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Overclock.net - Overclocking.net > Intel > Intel Motherboards | |
Intel Overclocking Redefined - Interesting P965 / 975X Secrets
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01-04-07
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#31 (permalink) | ||||||||||||||
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Wealthy off Welfare
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Wondered why 460FSB was only a 3 seconds faster than 400FSB, but 380FSB was 5 seconds slower than 400.
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01-04-07
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#32 (permalink) | ||||||||||||
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4.4GHz
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It starts to make those "mid-400 FSB prime-stable" boards look less attractive. It's either ~500 or nothing.
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01-04-07
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#33 (permalink) | |||||||||||||||
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Networking Nut
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Quote:
200FSB 266FSB 333FSB 400FSB 466FSB 533FSB 600FSB That's as far as we need, I think.  The straps occur every 66FSB, or every 266MHz of Intel's quad-pumped FSB. Basically, push as close to one of these numbers as possible without going over, or jump to the next strap. Then adjust your FSB with Clockgen for screenies/benchies/SuperPi.
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01-04-07
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#34 (permalink) | |||||||||||||
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Custom User Title
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I hope you also realize what this means for overclocking. ASUS, Gigabyte, DFI, or any other motherboard company can just put you on the 2400Mhz strap. The northbridge latencies will be extremely high and thus you will have great overclocking. The reviews will look great... But the performance won't be.
This is very important when considering a new motherboard. Tony is pushing for BIOS Engineers to give the end user control over the strap limit and many other tweaks for the north bridge. Who knows how close we are to seeing that ability. It is clearly important for people to know that a higher overclock does not result in better performance.
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01-05-07
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#35 (permalink) | |||||||||||
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Overclocker
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Oooo thx man. Thats a really good explanation. Is it true though that the DFI RD600 has a strapless NB?
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01-05-07
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#36 (permalink) | |||||||||||
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Audiophile
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I actually did some memory bandwith tests and SuperPI Mod tests from 395 to 465FSB in 5FSB increments this afternoon.
Super PI seems to be pretty linear, though I'm only eye-balling it and haven't graphed it. As for memory bandwith, there are some really strange ones: 395 --> 6502MB/s 400 --> 6619MB/s 405 --> 6644MB/s 410 --> 6646MB/s 415 --> 6836MB/s big jump 420 --> 6806MB/s ***? 425 --> 6993MB/s 430 --> 6961MB/s ***? 435 --> 7210MB/s big jump 440 --> 7257MB/s 445 --> 7236MB/s ***? 450 --> 7383MB/s 455 --> 7486MB/s 460 --> 7541MB/s 465 --> 7629MB/s 470 --> Doesn't boot to windows... I did the tests with SiSoft Sandra, 4-4-4-12 on the G.Skill Ram, always 1:1. I might graph the SuperPiMod times, but it seems pretty linear (1M). Bios is F6 (Gigabyte's Latest) The ***? numbers proove that from a memory bandwith standpoint, you can actually LOOSE speed. There weren't any instances of SuperPi being slower with additional FSB though.
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Last edited by Jimmy2Shoe : 01-05-07 at 04:12 PM. |
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01-05-07
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#37 (permalink) | |||||||||||||
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Freeze It
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hey jimmy if you want try that but use one lower multi on your cpu, its pretty interesting
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01-05-07
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#38 (permalink) | ||||||||||||
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Audiophile
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Quote:
In any case, it took me nearly 1h30min to do that, I don't really feel like it again.... pauldovi is trying it out with his new board I think sometime soon.
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01-05-07
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#39 (permalink) | |||||||||||||
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Freeze It
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ahh thats cool, i would but my mobo doesnt support multi changes
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01-06-07
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#40 (permalink) | |||||||||||||
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Custom User Title
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I just got back from my trip to South Florida. The new board is here. I will be installing it tonight or tomorrow, and I will do a bunch of tests!
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Intel Overclocking Guide * Need A New Password? * Dual Core Folding Guide * Intel Memory Guide * Use Vista's UAC * Don't Post News From Fudzilla!
"Rightful liberty is unobstructed action according to our will within limits drawn around us by the equal rights of others." - Thomas Jefferson "If everyone is thinking alike, then somebody isn't thinking." - General George Patton "Make everything as simple as possible, but not simpler" -Albert Einstein
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LinkBack to this Thread: http://www.overclock.net/intel-motherboards/145468-intel-overclocking-redefined-interesting-p965-975x.html
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| AnandTech - Q6600 G0 OC | This thread | Refback | 08-19-07 06:45 PM | |
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