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2500k Wont OverClock Higher then 4.2 - Page 5

post #41 of 60
Quote:
Originally Posted by pn0yb0i View Post

Have you tried 1.4v+ @ 4.4, if it works then - its a high voltage chip. Check its stock Voltage as well to confirm

he has it booting at 1.275v for 4.2Ghz... 1.4v for 200 more MHz is bad. if it takes that much go to intels website and pay the 20 bucks for a replacement chip.
post #42 of 60
Thread Starter 
Quote:
Originally Posted by Ryanhabs View Post

he has it booting at 1.275v for 4.2Ghz... 1.4v for 200 more MHz is bad. if it takes that much go to intels website and pay the 20 bucks for a replacement chip.

4.4 at 1.375 not 1.4 Thats a big difference i think. ok i think i will contact Asrock Becuase i dont have the money to buy a new board i am only 14
 
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post #43 of 60
Quote:
Originally Posted by liljoey112 View Post

Ok i Have a 2500k clocked at 4.2 On an asrock Fatal1ty P67 Professional I used The f stream tuning to OC heres a screen shot 338 Also here are my temps 338 I think it might be my MOBO but any suggests would help. This is also my First OC Some i dont really know alot about it so no flamming me please. i Also passed Prime 95 for 12 hours temps never passed 58

4.4 GHz is GOOD..Let's start by remembering that there's no guarantee when it comes to over clock speeds. The 2500k is only guaranteed to run a max spped of 3.7 GHz and ANYTHING above that is cake. I've over clocked about 13 CPUS over the years and no 2 were the same. I just switched from OCing AMD to Intel and found Intel much easier to OC. I was on another thread and some members told me they were only able to get a 4.2-4-4 GHz Max on there cpus while others got higher with the same (myself included). It all depends on the CPU, please keep that in mind, before you damage your hardware.

If you are having issues getting higher OC's it might be your CPU and not your MOBO. So keep that in mind before you go spending money that won't get you any better,

And good luck sir
Edited by Bravo2010 - 2/29/12 at 1:23pm
 
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post #44 of 60
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arrrrrrrrrrrrrrr it wont even boot at 4.3 mannnn i hate this
 
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post #45 of 60
Log on to your newegg account and click on the my newegg tab on the left of the screen. you should get an option for refund / return. Clicking that will show you your recent invoices and it will also show you what options you have for return / replace for the MB if that is the route your looking to go.

As for each chip not being the same and the no guarantee for overclocks, Yes... that's correct but even Intel knows that some K versions are just really bad and offers a replacement for your chip for 20 or 25 dollars for the 2500k and 2550k. I think its 30 bucks or something for the 2600k and 2700k. Keep in mind these "K" chips were supposed to be enthusiast chips and while there is no promise that each will hit 5.0 or higher I have rarely seen one that is not capable of passing 4.2Ghz. One that needs a full 1.4v to try to boot @ 4.4 is actually one of the worst I have seen out of about 13 sandybridge chips I have personally set up with an OC. Mine is @ 4.87 on 1.38v (50 passes of intel burntest says its pretty stable too.) There is a breakdown in your set up somewhere and if your POSITIVE you have followed a good OC guide and nothing is helping I would think its your MB first. If it turn out to be the chip, hit up intel's website for a replacement.

337

That is my 24/7 set up on air... it a little warm in the temps as its about 83F in my room today but my temps still only maxing in the mid 50's. They will drop when I start using the central air again.

If you decide it's the cpu read up on this article. http://www.techpowerup.com/158957/Intel-Introduces-CPU-Replacement-Plan-Targeting-Overclockers.html
Edited by Ryanhabs - 2/29/12 at 2:35pm
post #46 of 60
Hmm. Im in RI maybe I should come down and kick the crap out of that CPU/Mobo. thumb.gif

Its tough to solve without seeing all your BIOS settings, but I am going to assume ours are very similar. Here is what I see. Your PLL voltage is very high and your VTT may be a little high. I know some ASRock mobos do this, but I have had more success with lower settings. For instance I was able to get up to 4.8GHz with PLL overvoltage disabled, and manually setting it to 1.668v. I am currently testing lower voltages to see if it remains stable. Although my CPU seems to be very good.

