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Looking for more advice E6700 & Asus P5B Deluxe

post #1 of 18
Thread Starter 
Hi all,

Looking for some more advice on where to go from this point, (CPU Freq., DRAM Freq., and Ram timings etc.?)
I have successfully Overclocked my P5B deluxe & Core 2 Duo E6700 to 330 MHz. from the stock 266 MHz.

Temps are remaining stable high 30's at an idle, and mid 40's at full load.
I am using a Artic Freezer 7 Pro CPU fan.

My settings in the Asus 0614 Bios are as follows:

CPU Freq. 330 MHz.
DRAM Freq. DDR 2 825 MHz.
Ram Timings are set to: 4,4,4,10,6,30,10,10,10,10

The memory is Corsair XMS2 6400, DDR2 800 @ 2Mb.

Thanks in advance guys!
    
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post #2 of 18
Go for 400mhz w/ somewhere around a 7 or 8 multi. I'm running at 462mhz now....these boards have a lot more room for fsb too. I did increase vcore slightly up to 1.32 effective, 1.36 in bios. This seems more than enough for 3.2ghz, 3.4 needs a bit more.
post #3 of 18
You have your RAM currently at a DDR2 667 default speed (Auto?). This results in the effective speed of 330/266*667 = 825MHz (some rounding here)

If RAM speed is on AUTO, just continue... it should knock it down further. If you manually set the RAM speed, reduce it to DDR2 533 speeds (Which is the 1:1 divider). That way the RAM will allow you to go over an FSB of 400MHz. (at FSB = 400, your RAM will be back at stock: 400/266*533 = 800)
    
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post #4 of 18
Thread Starter 
I set my CPU freq. in the bios at 10x400, set DRAM Freq. to auto.
I have my Vcore set 1.4 and ram voltage at 2.25 for some reason my PC would not post.

Had to revert back to the 10x330 settings with DRAM set @ DDR 825

Any other suggestions?
    
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post #5 of 18
Quote:
Originally Posted by hogans
Any other suggestions?

Yes, stop making FSB adjustments in increments of 70.


You will reach your most stable overclock by making small changes, not large rapid ones.

It takes longer, but most good things come to those with patience.

post #6 of 18
Thread Starter 
Even with making small adjustments, it seems that no matter what I change anything over 330 CPU Freq. the computer will not re-start.
    
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post #7 of 18
Add some northbridge MCH voltage
    
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post #8 of 18
I had luck with these settings around those speeds....

CPU- set multi at 7x, you can always increase your multi later instead of your fsb. I run a 7 multi @ 462mhz for 3.2ghz.

Chipset- leave everything set to auto until you find a stable oc for your cpu. Only increase voltage as your RAM speeds increase. After you determine a good setting, then you can fine tune your RAM timings.

Frequency Adjustment- Turn all spread spectrum settings to OFF. Lock your PCI clock to 33mhz and PCI-e to 100mhz.
Vcore in BIOS- 1.38v {has been good for me upto 3.4ghz}
NB voltage- 1.55v
SB voltage- 1.6v
ICH voltage- 1.2v
VDimm- depends on your ram. I have Ocz ddr2 800, I give it 2.35v around 925mhz and 1.95-2.05v around 800mhz.

Hope ya get it
post #9 of 18
Thread Starter 
Running stable at 3.2GHz, temps around 40 idle, high 40's under load.

Settings:

CPU-320 MHz. X 10 multi.
DRAM- DDR2 800
RAM Timings- 5,5,5,15,6,42,10,10,10,10

Should I change the timings to 4,4,4,10,6,30,10,10,10,10 ?
    
CPUMotherboardGraphicsRAM
Intel i7-2600K 4.8 GHz. & 1.38v Gigabyte Z68XP-UD5 2-ATI, HD 5870's, Crossfire'd G.Skill Ripjaws F3-12800CL7D-16GBXH 
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post #10 of 18
Leave it as it is with the 333fsb and the 4:5 ratio.

The problem in my opinion is the heat-sink/fan, I mean 41c idle? That seems a little too high for a 65nm CPU. My Presler idle does 30c and my Conroe does 33c with the Tuniq Tower.

That heat-sink/fan may be upto the challenge. Otherwise, try what this guy did: See Post # 27. I did that and for while I was running 450fsbx7, tried a 500 but it wouldn't boot, my guess was because of temps not being handled too well by the Tuniq Tower 120 at those speeds or didn't use more Vc.

Either way, I'm satisfied running my system with a 333fsb with a 4:5 ratio but I'm going to switch the RAM to a 2:3 for a 1000mhz speeds soon.

So you can only go so high with what you have.
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