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q6600 overclock problems

post #1 of 10
Thread Starter 
hello everybody,

I recently got my new computer and tried to overclock it but this isn't working out for me. I want to run my q6600 24/7 at 3.6 ghz and have it run at 3.8 once for the benchmarks. I know this should be (nearly) possible from what I have read already but i'm not getting there.

I now managed to run at 3.240 (fsb = 360) but to do so I needed to up my vCore to 1.45v. When i try to set my fsb to 370 my computer manages to start but when I run orthos the whole system crashes in under 30 seconds. Orthos doesn't even stop or give a warning. The screen turns into weird 16bit colors and I cant see or do anything anymore. The system doesn't reset itself, I can only reset by pressing the power button. (This also happened when i triest to run with the FSB at 360 but with the vCore at auto (1.325v))

I find this to be unacceptable since the temperatures of my cores stay under 60 degrees (Celsius).

Also, I find it rather strange that orthos doesn't shut down.

I tried bumping the voltage on my memory, then i relaxed the memory timings from 4-4-4-12 to 5-5-5-15, then I bumped the FSB voltage but nothing seems to do the trick.

I was hoping someone could tell me what could be causing these crashes since I have no idea. Or maybe I just have had realy bad luck with the processor itself.

some additional info.

I run 2 instances of orthos, 1 for cores 1&2 and 1 for cores 3&4

mobo: gigabyte x38
proc: core 2 quad q6600 (g0 revision)
graka: 3870x2
memory: 4gig corsair 800mhz
proc cooler: scyth mugen
power: zahlman 850w

I'm sorry for any possible grammar misakes or any mistakes in general, this has nothing to do with me not taking the time to make a proper post; foreign Languages just aren't my strongest point.

I'm really hoping someone can help me with this problem,
Thanks anyway.

kind regards,

Daan
    
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post #2 of 10
You will definitely need to up the vcore. How much depends on your CPU, they're all different. You'll also need to bump the FSB vcore and the NB(MCH).Make sure your RAM is running at the rated voltage also. DDR2 default voltage is 1.8.
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post #3 of 10
Thread Starter 
Thanks for the fast reply, I will try if I can up the Voltage on my NB since I havent done this yet.

As far as my Ram volages go, my BIOS doesnt show on what voltages the RAM is running, only a +0.05v, +0,10v, +0,15v etc. option. Is there any way I can see what the voltage of my ram is.

Now for the Vcore, is it realy possible that I need to o over 1.45v to get to 3.3ghz? since I read a lot of people that run their q6600 at 3.3ghz with stock voltages... if so, I really had bad luck with this processor...

gr. Daan
    
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post #4 of 10
Default voltage for your RAM SHOULD be 1.8 so you would need to make it +0.2 if it is rated for 2.0 volts. If it's rated for more you'll have to set it higher. I have a board that I have to set to +0.4.
See if there is a hardware monitoring part of the BIOS. Most have them although I've never had a Gigabyte board so far.You'll need to set it in the BIOS and restart to see what it's actually at, you can't just set it and check. Also some motherboards have a program that will tell you what your RAM voltage is in Windows.
As far as the vcore, It all depends on your CPU, some OC very well some don't. Some need a lot of vcore, some don't. You need to go through all the steps to see how far yours will go.
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post #5 of 10
Quote:
Originally Posted by daan_87 View Post

Now for the Vcore, is it realy possible that I need to o over 1.45v to get to 3.3ghz? since I read a lot of people that run their q6600 at 3.3ghz with stock voltages... if so, I really had bad luck with this processor...

gr. Daan
Im at 1.44 right now testing 367x9 for an even 3.30, Diff board than urs, but seems to be same CPU voltage + FSB so far

340x9 - 1.34
350x9 - 1.39 (55c load)
360x9 - 1.42 (58c load)
367x9 - 1.44 (60c load) -testing as i type, 9 min of OCCT 2hr test left
(highest core temp)
Q6600 is lapped with a lapped TRUE 120 push pull

thats the wall of my 965P unfortunately. Temps still not an issue, but kinda skittish about getting a new mobo just for an extra 200MHZ, would need a vcore of 1.5, a bit too high for my taste.
But probly gona be about the same on ur chip.

Hope this helps
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post #6 of 10
Put in your specs for your system under User CP. I had the Gigabyte EX38-DS4 for about a week and had major problems trying to overclock my Q6600. I also had a bad connector and RMA'd it. After some reading, others have had problems with certain 4 x 1GB sticks (if that is what you've got). Try taking out two of the sticks and go back to overclocking.
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post #7 of 10
Quote:
Originally Posted by daan_87 View Post
hello everybody,

I recently got my new computer and tried to overclock it but this isn't working out for me. I want to run my q6600 24/7 at 3.6 ghz and have it run at 3.8 once for the benchmarks. I know this should be (nearly) possible from what I have read already but i'm not getting there.

I now managed to run at 3.240 (fsb = 360) but to do so I needed to up my vCore to 1.45v. When i try to set my fsb to 370 my computer manages to start but when I run orthos the whole system crashes in under 30 seconds. Orthos doesn't even stop or give a warning. The screen turns into weird 16bit colors and I cant see or do anything anymore. The system doesn't reset itself, I can only reset by pressing the power button. (This also happened when i triest to run with the FSB at 360 but with the vCore at auto (1.325v))

I find this to be unacceptable since the temperatures of my cores stay under 60 degrees (Celsius).

Also, I find it rather strange that orthos doesn't shut down.