Try these settings: Start at a 42 multiplier then increase by one until you run into issues. NOTE: if it still doesnt boot with a 44 multi try 45 46 anyways, maybe it just doesnt like 44.

CPU Ratio: 42,43,44,45 etc.
PLL Overvolt: Disabled
Speedstep: Enabled
Turbo Boost Limits: 250/250/1
Turbo Voltage: Auto
Core Current Limit: 200

BCLK: 100
Spread Spectrum: Disabled

Power Saving: Enabled
CPU Voltage: Offset
Offset: +.005v if you still cant get past 42 multi increase to +.050v
LLC: Level 3
PLL Voltage: 1.668v or one setting higher
VTT Voltage: 1.0v-1.1v

C1E: Enabled
C3: Disabled
C6: Disabled
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post #47 of 60
Quote:
Originally Posted by franz View Post

Hmm. Im in RI maybe I should come down and kick the crap out of that CPU/Mobo. thumb.gif
Its tough to solve without seeing all your BIOS settings, but I am going to assume ours are very similar. Here is what I see. Your PLL voltage is very high and your VTT may be a little high. I know some ASRock mobos do this, but I have had more success with lower settings. For instance I was able to get up to 4.8GHz with PLL overvoltage disabled, and manually setting it to 1.668v. I am currently testing lower voltages to see if it remains stable. Although my CPU seems to be very good.
Try these settings: Start at a 42 multiplier then increase by one until you run into issues. NOTE: if it still doesnt boot with a 44 multi try 45 46 anyways, maybe it just doesnt like 44.
CPU Ratio: 42,43,44,45 etc.
PLL Overvolt: Disabled
Speedstep: Enabled
Turbo Boost Limits: 250/250/1
Turbo Voltage: Auto
Core Current Limit: 200
BCLK: 100
Spread Spectrum: Disabled
Power Saving: Enabled
CPU Voltage: Offset
Offset: +.005v if you still cant get past 42 multi increase to +.050v
LLC: Level 3
PLL Voltage: 1.668v or one setting higher
VTT Voltage: 1.0v-1.1v
C1E: Enabled
C3: Disabled
C6: Disabled

Those are all helpful but a have to agree with Ryanhabs ,, it should't be this hard to go past 4.2. A nicely binned CPU should hit 4.4-4.6 IMO without any changes execpt for the multi.. we should at least agree on that before we proceed. The OP should if he can get a CPU replacement he doesn't even need to say the CPU won't go past 4.2 he could say the CPU doesn't boot in turbo or what ever and get a replacement for free.. either way that CPU should go.
Edited by Bravo2010 - 2/29/12 at 3:14pm
 
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post #48 of 60
Sorry, no time to read the whole thread because I need some sleep. Just read OP and watched vid.

Try this:

Energy-saving stuff off, power limits up.

Blinking cursor => PLL voltage (Always is for me)

VCCIO : 1.05
Vcore: 1.27
VCCSA: 0.925
PLL: default (AUTO I presume)
RAM: 1333, loose timings for now

Now, get 4.2 stable with the lowest Vcore ( just do 20 minute runs of 1344 and 1792 in Prime95)

Then start with PLL voltage from the absolute lowest and find the lowest stable PLL-voltage.

Continue overclocking up to 4.9 - 5 Ghz wink.gif

It's possible you'll need to give your VCCIO some extra juice at higher CPU/ RAM speeds. But never up the voltage for no reason. If there's anything I learned on SB: Don't cut corners while OC'ing
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post #49 of 60
Thread Starter 
Ok thanks REP+ to EVeryone who posted in the thread because everyone was helpful i will try all your settings tommorw. Also if i contact Intl and tell them that my chip wont go past 4.2 will they send me a free replacement? Also i heard about trading my 2500k in for a 2600k for only 30 bucks?
 
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post #50 of 60
I find its always best to not go into too much detail when returning something for warranty. Unless you already singed up for the PTPP on intel's site I would just say your cpu is failing. If they ask for more details tell them its stock settings and you have not messed with the bios at all. they won't believe you but your just covering your ass. If you have signed up for the replacement plan then give them your activation code and they won't ask any questions. I would love to read about this upgrade from 2500K to 2600K for 30 bucks. Do you have a link to where you read about it?
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