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[Engt]Shocker! Retail Core i7 CPUs caught using DDR3-1600 memory

2011 20
Quote:
The kids over at Maximum PC have told us a sordid tale involving Core i7 processors, "extreme heat and smoke damage," and a pair of jumper cables -- we'll spare you the details -- and have come to the realization that, contrary to popular belief, the retail version of the budget-minded Core i7 920 processor (and its midrange brethren, the 940) is shipping with unlocked multipliers and memory ratios. According to some "Deep Throat"-esque shadowy figure at Intel, the company chalks it up to a "marketing decision" made after receiving "requests from some of our customers." If this is indeed the case, customers will be able to rock the fast-paced DDR3-1600 memory without shelling out big money on a Core i7 Extreme Edition 965 CPU. And that ain't the least of it -- hit the read link for plenty of talk about QPI speeds and benchmarks. You'll be glad you did.
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Premium Member
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I dont get it.
 

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Power Squid
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I know that Core i7 has been out since the end of last year, but I've been able to adjust the memory multiplier and QPI multiplier since I got my i7 920 in January. I'm confused as to why the author of the article is so surprised by this.
 

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MAJOR facepalm.

This news is so old it isn't even funny. It has been well known for months now that the engineering sample Core i7 CPUs had locked memory multipliers, but the retail versions do not.

All aboard the MaximumPC failboat, next stop, FAIL!

To sum things up succinctly, Welcome to Q4 08, Maximum PC! We're so glad you could join us.
 

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Premium Member
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Haha so this is not really news haha. I dont understand corei7 overclocking anyway
 

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Quote:


Originally Posted by t4ct1c47
View Post

I know that Core i7 has been out since the end of last year, but I've been able to adjust the memory multiplier and QPI multiplier since I got my i7 920 in January. I'm confused as to why the author of the article is so surprised by this.

Same here. I don't have an i7, yet I've still been aware of this for some time.
 

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Premium Member
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Much ado about nothing.

If i7 920's came with unlocked CPU multi's though, that would be enough to make me switch out my AMD rig. As it stands the unlocked CPU multi intel chips are still a horrendous ripoff, whilst the unlocked CPU multi AMD chips are an amazing bargain.
 

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Quote:

Originally Posted by killerhz View Post
I have an i7 920 and my multi is 21? How can I get it higher?
Get an i7 940.
 

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Iconoclast
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Memory/QPI multipliers were never locked in the first place. DDR 1600, and much higher, should work for any i7 920, without issue, as long as you have your uncore clock high enough.

You still can't, and probably never will be able to, increase the CPU multiplier higher than the 20x (or 21-22 with turbo boost) that has always existed for the i920.
 

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Bundling Bundler
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Technically.... wouldnt the multipliers have to be unlocked to allow for any decent OC? From what I've read, the QPI bus cannot be overly adjusted by large amounts like the FSB setup on previous chipsets. Thus, OC would be depending mostly on cpu multi. There's also the fact that almost every review site has their i7 920/940's using a range of multipliers.

EDIT: nevermind.... I caught myself on that one. Referring to QPI/mem multipliers and not cpu multi. Havent really been keeping up on i7 since at this point it is way out of my price range.
 
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