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Underclock/Overclock my 3930k

post #1 of 22
Thread Starter 
Hey guys,
To play a specific game, i have to overclock manually my CPU (not via the BIOS) by raising BCLK (not the multiplier). With that said, I can't use AI Suite III to help me do it.
What I'm doing is start by underclocking the BCLK to 96Mhz in the BIOS, so I can raise it more manually afterwards. The problem is that it crashes everytime I raise it more than 3Mhz. So it can't reach 99Mhz when I start from 96Mhz, or it can't reach 103Mhz when I start from 100Mhz.
I've been doing it with my i7 2600k easily from 97.5Mhz to 106Mhz, but now that I upgraded, I can't do it anymore...
What I mean by crashing is that the PC freezes, and I have to shut it down myself. Then when I reboot, it says overclocking failed!
I don't play with the voltage, since I never did with my 2600k and it worked well.
Any suggestions to help me raise BCLK more than that?
Thanks

My build :
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ASUS X79-DELUXE
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Edited by jasonkidd123 - 7/22/15 at 2:04am
post #2 of 22
Stop messing with the BCLK and leave it at 100.

There is no reason you can not use the multiplier. You should also be using the bios. Why can't you use the bios to change the multiplier?

BCLK is linked to nearly every other frequency in your system it is not surprising you are experiencing crashes.
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post #3 of 22
Thread Starter 
I know that it's better not touching BCLK, but for this game, it's all about BCLK, and multiplier is useless.
So I need a way to raise it safely, but more than 3Mhz
post #4 of 22
Quote:
Originally Posted by jasonkidd123 View Post

I know that it's better not touching BCLK, but for this game, it's all about BCLK, and multiplier is useless.
So I need a way to raise it safely, but more than 3Mhz

You have no idea what you are talking about. Having a higher BCLK is not going to give you better performance in any game because the CPU frequency does not get raised as much. The BCLK is a base clock linked to several multipliers such as:

CPU multi
SATA
USB
RAM
PCI-E

changing the BCLK also changes the frequency in those other areas and can cause data corruption and instability.

If you want more performance than you should be using the multiplier to OC like SB was made to be.

BCLK was used like you are trying to use it in past generations but from Sandy Bridge onward that no longer applies.
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post #5 of 22
Thread Starter 
I believe I know this game more than you my friend. And like I said, it's all about the BCLK.
post #6 of 22
Quote:
Originally Posted by jasonkidd123 View Post

I believe I know this game more than you my friend. And like I said, it's all about the BCLK.

No one is going to help you here if you are going to be ignorant.

It's not about BCLK. I just told you what BCLK does and a higher BCLK does not correlate into more FPS. Raising the CPU multiplier will dramatically effect clockspeed whereas BCLK will cause instability and barely raise clock speed.

More clockspeed = more FPS. It is not matter what game it is.
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post #7 of 22
Quote:
Originally Posted by iinversion View Post

No one is going to help you here if you are going to be ignorant.

It's not about BCLK. I just told you what BCLK does and a higher BCLK does not correlate into more FPS. Raising the CPU multiplier will dramatically effect clockspeed whereas BCLK will cause instability and barely raise clock speed.

More clockspeed = more FPS. It is not matter what game it is.

BLCK vs Multi= the same

the proof you will need same voltage to reach 4.5ghz (100*45) Or (125*36) because the core will work at the same clock

The BLCK oc maybe boost some of benchmark result but not that much at all
   
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post #8 of 22
Quote:
Originally Posted by Mr-Dark View Post

BLCK vs Multi= the same

the proof you will need same voltage to reach 4.5ghz (100*45) Or (125*36) because the core will work at the same clock

The BLCK oc maybe boost some of benchmark result but not that much at all

They are not the same because as I mentioned above changing the BCLK(unless done on a strap) will change other frequencies I mentioned. Yes, they will reach the end result in terms of CPU clock, but any significant deviation from the BCLK strap will result in instability and is not recommended for 24/7 usage.


OP is trying to say that a 105(or whatever) BCLK will have more benefits than OC'ing with the multiplier regardless of what CPU clock ends up being.
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post #9 of 22
Quote:
Originally Posted by jasonkidd123 View Post

I believe I know this game more than you my friend. And like I said, it's all about the BCLK.
As iinversion said, don't bother with overclocking the BCLK. Technically you will gain PCI-E bandwidth from it, but the difference will almost certainly not be noticeable in real world use given the BCLK can only be raised little. Even then, you would need a high clocked flagship GPU to take up all the PCI-E 2.0 bandwidth (if a modern flagship even can yet). Stick to using the core multiplier because it is safer, easier, and more reliable. Both options will result in raising the CPU clock, so why put more strain on your motherboard's north bridge for almost unnoticeable gain?
 
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post #10 of 22
Thread Starter 
The game supports internal timing regarding the clock frequency of the Front Side Bus (FSB) / BCLK which is read and sent by the basic input / output system (BIOS). If someone overclocks this FSB / BCLK frequency with certain software, it differs from the actual frequency that is sent by the BIOS. This has an impact on the basic calculation of the game and makes you gain advantages from this.
That's why I'm saying the multiplier won't make a difference, while the BCLK will
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