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~~~~~IMPORTANT SANDYBRIDGE OC INFO: Voltages & OC Guide!!~~~~~

Not sure what's going on but recently it seems that I need to put 1.345vcore to do 4.4ghz stable in linx. I can pass 12hours of prime small fft and blend with 1.325vcore.

I think this has happened since I've put in another 2 sticks of ram D:. I can't be sure though unless I remove them but Frio+asus p8p67 + antec 900 means I'd have to remove the mobo from case to remove ram!
 
hi, I have a shuttle computer, I am having problems with the grapthics, I have tried onboard grapthics, and the PCI-E card. The monitor flashs when I plug up the monitor too it. I have allready tried the trick where you turn the shuttle on and turn it back off again, and remove the power cable as you got to turn it on and leave it off for 30 seconds, but then it still wont respond.
 
rchads89 said:
I actually have the same board as you lol, Im having a bad time with it though... All stability programs are saying that im stable. I have been running prime95 torture test for over 8 hours all came back fine, even blend. linx, intel burn test. But i keep getting BSOD code 124 at random times while browsing web or on idle. No idea why and i cant cure it!
Click to expand...

Do you have a MSI P67A C45? I do and get the same problems its soo annoying as I can't overclock as far as the chip allows.
 
Well the ASUS tech guy just did 5.2Ghz i7 2600K Overclock on ASUS Maximus IV Extreme P67 1155 from here
http://www.youtube.com/watch?v=lajZi-JAFXA
why would he do it if it would brake the cpu I was going to buy this and do this but know I may wait and see not sure why he did it if its degrade the chip:confused:

Jokester said:
1.5V seems to seriously degrade the chip in a matter of weeks if early reports are to be believed.
Click to expand...
 
my 2500k isn't linx stable at even stock settings anymore. I can prime small fft and blend for 12hours. I don't get it :(

blk has been always set at 100
vcore never gone over 1.38 except for a brief minute when I had everything on auto except multi for 46x to test.
ram has been at 1.65v for extended periods of time.
Temps have been under 60c at all times except when I had the stock cooler where it reached 90c for 3 hours or so.

I've been linx stable for 50runs with the clock in my sig! linx version 0.6.4 without updated libraries.
 
syfer1987 said:
Well the ASUS tech guy just did 5.2Ghz i7 2600K Overclock on ASUS Maximus IV Extreme P67 1155 from here
http://www.youtube.com/watch?v=lajZi-JAFXA
why would he do it if it would brake the cpu I was going to buy this and do this but know I may wait and see not sure why he did it if its degrade the chip:confused:
Click to expand...

He's marketing bod - he doesn't care if 1.5v is going to kill CPUs, he's just trying to sell a motherboard by going 'hey, look how easy 5.2GHz is!'.
 
syfer1987 said:
will 4.6 kill your cpu? As I think the Overclock on ASUS Maximus IV Extreme has a pre configured 4.6 somewhere in the bios
Click to expand...

no frequency will kill it, only the voltage. If you can get 7ghz on 1.1v then it'll be just dandy. Its when you want 4.5+ on more than 1.38-1.40 24/7 that is the long term worry.
 
Vegeta said:
Do you have a MSI P67A C45? I do and get the same problems its soo annoying as I can't overclock as far as the chip allows.
Click to expand...

its a unbalance between voltage and synking issues inside the chip.
I would check vcssa and increase its voltage
if it bluescreen at idle or light work ie surfing, its not stable.

no matter as if you run load, the vcore increases.
so, tweak the voltages.
 
Turns out my 2nd 4gb kit (2x2gb) is throwing up errors in memtest after an hour or so. Funny thing is prime small and blend were able to pass 12 hours each but linx with max mem (had 8gb) would error right away. IBT seemed to pass 10 fine as well.

So much for prime stable.
 
wow i am out of the computer scene but base clock of 100? is that not a bit pants?

back in the day it was always better to push that as far as you could before upping the multiplier.

glad i read this thread before trying to overclock! i take it the way the chips run is different these days? or is base clock not what i am thinking of?

cheers

ps what is the fastest i can safely hope to aim for on a stock cooler, at stock voltages?

am not gonna upgrade my cooler until i stick a new board in.
 
bigmike20vt said:
wow i am out of the computer scene but base clock of 100? is that not a bit pants?

back in the day it was always better to push that as far as you could before upping the multiplier.

glad i read this thread before trying to overclock! i take it the way the chips run is different these days? or is base clock not what i am thinking of?

cheers

ps what is the fastest i can safely hope to aim for on a stock cooler, at stock voltages?

am not gonna upgrade my cooler until i stick a new board in.
Click to expand...

The BCLK can't be touched as it's the clock on the ring bus, so will OC SATA, PCIEX and all sorts of stuff you don't want to clock, but clocking the multiplier is as easy as pressing a button.

Imo, on stock cooling 4.2-4.3ghz should easily be attainable with lowish temps and vcore around 1.2v
 
Well then, LLC seems to make my system unstable past a certain level.

I am currently (back) at 4.6Ghz on my i5 2500k, and so far, all looks good. Before, using LLC Level 1 or 2 (On my ASRock P67 Extreme4) meant that not even 1,38v (fixed Vcore) loading Vcore was stable at 4.6Ghz as the thing would randomly BSOD at idle.

Now, using -.05 Vcore offset on LLC level 4, so I can actually have an idle Vcore of 1v, but at Prime Blend my Vcore is now 1.344v and so far, it seems to be stable. Strange days, and I will continue testing but so far, so good.
 
What's the deal with having Load Line set to extreme on Asus boards?

I find i can get a very decent overclock at 4.8 @ 1.35v if i use this setting, along with PPL overvoltage enabled.

With high or ultra high, the BIOS needs more volts to compensate for the drop, so what am i best doing :

-1.35v with extreme LLC
-1.385v-1.40v with high/ultra high

Thanks.
 
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