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Benefits of unlocking the multiplier?

post #1 of 13
Thread Starter 
What exactly are the benefits of unlocking the multiplier?

I have a 2400+ T-Bred and I was going to get a new HSF for the hell of it and OC it, but I wanted to know, should I do the wire trick and unlock the multi?

I really have no clue the benefits of it, so what are they?
    
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post #2 of 13
It will take a load off your motherboard due to the fact you don't have to use as high of a FSB to acheive your overclock. You may also even overclock it further.
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post #3 of 13
The greatest benefit to an unlocked multiplier is the ability to squeeze a maximal MHz/GHz out of the CPU whilst still keeping it to or closer to the manufacturers specification and your dram, especially if you do not have a concurrent bus lock for your graphics and pci bus.

CPU companies do not create single speed processors. They fabricate a processor family and then create a multiple of the front side bus (fsb/htt). After the processor has been through a revision or two they are pretty well at a maximal overclock (other than shrinking revisions which will allow a higher overclock) and so you can if you have an unlocked processor find the highest multiple and then find the highest fsb.

One you have the highest multiple and the highest fsb you can marry the two and find your highest speed in conjunction with your ram speed.

If your ram can make a 230fsb and your multiple X fsb will allow you a 1:1 ratio with your ram and fsb then you will have a concurrent speed stream of data.

With the locked multiplier you have less ability to find that "Sweet Spot".

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post #4 of 13
That sucker has a 15x so having a variable whould behoove you.
    
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post #5 of 13
Quote:
Originally Posted by The Duke
That sucker has a 15x so having a variable whould behoove you.
Anybody know where Poge is so I can ask him which way was up with that pick?!!!
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post #6 of 13
Thread Starter 
Yeah, I saw that The Duke, I was wondering if 15x was the highest multiplier there was.
    
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post #7 of 13
See for your self
http://encyclopedia.thefreedictionar...icroprocessors

BTW, what PIC are you two refering to and about what?
    
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post #8 of 13
Thread Starter 
It shows a 16x multiplier in there, so I could kick a bit more out of it.

Why not I guess, I'll get around to doing this sometime.

Thanks Duke.
    
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post #9 of 13
A few links on it
http://www.sharkyextreme.com/guides/...709_1009731__6
See the below link and look for the TBred as it refers to the L3 bridges where as the above link details the L1 of the earlier Pally Cores.
http://fab51.com/cpu/barton/athlon-e23.html
    
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post #10 of 13
Thread Starter 
I was just going to use this guide.

http://www.overclock.net/faqs/41094-...lock-my-t.html

Is there any better way?

Btw, the second link is quite useful, thanks!
    
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