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Trouble OCing Q6600/DS3R

post #1 of 20
Thread Starter 
Hi, I'm having a ton of troubles overclocking my Q6600 on my DS3R. I'm running into all kinds of instabilities, and what have you. I know my temps are the problem because they're completely fine. about 28-33c at around 3.2Ghz. 3.2 is about as far as my processor will seem to go... I can get it to 3.33Ghz and boot, but then windows locks up time to time. Is there anything I may be missing? or may I just have a bad chip? Which would completely suck... I have it lapped...
post #2 of 20
Good morning and welcome to Overclock.net BonKerz!

Your temperatures aren't a problem. That's pretty cool at idle, but load temperatures are much more important.

How much voltage are you giving your quad at 3.33GHz?

Here are somethings I hope would help you:

1. Set your System Memory Multiplier to 2.0 ( or any other divider that sets your RAM at its lowest speed. For now, this would just be for testing.)

2. The MCH OverVoltage Control supplies your NB power. Once you reach higher FSB, you're going to need to give some more volts for the NB. Before I half destroyed my motherboard, I was able to do around 500FSB with +0.2v. Nothing over that. Also, make sure your NB is be kept cooled. My motherboard was destroyed in another issue.

3. DDR2 OverVoltage Control controls your RAM voltage. When left on Auto your default RAM voltage is 1.8v. On our BIOS, we have to add numbers. So, +0.1v you see there is 1.8v default + whatever you add = output. Make sure you are running at your RAM's recommended voltage. I wouldn't go pass 2.2v. Also, have good cooling!

4. Try and overclock with 9x multiplier. Less FSB means less stress on your motherboard and RAM, but speeds may show to be slower on benchmarks.
Edited by TaiDinh - 6/29/08 at 5:51am
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post #3 of 20
Thread Starter 
Oh wow, there is a lot there that I had no idea about. Thank you very much for that information. Although, my lowest system memory multiplier is 2.5

For sake of correcting any mistakes, I'm going to list exactly what I have set in my BIOS.
Under the section MB intelligent tweaker:
CPU clock ratio: 9x
CPU frequency: 370Mhz (this is where I've been having some troubles)
System memory multiplier: 2.5
DDR2 Overvolt: +.01
FSB Overvolt: +.01
MCH Overvolt: +.01
CPU volt: 1.425

*With these settings, system failed boot and went back to defaults. It seems everything starts to go wrong when I try to tweak voltages.

My ram timings are a little funky. The board sets them at 5 5 5 16, but the specs say they can hit 4 4 4 12, but whenever I try and do that my system goes haywire.
Edited by BonKerz - 6/29/08 at 11:56am
post #4 of 20
I am pretty clueless when it gets into the problem where the settings reverts back to stock speed.

Um... Have you tried a higher FSB? Sometimes, a certain FSB may be worse than another one that is higher than it. Try 9x 380FSB (this is 3.4GHz range) or 8x 412 FSB.

What is your memory speed by the way? You can try for +0.2v on RAM if you like. I would for testing. Also, tighter timings and high MHz on RAM is quite hard to get. I would stay with 5-5-5-x setting.
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post #5 of 20
Is your memory able to handle 925mhz? Try a system memory multiplier of 2 instead.
WC ftw!
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post #6 of 20
Thread Starter 
My memory might be the problem. My BIOS doesn't have the option for 2x it's only 2.5x
post #7 of 20
It should have a 2.0,2.4, and 2.5. They are not always in the right order. Check all of them and see if 2.4 and 2.0 are further down the list.
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post #8 of 20
Thread Starter 
I found it Okay, well i set my memory to 2 times, set some voltages, but now I'm running into another problem. Computer boots, but once it loads windows it reboots itself and starts all over again. Oh instabilities I guess I'm making progress though right?

Here is a pic of Coretemp and CPU-Z. At least I'm in windows now.


Edited by BonKerz - 6/29/08 at 6:26pm
post #9 of 20
Same issues as you! I'm stuck at 3.2 right now. I'm trying to get to 3.6 as we speak so i'll let you know what I did.
    
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post #10 of 20
I finally got to 3.6!!!! My vcore is pretty high though....i'm at 1.54875 or something. Just a hair below 1.5 which is what the reccomended highest is. Any lower and I won't POST...
    
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Q6700 @ 3.4Ghz - 1.44v Gigabyte GA-EP35-DS3R XFX GTX 260 XXX [640,2300] 4Gb (2 x 2gb G.Skill DDR2 1066) @ 1000Mhz 
Hard DriveOptical DriveOSMonitor
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveOSMonitor
1.5Tb (2 x WD6400AAKS RAID0 + WD 320Gb IDE ) Pioneer DVD+-RW Windows 7 Ultimate x64 Samsung 2232gw 22" + Samsung 2433bw 24" 
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