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my 2500k overclock - Page 2

post #11 of 19
Congratz m8 nice overclock, nice volt. If this baby is 100% stable the you did a nice job.
How long did you work to get the settings for running it like this?
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post #12 of 19
Quote:
Originally Posted by Sir Amik Vase View Post
No, it depends on your chips batch. Some are 'golden' ie they can do extremely high clocks with low voltages, and some are just terrible which hog the volts to get a low OC.
Welcome to the luck of the draw
not really... as somone mentioned to get above 4.8ghz requires a substantial increase in voltage regardless of a chip being golden or not. Btw my HT is on will turning it off make a difference?
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post #13 of 19
Thread Starter 
im running on that voltage but only cos i was messing about trying to stop it lowering its clock to save energy ive had it stable using 1.33V... only tested it on prime for like an hour cos i put my chip in a mates pc but we were benchmarking fine on it!

as long as this turnes out to be stable im gonna leave it as it is (i dont realy see any point in lowering the volts). the only problem is that my board can only supply 1.35V to the cpu so i dont think im gonna be able to get any higher! i might try for 4.9 next time i get bored!

ive got multi set to 48 (chip runs at 99.8 not 100) and ive set voltage to 1.34 with vdroop on high... other than that i just turned off c-state speed step etc.

ill start up intel burn test now and let it do like 200 passes to make sure everything's ship shape and bristol fashion

EDIT: @ Mr Eiht Not long rele me an viridian just spent a bit of time messin with it till we came to the conclusion that we could get away with 4.8 @ 1.33V... Chuffed to bits with it
Edited by Iam4423 - 3/25/11 at 6:17pm
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post #14 of 19
Quote:
Originally Posted by Iam4423 View Post
im running on that voltage but only cos i was messing about trying to stop it lowering its clock to save energy ive had it stable using 1.33V... only tested it on prime for like an hour cos i put my chip in a mates pc but we were benchmarking fine on it!

as long as this turnes out to be stable im gonna leave it as it is (i dont realy see any point in lowering the volts). the only problem is that my board can only supply 1.35V to the cpu so i dont think im gonna be able to get any higher! i might try for 4.9 next time i get bored!

ive got multi set to 48 (chip runs at 99.8 not 100) and ive set voltage to 1.34 with vdroop on high... other than that i just turned off c-state speed step etc.

ill start up intel burn test now and let it do like 200 passes to make sure everything's ship shape and bristol fashion
why? you should be able to raise the tdp in your bios to supply more juice to your processor. Atleast that's how mine is.

Disable all the energy saving features on the cpu and also disable the heat monitoring feature... then raise the max tdp to 200-300 and overclock it to your hearts content
Edited by badatgames18 - 3/25/11 at 6:21pm
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post #15 of 19
Thread Starter 
HELP!! i had ibt running for about 30mins then i noticed that the miltiplyer was switching between 48,41,42 and 43 mostly staying at 4.8 but still tho it wasnt doing this on my mates board last week!
the clock stays at 48 except under stress testing (as far as i know i dont look at the cpu speed much otherwise) iv taken the voltae up to 1.35 which is the highest my bios will let me and the same thing happens. im only confused because the board i had it in last week is just the upgrade of my board and it was working fine on 1.33v no drops in speed!

@badatgames18 - ive turned off anything energy saving i can find and thats still all it will let me give! might be a stupid question but whats tdp?

UPDATE: i have tried going down to 46x and even 43x and the same thing happens!
Edited by Iam4423 - 3/25/11 at 7:37pm
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post #16 of 19
It is the thermal design power... it is basically how much electricity a processor is able to consume. It seems that you have speedstep enabled if it is still dancing between core speed. It might be called something different on your board, on mine it isn't called speed step but c1e. Disable this and you will have a completely static overclock. If you increase TDP your processor will be able to consume more electricity thus giving you the option for higher volts and overclocks.

Having c1e or speedstep enabled depending on your board means that if it is not under load it will reduce the processor's core speed to consume less energy. I think you forgot to turn that particular setting off in the bios or else it would be a completely static overclock. Go back and check all of the advance cpu settings and see if you missed one. That should fix your problem.
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post #17 of 19
Thread Starter 
no ive already turned off speed step with that on it takes me down to 16x the only thing i have left on that im not sure about (as far as im aware) is 'execute disable bit (XD)' but i have no idea what this is so im hezetent to turn it off!

ill see if i can find tdp but im not sure
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post #18 of 19
Quote:
Originally Posted by Iam4423 View Post
no ive already turned off speed step with that on it takes me down to 16x the only thing i have left on that im not sure about (as far as im aware) is 'execute disable bit (XD)' but i have no idea what this is so im hezetent to turn it off!

ill see if i can find tdp but im not sure
hmm... did you set the 48 multi as the turbo multi? or as the standard multi... some boards like mine have the option of overclocking either or, and if you have different values for the turbo and standard it could be switching from one to the other.

If no, then keep an eye on the voltage during load. If you are seeing significant vdroop then that's probably the reason why you're seeing a slight drop in core speed. To be honest, other than the reasons i mentioned above i don't see why your overclock moves around. Unless that's how your board is built to function.

my overclock stays exactly the same even on IBT max w/8 threads running, also on idle
Edited by badatgames18 - 3/25/11 at 8:06pm
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post #19 of 19
Thread Starter 
hmmm... no matter what i do it always goes the same! and you were right the voltage spikes when the speed dips.
considering i wasnt having this problem on a better board i think im gonna put it down to a cheap board and hope i dont have the same problem when i get a new one!

im gonna monitor it durin games and other day to day stuff to see how it work for that, if its stable for the day to day then ill be happy for now!

i only have a normal multiplier no turbo


i couldnt leave it alone so i flashed my bios to the latest version and so far so good 4.79GHz @ 1.33V
its staying at the full clock under prime and IBT so im gonna leave IBT running overnight and see if its all good!
Edited by Iam4423 - 3/25/11 at 10:01pm
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