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Overclocking E6700

post #1 of 10
Thread Starter 
Which settings can I use for overclocking e6700 ( 2.7Ghz ) to 3.2 Ghz.

asus p5n32 SLI se
e6700 ( 2.6Ghz )
2gb ddr 667
geforce 7950gx2

I have tried a lot, but my system isn't stable

grtz
post #2 of 10
Welcome to the forums.

Assuming you have a power supply that can properly handle your system and adequate cooling, there is a high likihood that you could hit 3.2 GHz with that system. Both of those items are critical, however, so if you're not sure that they're sufficient, be sure to ask.

E6700s are stock 2.66 GHz CPUs that run natively at 266x10 (external clock speed by the multiplier). To get to you're goal, you'll need to bump the clock to 320 MHz. Your RAM runs natively at 333 MHz, so it will have no problem at all 320 MHz.

The best way to overlock is to do it gradually. Experienced overclockers can take larger steps when testing out new gear, particularly C2Ds that often OC very well, though less experience overclockers should move in small steps. In the BIOS, up the frequency in 5-10 MHz steps, boot to Windows, and test stability. When the system become unstable, up the CPU voltage (vcore) one notch, boot to Windows, and test stability again. Repeat this process until you reach your goal.

Your best bet to start is to set your RAM at 1:1 (may be expressed in a variety of ways in the BIOS - explicitely as a ratio, though more likely as a DDR value, which would be DDR533 for your system at stock speeds). That way, the RAM will never be above stock speeds while you're reaching for your goal, so it should be out of the equation for stability testing. Be sure to set your RAM timings manually instead of using the standard "By SPD" as many boards and DIMMs do not communicate timings well.

You should also set your PCI bus to 33 MHz and your PCIe frequency to 100 MHz and disable Spread Spectrum.

Give those suggestions a try, and then check back in. Be sure to post exactly what steps you took so we can give you specific suggestions.
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post #3 of 10
Is that the nForce 4 board?

I had one of those...good luck getting anything past around a 400 MHz overclock on that.
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post #4 of 10
Thread Starter 
You said that I need to up the frequency by 5-10 mHZ. Is it the same as FSB .? Because I don't see any application to raise up... I can change voltages etc... And I see the memory timings but I don't find ram 1.1 ? Is an upgrade required of the bios ? It's from 2006

thanks
post #5 of 10
For modern Intel systems, FSB = 4 x external clock speed. This is often shown as CPU frequency or similar in the BIOS. In many Asus BIOSes, it's under JumperFree Configuration, though it somewhat varies from model to model. If you want, take some pictures of your various BIOS screens so we can give you more definitive advice.
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post #6 of 10
Thread Starter 
post #7 of 10
Ok, your BIOS is obviously based on FSB. In that case, you can safely do 20-30 MHz increments. Where it shows memory timings, manually set those to match the RAM you have. Also, set the vcore and memory voltage manually. You can probably get away with leaving most of the other options on auto at least for a while.
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2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
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post #8 of 10
Thread Starter 
I'm going to test it, thanks for the advice....
post #9 of 10
Good luck.
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2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
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CPUMotherboardGraphicsRAM
Intel Q6600 G0 23A Asus P5K Deluxe Wifi HD 3870 2x2 GB G.Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
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Saitek Eclipse Corsair HX620 Lian Li V2000b Logitech G7 
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post #10 of 10
Thread Starter 
Can you help me a little bit how to set my memory timings ( ddr2 667 kingston valueram )...

thanks
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