Can't get past 3Ghz with e6600 and eVGA 680i

flash to p24 to see if it gets rid of the problem if not try running your ram below 800mhz if it is any higher.
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i suggested that he try to turn down the ram or to underclock it but i got ignored. it might free up some power though for increasing the voltages to the cpu.
 
These chips are overclocking like so:

* E6700 - 132%
* E6600 - 144%
* E6400 - 167%
* E6300 - 201%(!!)
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he could just get a used 6300 since it has more overclocking ability. it will overclock to 201 percent compared to just 144 percent for the one he has. he could really hammer the 6300 and probably really crank it up. or he could upgrade to a 6800 which is unlocked.
 
he could just get a used 6300 since it has more overclocking ability. it will overclock to 201 percent compared to just 144 percent for the one he has. he could really hammer the 6300 and probably really crank it up.
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They aren't ocing very differently. The lower end chips just start slower, they are all hitting roughly the same ceiling.
 
grumpy1 said:
he could just get a used 6300 since it has more overclocking ability. it will overclock to 201 percent compared to just 144 percent for the one he has. he could really hammer the 6300 and probably really crank it up. or he could upgrade to a 6800 which is unlocked.
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the 6700 would still be better than a 6300 when both OC to 3GHz.
 
They aren't ocing very differently. The lower end chips just start slower, they are all hitting roughly the same ceiling.
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this would seem to indicate that the 6300 is a tougher chip


AnandTech was able to overclock the E6700 to 3.5GHz (up from 2.66GHz) and the E6600 to 3.45GHz (up from 2.4GHz). The 2 MB E6400 was able to hit 3.56GHz (up from 2.13GHz), while the slowest E6300 was able to reach 3.68GHz (up from 1.83GHz). These are absolutely amazing overclock numbers! For a $183 investment plus an ASUS motherboard you could have a 2 MB Core 2 Duo overclocked to well over 3GHz, thereby outperforming Intel's high-end $999 part on a much, much smaller budget.
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this would seem to indicate that the 6300 is a tougher chip
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Look at the frequency they are topping out at. They are all capping off in roughly the same area (3.5-3.7GHz, or within 200MHz of each other). While the 6300 is the highest, only testing 1 chip from each group doesn't give you an accurate picture of what the entire series can do. You'd need a much bigger sample size for that.
 
the 6700 would still be better than a 6300 when both OC to 3GHz.
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depends on what features the 6700 has that the 6300 doesnt. in order to add features to a chip you have to take away something in another area.
 
i've read several articles that suggest that motherboard is a really bad one to use in order to OC the C2D.
 
Look at the frequency they are topping out at. They are all capping off in roughly the same area (3.5-3.7GHz, or within 200MHz of each other). While the 6300 is the highest, only testing 1 chip from each group doesn't give you an accurate picture of them all.
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good point. i dont really see why the 3.0 that he is able to hit is not enough. i guess its just a matter of him wanting to push it to the limit. i would think for what he is doing if he could afford it the 6800 chip would be better since it is unlocked and can probably go much higher than the others. what do you think? at any rate i think he is going to have underclock his ram a bit to get what he is wanting to get on the overclock.
 
My guess would be it's the board and/or BIOS that's holding him back. Still a 3GHz C2D is pretty ok :) It could very well be the CPU doesn't take to voltage bumps very well and just wont OC any further but like newguy5, I've heard of lots of problems with 680i boards.
 
definately cromewell. that board is probably just not going to route enough power to run the ram at full speed and pump more volts to the cpu at the same time. well any more volts that he already has it set to.
 
grumpy1 said:
i suggested that he try to turn down the ram or to underclock it but i got ignored. it might free up some power though for increasing the voltages to the cpu.
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is not the power issue it is how the board behaves with some of the memory. you have to lower it to 800mhz or lower.
 
grumpy1 said:
this would seem to indicate that the 6300 is a tougher chip
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The 6300, 6400, 6600, etc... are all the same chip. They are physically the same. They all start out the same, but the 6300/6400 have 2MB of cache disabled. They (Intel) have also locked them to certain multipliers too.
 
i got to 3.4 in a matter of minutes. it was a walk in the park.

and since you know what you are doing, id say it is Definately the 4-pin cpu problem
 
I can remember a similar thread in one of the forums where a few guys were having the same problem with a certain run of the 6600's. I believe it was the "F41" series or something. They sent their processors back or sold them on ebay and were able to find processors that were made 2 weeks or older and they were able to get past 3 ghz with no problem.

I'm still looking for the threads
 
joeswm8 said:
i got to 3.4 in a matter of minutes. it was a walk in the park.

and since you know what you are doing, id say it is Definately the 4-pin cpu problem
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thats what im starting to think aswell, to be honest i dont think its a problem with the board itself, sitting in front of it playing with it, it just doesnt feel like its the boards problem.

Rambo said:
4-pin CPU problem? Eh? What do you mean by that...?
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Yeh, a lot of people chose to ignore my entire statement about my PSU not having an 8-pin power connector for the CPU, the manual said if i didn't have an 8-pin power connector then i should just use the 4-pin P4 connector on one end of it. Which is what i did.

Im a bit pissed though, paid £60 for that PSU, people praised it on every review site, then i get it and it doesnt have the right connections. Geoff, does your PSU have that or not? Are you using the P4 connector, same question to joeswm8 and others with a 680i board...

Oh also, i installed a demo of UT2004, just to check everything was working fine (this was at 3.1Ghz) and it BSOD'd on me, checked temp and it was at 61*c, i heard intels cut off temp was 65, so i lowered the OC, its now at a mere 2.6Ghz and it doesnt restart anymore. Also the temp stays at around 51-53 during gaming, so thats all ok.... i think it was temperature relatede, not voltage related

dragon
 
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