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***The Official Core i7 Overclocking Thread***

Seems that prime produces less heat than intel burn..

pr95.jpg


Well going to bed in a bit and will leave it on..
Only time will tell..

Hopefully will be able to push it little bit more

:)
 
How is it with RAM? Should I keep my RAM memory running near original frequency (1333mhz 7-7-7-20)? Currentely I run it at 1600mhz (9-9-9-24) with my i7 860@ 4.0 1.36V OC. (Ram is OCZ Platinum Dual Channel 1333mhz 8gb)
 
Got 4GHZ Intel Burn Test Stable at 1.25 volts and QPI at 1.31 volts. Need to tweak more.

I did a suicide run at 205 bclk and it was fine into windows. 215 and 220 bclk just wouldn't boot.
 
Hey Easyrider,

Is it possible you could get me some pics of your bios settings?

I have also just switched from a c0 to a d0 and im getting blue screens, used your settings a couple of pages back. Im looking to get 4.2ghz at decent voltages but dont seem to be getting there :(

My c0 did 4.2ghz at 1.375v not sure on this d0 i have though. Maybe like you did i need a clean install of win7 lol :p

Many thanks
 
Got 3.8 on my 930 quite easily, stuck in stock volts and upped the qpi slightly.

IBT runs 5 passes fine, LinX runs 20 passes fine (both on max) and prime95 ran blend for 12 hours, and then blue screen with IRL not Less or equal. Anything to worry about or is it telling me I need more QPI? 12 hours prime I think is pretty stable.

I think this will likely be my 24/7 clock although I will try for a stable 4ghz which I'm struggling with a bit atm.

Any hints on whether to leave it or what I should up would be appreciated.

I've stuck a Noctua D14 in this rig and at 1.35 volts I'm just hitting 81c. Very impressed with this cooler, it's running silent also, and putting the fans on full don't seem to make a great deal of difference to temps.

4410377245_7eaeb2b591_b.jpg
 
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InkZ said:
Got 3.8 on my 930 quite easily, stuck in stock volts and upped the qpi slightly.

IBT runs 5 passes fine, LinX runs 20 passes fine (both on max) and prime95 ran blend for 12 hours, and then blue screen with IRL not Less or equal. Anything to worry about or is it telling me I need more QPI? 12 hours prime I think is pretty stable.
Click to expand...

Primes should run for days.

Up the vcore a notch and turn off LLC in the bios and see if that helps
 
RBL said:
How is it with RAM? Should I keep my RAM memory running near original frequency (1333mhz 7-7-7-20)? Currentely I run it at 1600mhz (9-9-9-24) with my i7 860@ 4.0 1.36V OC. (Ram is OCZ Platinum Dual Channel 1333mhz 8gb)
Click to expand...

1333mhz 7-7-7-20 would actually be quicker than 1600mhz 9-9-9-24 as you have less latency on the 1333mhz.
 
I were getting system lockups in just one game (Sacred 2) so I decided to rerun a stability test on my CPU overclock, doing 1 hour of Prime:



1.31v CPU, 1.31v QPI, 1.64v ram.

Everything seems fine. I also googled my batch number, and surprisingly this review came up using my batch number running at over 5 Ghz on an EVGA Classified:

http://www.anandtech.com/printarticle.aspx?i=3561

So I have a good batch, but mine isnt stable at 4.0 Ghz :(. Must be the 12 Gb then, changing my CPU would be pointless, I have good temps for air and have reseated it 3 times already to get them, so I really dont want to change either the CPU or Motherboard unless they fail.

I finally managed to get 4.2 Ghz stable, but darn the temperature ...

 
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VortexA1 said:
1333mhz 7-7-7-20 would actually be quicker than 1600mhz 9-9-9-24 as you have less latency on the 1333mhz.
Click to expand...

After CPU overclock I can't set my RAM to 1333mhz 7-7-7-20 anymore. I have a choice of 1200mhz 7-7-7-20 or 1600mhz 9-9-9-24. I left it at 1600 as it seems a little bit more responsive.
 
ok would like some input on this one. Got the 930 @ 4ghz and managed to get 50 passes on LinX, but my vcore seems really high compared to the 920's @ 4ghz.

Am I doing something wrong, have I got a duff chip, or do the 930's need more volts? I'm not greatly experienced in clocking, I stuck my q6600 @ 3.2ghz which was easy.

In my screenshot a few posts up I achieved 3.8ghz @ 1.225v vcore, but to get to 4ghz I've had to pump in 1.356v which seems a big jump.

I wish there was more data on the 930's so I could see what others are doing.

4ghz:

 
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easyrider said:
Primes should run for days.

Up the vcore a notch and turn off LLC in the bios and see if that helps
Click to expand...

Why should prime run for days ?

Do you leave your computer running 24/7 with all cores maxed normally ?

If your overclock is what you want and stable with what you use your PC for..
Why waste the electricity..

:confused:
 
twitch said:
Why should prime run for days ?

Do you leave your computer running 24/7 with all cores maxed normally ?

If your overclock is what you want and stable with what you use your PC for..
Why waste the electricity..

:confused:
Click to expand...

Exactly what someone would say when they can't/don't know how to get their system stable. :rolleyes:

Or you just don't understand what stable means.
 
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twitch said:
Why should prime run for days ?

Do you leave your computer running 24/7 with all cores maxed normally ?

If your overclock is what you want and stable with what you use your PC for..
Why waste the electricity..

:confused:
Click to expand...

FFS

Should be able to then....

From this you are living in the realms of a deluded overclock.

I beat myself up getting my 24hr prime shot. Not for anyone else other than me.

I'm going to suggest your 4ghz clock is not true unless you show a screenie of a 24hr prime stablity shot at Blend.

Cheers
 
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