOD on physics test.
Increased CPU-NB volt 1 bump, BSOD on physics test.
Lowered RAM divider, BSOD on physics test.
Lowered FSB to 215MHz, BSOD on physics test.

Is it safe to increase DRAM? I'll try this next.
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post #53 of 64
Thread Starter 
Increased DRAM voltage by 1 notch and run 3DMark11 Physics Test, it completed it!
And so I thought, I tried running the complete benchmark and it failed again.

Current DRAM volt is 1.63v.

What's next? I'm still hoping for a 3.30GHz quad..
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post #54 of 64
If you have an old cpu heatsink laying around you can make your mosfet cooler. Just get out the ole hacksaw and make what ya need. Get some thermal adhesive and voila! Works just as well as the ones you can buy, if you could buy them:D
Good luck on your overclock!
Edited by mrinnocent - 6/18/11 at 11:53pm
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post #55 of 64
Thread Starter 
I'm really having trouble stabilizing this OC.
If I set my max CPU volt to 1.400, I can only go to 3.10Ghz quad.

I will try OCing at tri core, with max CPU volt of 1.400 in mind.
Last time I did this, I got to 3.60Ghz, though haven't checked for stability yet.

What do you think guys? Should I settle with a quad at 3.00GHz or tri at 3.60GHz.
Which will yield better game framerates or loading time or the whole gameplay experience?

I'm playing SC2, Civ5 and LoL right now.
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post #56 of 64
Thread Starter 
Ok, so I tried undervolting to see the minimum CPU volt that is stable.
My stock Vcore according to CPUz is 1.376v.
And the undervolt Vcore is 1.336v.

I'm assuming from the results above, I get an unstable OC at 3.30Ghz quad is due to the memory and not the CPU.
Can anyone confirm this?

So right now, I will play around the memory timings and maybe the DRAM volt (max of only 1.63v: this is 1 notch).

I also checked my timings and everything is set in Auto, should I set it manually referring to the SPD of CPUz?
CPUzSPD.jpg

So I should just follow the timings closest to the frequency of the RAM?
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post #57 of 64
With RAM not designed to OC, expect to have trouble stabilizing the OC. Glad that increased voltage is working for you though. I don't recommend raising above 1.65-1.7V due to the lack of heatspreaders.
post #58 of 64
Hey Edu, i have same processor and was trying to do the same as you OC 4c to 3,3ghz. Looking at your setup and based on my own experiences i would recommend you trying the following:

- 228*14,5 (3306 mhz) with voltages 1,35 to 1,37ish (depends on the batch of your processor)

- NB @ 2052 with voltages 1,15 to 1,2 (probably closer to 1,15 as its near the base clock of 2000 and 1,15 is the stock).

- HT 2052 (HT cant be higher than NB)

- RAM @ 609 8-8-8-22-30 @1,59V (don't OC ur ram)

Try to respect:
Max Load 1,425v -> max voltage stated by AMD for x3 440
Max Temp Load 55ºC
And torture it 12h on Prime 95, if it fails bump voltage a notch on CPU and NB, depending on your max load voltage if it goes beyond 1,425 only bump NB voltage (i dont recommend going beyond 1.2v) .

Hope it helps you .

*PS. I myself setted for 3,2ghz on 4C because i would go beyond 1,425v max load@3.3ghz, if you still keep failing try 3,2ghz."
Edited by brosso - 6/23/11 at 12:01am
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post #59 of 64
Thread Starter 
Ok, so I tried increasing my max vCore to 1.432v.

I checked the max OC for X3:
FSB: 250MHz (CPU @ 3.75GHz)
vCore: 1.432v (CPUz)
CPU NB: 2500MHz
CPU-zA2X3440375GHz1432v.jpg

And max OC for X4:
FSB: 225MHz (CPU @ 3.38GHz)
vCore: 1.432v
CPU-NB: 2250MHz
CPU-zPh2X4B40338GHz1432v.jpg

So which one should I go with?
Tricore @ 3.75GHz vs Quad @ 3.38GHz?
My temps maxed at 52degC. I guess that's ok, right?

I mostly play games like LoL, SC2 and Civ5, and other usual stuff like web surfing, watch movies and some office works. I'm also looking into AutoCAD 2012 and WinGRASS (GIS).

I can't decide which is better (or safer)?
Edited by eduforonda - 7/11/11 at 7:26am
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post #60 of 64
The X3 clocked higher will work out better.
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