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Discussion Starter #1
Hi

Can you take a look at this and tell me where I am going wrong. I have read many posts and reviews on many sites saying that they can get their QX6700 on 3.7ghz easy, it can go to over 500fsb without too much problem. Yet, no matter what I try I wont go over 3.4ghz. PLEASE, can someone tell me what I am doing wrong?

I followed a guide from NVidia which showed me how to find my max FSB, setting the VCore to 1.58v, FSB to 1.5 and go to 500fsb and work back, it boots into the BIOS everytime at high FSB (450-525+), but Windows crashed as soon as it starts to load. I try bringing the FSB up and down by a little and it will boot to BIOS everytime, but crash on load everytime. But if I bring the FSB down to less than 400, it wont boot at all untill it gets back down to about 308. Also, even at 308, it will only boot on a max multi of 11. One site says the most stable and easyiest settings to OC this thing are 312x12 which gives you 3.7ghz, I am only looking for 3.66ghz, but it wont boot at those settings, even if I start lowering in stages again. I tried lowering the VCore as I thought it was too much, but still nothing. I also tried lowering the FSB in stages on the 312x12 settings, but again, it would only boot on a mutli of 11.

So, I have tried what seems like every combination with this chip but it just wont go above 3.4ghz, I dont know alot about OCing can anyone give me any further pointers?

PS - Temps are all fine 38c idle in TAT and did 8Hrs in Othos with no errors @ 3.4ghz, but like I say, dont like it above that.....
 

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NB voltage may need a boost. If you can use some sort of program to monitor temps. then use compressed air to find out where it is reading from. after that point you can litterally cool off the hot areas. it could be one simple MOSFET that is getting too hot and causing instability in your OC. the CPU temp leads me to believe that your problem lies in either the northbridge or in the PWM. It could also be voltage fluctuation from a failing psu or from bad power from the wall.
 

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Quote:

Originally Posted by SpookedJunglist View Post
NB voltage may need a boost. If you can use some sort of program to monitor temps. then use compressed air to find out where it is reading from. after that point you can litterally cool off the hot areas. it could be one simple MOSFET that is getting too hot and causing instability in your OC. the CPU temp leads me to believe that your problem lies in either the northbridge or in the PWM. It could also be voltage fluctuation from a failing psu or from bad power from the wall.
I need to come with better advice like this...
 

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Discussion Starter #5
Ok, PC6400 800mhz @ 4-4-4-11 2.1v is my RAM. As I say, I am a noob, so please be patient, but could you explain a few bits for me please?

I dont understand using compressed air to find where temps are read from.... Sorry

MOSFET - Dont know that one either =P

Nothbridge - I know that one! PWM - But not that one =(

The PSU is new, but I have been told that its not enough, could this be my problem?

Thanks
 

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Quote:


Originally Posted by ManDown
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Ok, PC6400 800mhz @ 4-4-4-11 2.1v is my RAM. As I say, I am a noob, so please be patient, but could you explain a few bits for me please?

I dont understand using compressed air to find where temps are read from.... Sorry

MOSFET - Dont know that one either =P

Nothbridge - I know that one! PWM - But not that one =(

The PSU is new, but I have been told that its not enough, could this be my problem?

Thanks

That PSU just might be the problem. I've always heard 750 being the recommended watt for those gpu's and that cpu you have. So yea, 700 is cutting it close. I'm just going by a lot of the things I've read.

It is a nice psu though. If it turns out to be the problem you shouldn't have too much trouble reselling if you can't return it.
 

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Quote:


Originally Posted by CrazyHeaven
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That PSU just might be the problem. I've always heard 750 being the recommended watt for those gpu's and that cpu you have. So yea, 700 is cutting it close. I'm just going by a lot of the things I've read.

It is a nice psu though. If it turns out to be the problem you shouldn't have too much trouble reselling if you can't return it.

True, for 8800GTX SLi, i recommend aroud 800. You can use the 850 Silverstone, or the 750 from PCP&C.
 

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Discussion Starter #8
Going for the 850 Silverstone, anyone wanna buy an OCZ 700w PSU - about 1 week old? =D
 

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Quote:


Originally Posted by ManDown
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Going for the 850 Silverstone, anyone wanna buy an OCZ 700w PSU - about 1 week old? =D

lol, you can't sell that here. you have to make a thread in teh for sale section which requires 35 rep. try ebay.
 

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Discussion Starter #10
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Originally Posted by cgrado
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lol, you can't sell that here. you have to make a thread in teh for sale section which requires 35 rep. try ebay.

I was only joking
- Unless you wanna pay the postage from the UK
 

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A new PSU is a good try, however, it should not be overlooked that every CPU is different, and just because some review site claims so and so a setting is "easy" that does not mean every CPU in that series is guaranteed to hit that mark.
 

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Discussion Starter #12
Quote:

Originally Posted by Thumper View Post
A new PSU is a good try, however, it should not be overlooked that every CPU is different, and just because some review site claims so and so a setting is "easy" that does not mean every CPU in that series is guaranteed to hit that mark.
No, but it is a good "it should be about that" guide, and there are many sites hitting 500fsb easy, I struggle with anything past 309. No matter how much voltage ect, gonna keep going, I am either gonna get this to 3.66 or kill a qx6700 trying =D
 
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