overclocking NON 'K' version 2600?

kilohawk

kilohawk

kilohawk

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Hi guys! Its exam revision time, and im coming up with fun ways of procrastination :p
Im confused by what happens when I try overclocking my i72600 non-K
I know its not overclockable by using the multiplier (mostly) and that bclk is the only way.
Currently, ive got it set to 1.3v manually, with multi set to 42 (max) and 104 bclk which gives over 4.3Ghz until i stress it with prime, at which point the speed drops to 4Ghz. why is this happening?
and its probably a bad idea, as im hitting 75dC after 5 mins with this awful cooler!!
Cheers or your help!

(and before you tell me im daft for not getting a 2600k, I had no intention of overclocking.....and it cost me £140 new :cool: )
 
AHAHAHA

1) i am also meant to be revising and am procrastinating

2) i also have a 2600 (non-k)

3) i also got it because it was a lot cheaper and thought i wouldn't want to overclock on it


:p :p :p

ill be VERY interested in hearing the answers :p
 
Hahaha!

exams are bad for my PC, the only reason iv'e go this one is because i blew my old one up overclocking it during the December exam period :p

any other time of the year, a none K version is fine.....
 
Sooo, upping the bclk seems the only way to go, but what (if any) are the implications of this? and what are the limits before they kick in?
Does it just mess with the Pci-e lanes, or can it actually cause damage?

Am I also right in thinking that changing the bclk wont make any difference to the memory speed?
 
non-K processors are not designed to be overclocked.
increasing the bclock is not recommended.
http://www.overclockers.co.uk/showproduct.php?prodid=CP-359-IN&groupid=701&catid=6&subcat=1859

***OVERCLOCKING GUIDELINES***

- Do not exceed 1.35-1.38v core voltage, doing so could limit lifespan of the CPU
- Do not overclock with BCLK, again doing so could limit lifespan of the CPU
- Recommended memory voltage is 1.50v, so make sure to run your memory at 1.50v, higher could limit lifespan of the CPU
- These recommendations come from OcUK and Intel, your warranty is un-affected but we highly recommend you adhere to the above to make sure your CPU lifespan is un-affected
- All Sandybridge CPU's worldwide should be run at the above or lower voltages, no higher!
 
I've read that, and there seems to be ongoing arguments within the forum around the memory voltages and Vcore, so the guidelines must be somewhat out.

What confuses me is, how can upping the Bclk damage the CPU, surely its just the same a increasing the multiplier?
Also, are the non K's just the same ,but with a different iGPU / unlocked multi??
 
kilohawk said:
I've read that, and there seems to be ongoing arguments within the forum around the memory voltages and Vcore, so the guidelines must be somewhat out.

What confuses me is, how can upping the Bclk damage the CPU, surely its just the same a increasing the multiplier?
Also, are the non K's just the same ,but with a different iGPU / unlocked multi??
Click to expand...

No.

The Bclk is the 'Base' clock everything else runs at.

It is not like FSB where that could be changed very easily.

You will have to read articles on SB architecture to understand why this is.
 
The none K processors can be OC'd to a multiplier of 4 over the rated 'turbo' for your CPU. In other words you have a stock speed of x34, a turbo of x4, and then additional headroom of another x4.
This brings your max multiplier to x42 (34+4+4), which at the default BLCK of 100 will get you to 4.2GHz (or at least really close to that).


This is a turbo boost OC, so your idle clock will still be 1.6GHz, Windows will still say that it is at 3.4GHz, and your clock at load will vary (wildly in some cases). But still up to 4.2ghz sometimes.


You can safely change your BCLK to 103mhz in my opinion, this will give you 4.32ghz. Some say 105 is fine and some say 108 is fine, I would not be happy at 108, maybe 105 would be OK.
 
Cheers, will try 105 later.
How come some people are saying bclk is safe, and some people are saying could fry the board? i understand that bclk is the speed of most of the controllers within the cpu?

And why does the clock speed drop when the cpu is under 100% load?
 
Upping BCLK won't damage anything, it might cause data loss and so on as it'll impact the stability of things like SATA and PCI-E busses being run at a higher frequency than otherwise.
 
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