I tried bumping the voltage on my memory, then i relaxed the memory timings from 4-4-4-12 to 5-5-5-15, then I bumped the FSB voltage but nothing seems to do the trick.

I was hoping someone could tell me what could be causing these crashes since I have no idea. Or maybe I just have had realy bad luck with the processor itself.

some additional info.

I run 2 instances of orthos, 1 for cores 1&2 and 1 for cores 3&4

mobo: gigabyte x38
proc: core 2 quad q6600 (g0 revision)
graka: 3870x2
memory: 4gig corsair 800mhz
proc cooler: scyth mugen
power: zahlman 850w

I'm sorry for any possible grammar misakes or any mistakes in general, this has nothing to do with me not taking the time to make a proper post; foreign Languages just aren't my strongest point.

I'm really hoping someone can help me with this problem,
Thanks anyway.

kind regards,

Daan



Well you should not be disappointed if you cannot run 3.6GHz, because Overclocking depends on 1. Your Processor, 2. Your MotherBoard and 3. Memory.
1. Can you tell me the VID value of your processor, you can find this by running CoreTemp. While it is possible to Over Clock all processors some will overclock better than other by either using less voltage or by generating less heat. In the case of using less voltage, ideally you would want your processor to have a VID Value less than say 1.2750v (+/- 0.0075v) being generous here. Anyway the smaller the value the more volts you can use to get to 3.6GHz and stay under Intel's Voltage recommendation of 1.50v. Some processors generate less heat than others using the same voltage,( there is an explanation somewhere I would have to find it), so to take care of the heat you need some mechanism that is efficient at removing the heat.
2. If you have the latest chipset that is a P35, X38 or X48 then 3.6GHz should be easier than with an older generation chipset like P965 or P975.
3. Memory well does not really factor into the speed of the Processor, it is only important, if you want to Bench and fine tune the system.

There are many ways that folks approach Over Clocking, one way is to run your memory really slow while you run your CPU as fast as you can till it cannot go any faster, that way any problems you can blame the processor. Then you reverse the process and slow down your processor speed and over clock the memory speed until it fails, this then is a memory problem. Then you bring the 2 fast speeds together to have your optimum Overclocked System.



As someone suggested just run with 2GB of memory, the more you have the more stress it puts on the NB.
You are running at 3.24GHz with 1.45v so it does not leave you much room for voltage, unless you want to go above the 1.50v threshold.
When Orthos stops or the system reboots it is generally lack of voltage. There will be cases where the FSB and memory will be a problem but if you leave most of the settings on Auto and then just change the CL value in the Bios and set the Voltage to the manufacturers recommendation, that should be fine.

Anyway tell me the VID Value and that will give me an idea if your processor can do 3.6GHz on Air.
    
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post #8 of 10
Thread Starter 
thanks for all he quick replies, I will go and fiddle with the solutions you guys suggested as soon as possible. I do have 4x 1gb ram so that will be the first that goes out. I will also post the VID value of my processor asap. That will be Friday night since I´m in another city for work now.

anyway thanks a lot,
rep to all,

Daan
    
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post #9 of 10
Thread Starter 
ok so I'm home and started right away, i upped my vcore to 1.5 and am now running orthos with a FSB of 380.

my VID is 1.325v, I've been reading into this and thats prety bad isn't it.
I know it's one of those things that has a lot of believers but also a lot of sceptics that don't believe there is a correlation between VID and overclock potential, at least thats what I got out of my research on this matter. But still, IF there is a relation im prety much screwed =)

my vdroop BTW is 1.5 - 1.424 = 0.07

As soon as my system starts crashing after upping the fsb again i will try updating my BIOS since I don't seem to have an option in increase my NB voltage in this version and I found an update on the gigabyte site that said in the discription "adds more voltage controll options"

Please give me any update on the VID voltage since knowledge is power and I apreciate any input on this matter since I'd like to get the most out of my comp.

thanks,

Daan
    
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post #10 of 10
Quote:
Originally Posted by daan_87 View Post
ok so I'm home and started right away, i upped my vcore to 1.5 and am now running orthos with a FSB of 380.

my VID is 1.325v, I've been reading into this and thats prety bad isn't it.
I know it's one of those things that has a lot of believers but also a lot of sceptics that don't believe there is a correlation between VID and overclock potential, at least thats what I got out of my research on this matter. But still, IF there is a relation im prety much screwed =)

my vdroop BTW is 1.5 - 1.424 = 0.07

As soon as my system starts crashing after upping the fsb again i will try updating my BIOS since I don't seem to have an option in increase my NB voltage in this version and I found an update on the gigabyte site that said in the discription "adds more voltage controll options"

Please give me any update on the VID voltage since knowledge is power and I apreciate any input on this matter since I'd like to get the most out of my comp.

thanks,

Daan
The VID just tells you what the processor needs to run at Stock 2.4GHz, since your is 1.3250v, it just means it needs more (that is according to Intel) but I have seen folks run 3.0GHz using less than 1.325v.

Anyway is there a mod you can do to reduce your VDroop on your Gigabyte Board, I am not familiar with Gigabyte. I know ASUS folks do it regularly. Lucky for me DFI has a VDroop control that will turn off Vdroop.

So are you saying that it is unstable at 380FSb with 1.50v. You may want to fill out your system specs so folks have an idea of your system.

It could be other problems like memory or NB voltages, but there are 2 posts I just read with folks getting to 3.6GHz, one requiring 1.6v and the other 1.424v, so there is hope, though the 1.6v is not good, but his temps are good.
    
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