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post #20021 of 28665
Quote:
Originally Posted by Tator Tot View Post
NB is limited to whole number dividers by AMD
I meant RAM dividers. My board only has 3 (not including the auto setting). It really should have more than 3 if it's going to claim that it's a good overclocking board. Hell my 939 DFI's have what like 10? (I'm not positive on that figure I just pulled it out of thin air ) And I don't even have as many MHz to cover with DDR as I do with DDR3.
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post #20022 of 28665
Quote:
Originally Posted by Tator Tot View Post
I'm an ENFP, though I can say my personality type doesn't change no matter what.
Tator, sorry we're definitely not a match

ESFJ
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post #20023 of 28665
Thread Starter 
Yo guys who have played with Black Editions: Why bother with playing with the RAM and the reference clocks so much if you can just simply lock the RAM speed down at stock (you can probably get performance gains through tightening the timings) and crank up the CPU divider?

That was ostensibly part of the "appeal" of the FX-series and Black Edition CPUs: The fact that you can get higher CPU speeds without messing with the other clocks so much. (Sometimes I think that fully-unlocked CPU multipliers are a bit of a cheat compared to upward-locked CPU multipliers; they seem far too easy to OC, relying just on increased VCore to maintain stability.)

Educate me on fully-unlocked CPU OCing, please, specifically in regards to the influence on RAM performance and stability.
    
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post #20024 of 28665
Joe, BO is running memory that is faster then what the AM3 IMC can do in terms of divider (max is ddr3-1333) so I think he's trying to play with the HT Clock speed to get it to run at it's advertised speed. I'm pretty sure this is the case :thinking
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post #20025 of 28665
Thread Starter 
Quote:
Originally Posted by thlnk3r View Post
Joe, BO is running memory that is faster then what the AM3 IMC can do in terms of divider (max is ddr3-1333) so I think he's trying to play with the HT Clock speed to get it to run at it's advertised speed. I'm pretty sure this is the case :thinking
RAM OCing for its own sake (testing), or part of a total system OC?

I guess you guys can tell I'm getting a little antsy about "starting anew."

Heh, I may as well offer an apology for not having contributed much (if anything) lately. But I'm so glad to see everyone here keeping our ship sailing merrily along.
    
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post #20026 of 28665
Quote:
Originally Posted by txtmstrjoe View Post
Yo guys who have played with Black Editions: Why bother with playing with the RAM and the reference clocks so much if you can just simply lock the RAM speed down at stock (you can probably get performance gains through tightening the timings) and crank up the CPU divider?

Educate me on fully-unlocked CPU OCing, please, specifically in regards to the influence on RAM performance and stability.
True you can just up the multiplier and be done with it. However, what I have noticed from playing around with the 720 is if I up the HTT and use a lower multiplier I can attain the same clock speeds at a lower vcore. For instance, if I use my preferred 225 HTT and a 16x multi the CPU only needs 1.46v (1.47 BIOS setting) to be stable. Now if I leave the HTT @ 200 and crank the multiplier to 18x, all of the sudden the CPU needs 1.52v (1.53 BIOS) to be stable. And obviously that translates in to lower operating temps as well. 49C with 18x and 43C @ 16x.

Quote:
Originally Posted by thlnk3r View Post
Joe, BO is running memory that is faster then what the AM3 IMC can do in terms of divider (max is ddr3-1333) so I think he's trying to play with the HT Clock speed to get it to run at it's advertised speed. I'm pretty sure this is the case :thinking
thlnk3r, my dilemma at the moment is that because there are so few dividers I'm stuck with running the RAM at eaither 1200 or 1500. So I'm trying to stabilize it at 1500. If there were a few more dividers I would actually prefer to run the RAM @ 1333 because I can achieve considerably lower timings than I can @ 1500.


Joe, I'll say a little bit more about the RAM later gotta give the kids baths now.


