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Unlocked Multiplier Question

post #1 of 12
Thread Starter 
Hey guys, I plan to upgrade my system soon (cpu, ram, mobo...and you can see why) and I'm pretty sure I will be going AMD. My question is about the Black Edition CPU's (haven't decided on x6 or x4 yet) and their unlocked multipliers. Can the multiplier be changed on any modern motherboard? Because I don't want to pay a premium for an unlocked multiplier and not even be able to change it once I get everything installed. Thanks for any help!
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post #2 of 12
You need a CPU with an unlocked multiplier to futs with the multiplier. Otherwise you're limited to altering the FSB.
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post #3 of 12
Thread Starter 
That's what I'm saying, with a Black Edition CPU with an unlocked multiplier, do I need to worry about purchasing a motherboard and for some reason it not letting me alter the multiplier?
Zeus
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Zeus
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post #4 of 12
NO, that option is controlled simply by the CPU not the mobo.
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post #5 of 12
Quote:
Originally Posted by brandon5377 View Post
That's what I'm saying, with a Black Edition CPU with an unlocked multiplier, do I need to worry about purchasing a motherboard and for some reason it not letting me alter the multiplier?
Any non-OEM channel motherboard will let you futz with the multiplier.

The only boards that don't let you alter the multiplier are boards from pre-built computers, with locked-down BIOSes.
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post #6 of 12
You don't need to worry about that, as the multiplier will be unlocked no matter your motherboard.

You do however, want to find a motherboard that uses a power phase other than 4+1 if you plan on overclocking. Otherwise, your system may end up unstable, or you'll burn your entire house down.

But mainly just the stability thing.
post #7 of 12
The unlocked multi is a function of the cpu,and should work on any motherboard.

Gyro
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by Intricate09 View Post
You don't need to worry about that, as the multiplier will be unlocked no matter your motherboard.

You do however, want to find a motherboard that uses a power phase other than 4+1 if you plan on overclocking. Otherwise, your system may end up unstable, or you'll burn your entire house down.

But mainly just the stability thing.
Hm..I've built more than a few systems in my life..and never even heard of power phases? I did some research and apparently has something to do with the VRM's, which are a pretty big deal and I want to kick myself for having over looked it, how do you verify what the power phase is on a certain motherboard?
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Zeus
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post #9 of 12
Unlocked CPU's should work on any X4/X6 compatible motherboard.

If you are serious about overclocking to the limits then I suggest the 890FX northbridge chipset motherboards, otherwise the lower 880G's and so on should be fine for modest overclocks, but stay away from 7xx motherboards if you are going with a Hexacore processor since they aren't compatible to even run.

AMD motherboards are rather cheap so I wouldn't worry about it. You can find a top notch 890FX board for only ~$120 and the 880G and down the line are even cheaper.

Edit: on the motherboard's product page the power phase should be mentioned, or a reputable etailer like Newegg also often have those specifications.
Edited by Talon95 - 5/17/11 at 7:56am
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post #10 of 12
Quote:
Originally Posted by brandon5377 View Post
Hm..I've built more than a few systems in my life..and never even heard of power phases? I did some research and apparently has something to do with the VRM's, which are a pretty big deal and I want to kick myself for having over looked it, how do you verify what the power phase is on a certain motherboard?
Go here for more info http://www.overclock.net/amd-motherb...ence-list.html
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