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2600k won't boot past 4.4ghz...? - Page 2

post #11 of 31
Quote:
Originally Posted by XeloX;13598879 
True, but 1.7v for pll is nowhere near harmfull.

thank you. Appreciate the knowledge. since I really didn't understand what PLL is tongue.gif
    
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post #12 of 31
er, nvm....already posted
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post #13 of 31
im not quite sure if this can help you with your issue, can you enable the speedstep and see if it resolves your issue? Dont ask why, just give it a try. =)
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post #14 of 31
Quote:
Originally Posted by Indulgence;13602684 
im not quite sure if this can help you with your issue, can you enable the speedstep and see if it resolves your issue? Dont ask why, just give it a try. =)

why tongue.gif
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post #15 of 31
2600k clock a lot differently than the 2500k , usually needed more volts for the same clocks on average. My 4.5ghz needs a minimum of 1.310 for 24/7 stability and 1.53+ for 5.0ghz, my 4.8 clock needed 1.435 minimum, so yeah it seems most 2600ks clock like this, i see a lot of really good 2500ks but not a lot of 2600ks that perform voltage wise like the 2500ks.
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post #16 of 31
Could be a crappy chip. I would set cpu voltage to 1.5V and disable pll overvoltage. See what's the highest multiplier you can boot windows, but do not do anything else. Then turn pll overvoltage on and see what the highest multiplier you can boot now. Remember, don't do anything but see if windows will load at 1.5V. this is just for multiplier testing. IMHO, if you can't boot 48-49x with pll overvoltage disabled you have a crappy chip.

for comparison purposes, all my 2600k's need 1.32v-1.38v (load) for 12h prime blend stability at 4.8ghz with pll overvoltage disabled.
Edited by compudaze - 5/22/11 at 9:03pm
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post #17 of 31
My 2500k and Extreme 4 were really weird; I wouldn't be able to boot 4.5, 4.6, or 4.7, but I did their 4.8 auto OC and it worked fine. Then I just changed it manually to 48 multi and set the voltage as offset and LLC to 3.

Another issue I would have is after running OCed for a while it wouldn't boot ANY other frequency, even stock. But clearing CMOS would fix that.

So try the 4.6 or 4.8 auto OC then change the settings manually and try to get the lowest stable voltage. Or try clearing CMOS then going past 4.4.

Hope this helps
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post #18 of 31
Don't worry I can't get stable 4.5ghz with my chip either although i haven't started really trying to push it (past 1.35vcore).
There is literature around the internet that states only 50% of chips can get past 4.4-4.5ghz.
This is also not the first thread on this now. I made one, someone made one recently.
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post #19 of 31
Thread Starter 
I reset the Cmos, tried 1.45v at 4.5ghz with speedstep enabled.....it would not even post. Then I tried the same thing with PLL overvoltage enabled.....then I tried PLL OV with speedstep disabled......then I cleared CMOS and tried ASrock's auto OC 4.6ghz at 1.50v, no POST. I've tried like every combination.
Oh well I haven't tried HT off at all yet.

I have an SS phase, thinking about throwing that on and seeing if it helps at all. I don't really know what else to try.
post #20 of 31
that sucks man.. i am about to believe that you have a crappy chip..

wait, can you even do normal routines with no OC at all? everything at stock?
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