EDIT: Joe I'm for whole system stability at the moment. I checked the RAM last night and @ 1500 it passed 9 full runs of memtest @ 6-6-6-18-24-1T timings. But that's not stable when stressing the whole system, so I had to loosen the timings to 7-7-6-20-27-1T.
Edited by BlackOmega - 11/4/09 at 5:39pm
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post #20027 of 28665
Quote:
Originally Posted by thlnk3r View Post
Tator, sorry we're definitely not a match

ESFJ
I'm a tad Jealous, though, I do feel like a Rarity now according to their profile of the ENFP


Quote:
Originally Posted by BlackOmega View Post
I meant RAM dividers. My board only has 3 (not including the auto setting). It really should have more than 3 if it's going to claim that it's a good overclocking board. Hell my 939 DFI's have what like 10? (I'm not positive on that figure I just pulled it out of thin air ) And I don't even have as many MHz to cover with DDR as I do with DDR3.
Again, I think that's an actual chip limitation with the newer IMC's. I could be wrong, But I haven't seen any board that supports more than DDR3 800, DDR3 1066, DDR3 1333, DDR3 1600mhz

I think the Asus M4A79T-Deluxe has an 1800mhz setting...possibly. I could be wrong though.

I haven't had a chance to re-visit most of the boards (A thing I hate about reviewing) as new BIOS come out and really make some boards so much nicer. And could break a stalemate of "which to buy"

Quote:
Originally Posted by txtmstrjoe View Post
Yo guys who have played with Black Editions: Why bother with playing with the RAM and the reference clocks so much if you can just simply lock the RAM speed down at stock (you can probably get performance gains through tightening the timings) and crank up the CPU divider?
Overclock.net The Pursuit of Performance.

That's why!

But in reality, Black Editions have unlocked CPU & CPU-NB (IMC) Multi's, so overclocking those are pretty easy. But on the AM3 platform, you are locked to a guaranteed stable of 1333mhz, so in order to draw the most out of your system, that HT clock is necessary. As it can control the world.
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post #20028 of 28665
Quote:
Originally Posted by Tator Tot View Post
I'm a tad Jealous, though, I do feel like a Rarity now according to their profile of the ENFP
My personality type is pretty rare as well, less than 2% of people are ENTJ's.



Quote:
Originally Posted by Tator Tot View Post
Again, I think that's an actual chip limitation with the newer IMC's. I could be wrong, But I haven't seen any board that supports more than DDR3 800, DDR3 1066, DDR3 1333, DDR3 1600mhz

I think the Asus M4A79T-Deluxe has an 1800mhz setting...possibly. I could be wrong though.

I haven't had a chance to re-visit most of the boards (A thing I hate about reviewing) as new BIOS come out and really make some boards so much nicer. And could break a stalemate of "which to buy"
Supposedly the MSI GD70 supports up to 2133. I have yet to see anything remotely close to that though.
At this point I'm very inclined to say that it is definitely a chip limitation. It's all in finding a good chip that can handle the OC.
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post #20029 of 28665
Quote:
Originally Posted by BlackOmega View Post
My personality type is pretty rare as well, less than 2% of people are ENTJ's.
Oh gawd....Bill Gates...Napoleon...RUN 939'S! Run for your lives! And have Thlnk3r protect us. I'll try to talk him down!



Quote:
Originally Posted by BlackOmega View Post
Supposedly the MSI GD70 supports up to 2133. I have yet to see anything remotely close to that though.
At this point I'm very inclined to say that it is definitely a chip limitation. It's all in finding a good chip that can handle the OC.
I've seen it. Only on 965BE's though. The new C3's can probably hit that high though. They seem much more adept as far as PhII's are concerned.

Most of the time, it takes 1.45v CPU-NB, stock CPU clock, and some really good RAM.

Chew* & Slappa have done it with LN2, Not seen a 24/7 on it though.
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post #20030 of 28665
Wow. I realized how outdated I am, I don't have the 939. Just the 754. Oh well.
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