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

dragon2309

dragon2309

P.I Dragon
The title says it all, no matter what i try i cant get past 3Ghz, any suggestions.

Ive tried increasing the core voltage, ive tried underclocking my ram, ive tried unlinking the RAM/CPU so the RAM's speed stays at 800Mhz, nothing i try allows me to get past 3Ghz.

please help

dragon
 
ghostfacesuk said:
Nice, dunno if systool will support ur hardware but try it anyways
http://www.techpowerup.com/systool/

Also what is the highest you have got to on what config?
And when you get to that point are there any signs of vdroop or the system being unstable...
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The highest, is what i have got to right now, bus of 33Mhz quad pumped to 1335Mhz, multiplier of 9x kicking out a core freq of 3.0Ghz. Thats stable, it's fine.

Any higher and it doesnt post, it reverts to an older setup and boots with that (a feature of the 680i i think).... At one point it BSOD'd booting into windows, but thats before i was rational and when i knocked the FSB right up to the max

stephensmia said:
what kind of mobo and ram do you have
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The mobo was stated in the title, it's an eVGA 680i SLi, RAM is a single 1Gb stick of Corsair XMS2 DDR2-800 running at 800Mhz (400@DDR), CPU is intel Core2Duo E6600 running at 3Ghz (stock=2.4Ghz)

cheers all, dragon
 
well it sounds to me like your cpu is maxed. like your hitting its upper threshold for what it is. when they make cpus dont they make them blanket rated? i mean like say taking a 3 gig chip and then down clocking it to make it 2.4 or whatever? if that is the case then it sounds to me like youve hit the top. but what are your temps?

you could try underclocking your ram a bit.
 
grumpy1 said:
well it sounds to me like your cpu is maxed. like your hitting its upper threshold for what it is. when they make cpus dont they make them blanket rated? i mean like say taking a 3 gig chip and then down clocking it to make it 2.4 or whatever? if that is the case then it sounds to me like youve hit the top. but what are your temps?

you could try underclocking your ram a bit.
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He definetly isn't hitting the top with it.
 
a quote from that page you linked to

As mentioned, we can't increase the CPUs multiplier… but we can change the frontside bus. On the e6600 that we overclocked, we managed to get a final stable frontside bus of 378MHz. Multiply that by the default multiplier of 9x that the e6600 has, and we end up with a final CPU speed of just over 3.4GHz. Now that we've shown you a few key basics, let's delve into the bright blue BIOS zone and show you exactly how to overclock your CPU.
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they got just over 3.4 and dragon is running at 3 that would indicate the most he could gain from where he is is 400 mhz. thing is though is whether or not its worth it. i mean it seems to me that his system would be more stable where it is which appears to be 400 mhz from all out max than it would be if he went all out max.
 
He definetly isn't hitting the top with it.
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i can go with that from what the article said that omega linked to but my question would be where is the stability threshold on it? is it better to leave a cushion like say a cushion of 400 mhz or would he see enough gain to warrant pushing it to its limits.



i found this interesting....


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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it would seem as though the e6600 is a locked chip.

These chips are overclocking like so:

* E6700 - 132%
* E6600 - 144%
* E6400 - 167%
* E6300 - 201%(!!)
 
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ok, a quick update between reboots and stuff....

one thing i forgot to mention was for some reason my power supply didn't come with an 8-pin power connector, no idea why, kinda disappointing, but the eVGA manual said if you dont have it you can use the 4-pin P4 connection. Which i am, could this be hampering it at all?

Also, omega, im following that sites guide as we speak, at 2.93Ghz stable at the moment

back in a few mins

dragon
 
Rambo said:
Try a BIOS update (if any). I find that can help alot. :)
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i will get onto that tomorrow, a bit too late right now, thanks for the assistance.

kof2000 said:
stick with P24.
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whats a P24?

Oh and an update, the bloody thing BSOD'd on me about 30mins ago, just about ready to smack the living %$&$ outta this piece of ^%&*%"£$. An £800 box of nothing is what i've got right here, fat load of good it is.

dragon
 
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. right now p25, i've heard of problems with it so i'm still using p24.
 
.............try giving the GMH in BIOS by .1V ..............that worked for me....although I dont know much about your MOBO so i dont know if that option is in the same name, or if its there or not at all....
 
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