Overclocking problem - Q6600 - P5N32-E SLI PLUS

Onslaught320

Onslaught320

Onslaught320

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13 Sep 2009
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Hi,

I recently tried to overclock my Q6600 to 3Ghz.
I have read around several forums and found that my motherboard is not very good at overclocks for Quad Cores. However I still thought that I would be able to reach 3Ghz.

I finally reached a stable-ish 3Ghz at the settings below:

CPU Multiplier: x9
Rated FSB: 1333.3
Memory: Unlinked
Memory: 800Mhz

VCore Voltage: 1.35V
CPU VDD Voltage: 1.45V

All other values set to Auto.

But I had several problems with this:

1st was that after about a day of these settings I had a blue screen with a halting message, so it was not completely stable.

2nd was that my CPU was getting a little too hot at low 60s under full load.

And 3rd was that I had read that higher CPU VDD values put a lot of stress on the CPU and I was unhappy with it being that high.

I was wondering if anyone had any advice on how to overclock this combination well?

Specs:
Q6600 G0 stepping
Arctic Cooling Freezer 7 Pro
ASUS P5N32-E SLI PLUS
2x 2GB 800Mhz OCZ DDR2 PC2-6400 Gold Edition
NVidia GeForce 8800GT

Thanks, Mark
 
Have you disabled virtualization and speedstep in the BIOS?

Have you ran and programs to test stability such as orthos or prime?

You may need more volts depending on your CPU, is it a B3 or a G0

And the Plusa version of the board is a 650i board which is even worse than 680i boards. Just how bad the 680i are i'll find out tomorrow as ive got a Q6600 G0 coming to try in my 680i P5N32-E
 
I was under the impression that the Plus was actually a bastardised 650i/680i mashup, rather than just 650i, which is why it's clocking is so shoddy.

I failed to get any meaningful clocks out of my P5N32-E Sli Plus, and chopped it in for a P5K with much more productive results.

Not useful advice from me, but don't be disheartened if you can't squeeze anything out of it, it might not be anything you're doing wrong.
 
I've ran a program called Burn In Test which ran my CPU at 100% for about 15 minutes.
That was when I got the quite high temps.

Its a G0 stepping.

I also heard that it is a weird mix between the 650i and 680i and wish i have read more about it before buying it, but ah well stuck with it now, so hoping I can get the best out of it.
 
I also had a few issues with an sli board and a quad (evga 680ia1) 3ghz was the most i could get and even then not perfectly stable, ended up repacing it with an asus p5q deluxe.
 
I cant get any sort of stable overclock at all on my 680i board after hours of fiddling today.

Never mind, any excuse for a new mobo ;):D

However i have flashed this 680i board with a new BIOS, it probably wont make any difference but you never know.
 
Yep, my evga was the supposed quad friendly revision, when it popped its clogs i got the p45, managed 3.8ghz from the q6600 with relative ease.
 
The P5N32-E Sli didnt overclock my q6600 very well, achieved 3.0ghz but was very unstable. I do however hear that they are excellent for overclocking duos.

With my P5Q-E it allowed me to overclock it too 3.0ghz by only increasing fsb.
 
Well after flashing the latest BIOS onto my board i am now sitting 100% stable at 3.4Ghz :D

Pretty suprised actually given i didnt have much luck before i flashed the bios.

So it looks like my 680i board lives a while longer :p
 
Silly question, but are you setting the right DRAM frequency when increasing the bus speed each time. If it's set to AUTO, it could be that it's too high for your PC2-6400 - just a thought.

You need to keep this on or under 800MHz to get a stable core, then once you at your desired overclock, you can then play around with the ram speeds.
 
Yep ive got it set on 2.1v which is what my dominators need. Running it linked to the cpu at the ratio that runs the RAM, i think it was 3:2
 
Admiral Huddy said:
Silly question, but are you setting the right DRAM frequency when increasing the bus speed each time. If it's set to AUTO, it could be that it's too high for your PC2-6400 - just a thought.

You need to keep this on or under 800MHz to get a stable core, then once you at your desired overclock, you can then play around with the ram speeds.
Click to expand...
Tbh huddy it wouldnt even matter, the 680i boards are terrible with quads, no matter what revision, but with dual cores theyre excellent, i had 3.7ghz from an e6600 on air with my 680i. couldnt get above 3.0ghz with a quad.
 
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