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AMD Motherboards & CPUs Questions or comments on AMD products?


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  #1 (permalink)  
Old 11th April, 2003, 11:41 AM
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Overclocking Help

I have been overclocking for the past week and i got 215 x 13, the only thing that i am changing is the following cpu multiplier, gsb, v dimm, v core, agp frequency. the problem is that there are so many other things in the bios that i don't understand, i am trying to get 2.8, is there any thing eles that i could change that will help me get 2.8, my specs are below
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Old 11th April, 2003, 11:49 AM
ral ral is offline
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I am no expert but = 2795MHz.. thats an amzing overclock by any standards after all the fastest T-Bred's you can buy are 2250MHz... XP2800, and even these are like Unicorn's... their exitence was announced, they performance was publicized, they don;t seem to be avialable anywhere.

If you have reached your top limit... I would not be surprised. Maybe what you could try is lower your FSB to 200MHz and up your mulitplier to 14x.
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Old 11th April, 2003, 12:06 PM
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i have tried that and it crashes half way though 3d mark 2001se, i need to know what is cpu throttling, what should i set it at when running fsb above 200mhz
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PROMETEIA Micro Freezer Cooling Unit - Black (AMD CPU)
512Mb DDR RAM PC3700 184 pins - OCZ
GF3 Custom Picked
Sunbeam Rheostat (Black) - 5.25" Kit2
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Three 120mm Y.S.Tech fans
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Old 11th April, 2003, 02:54 PM
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As far as know CPU Throttling is "reducing the duty cyle of the CPU when it runs too hot." With a Prometeia I believe all CPU Throttling will do is limit your performance although it may not activate as the Promerteia keeps the CPU so cool. Thing is, I'm not sure of the exact criteria required to activate Throttling. In other words if activated on the 8RDA, does it throttle down the CPU based upon simple percentage (i.e. at 100% throttling occurs) or does it activate based upon temperature (i.e. if the CPU reaches 65C). Perhaps a combination of the two.

However this brings up a good point as Barton's are rumored to have internal throttling as Intel's do. Therefore if certain mobo's grant the user the ability to disable throttling (as the 8RDA does) then those boards would be the preferred overclocker's platform. By the way, I'd suggest, disabling CPU Throttling in your case. And if you want to read a little more about throttling and the Barton, here's link (in this review it seems to indicate throttling is activated by temperature alone):  http://www.thetechboard.com/reviews/barton.php
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Last edited by Liquid3D; 11th April, 2003 at 03:14 PM.
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Old 11th April, 2003, 05:44 PM
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The best guide to the mysteries of BIOS settings I know of is found at www.rojakpot.com .
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Old 11th April, 2003, 10:04 PM
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Ditto 
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(2.) JIUHB1700, Prometeia, Soltek 75FRN2-L, 1GB OCZ EL-PC3700, Leadtek Winfast A250, ANTEC 480W

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Old 11th April, 2003, 10:17 PM
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  By the by, for pure internal clock speed alone I believe it's better to lower the FSB to 133MHz (266MHz DDR) and continue raising the multipler.
I haven't yet read-up on this, but perhaps lowering the FSB even further (say 100MHz FSB) and raising the multiplier would be the most effective method to benefit the overclock even further.

I've always been led to believe that using the combination approach (rasing multi and FSB) was the best method for overclocking, however; I'm wondering if my theory above may in fact be more effective? Any feedback would be appreciated.
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(2.) JIUHB1700, Prometeia, Soltek 75FRN2-L, 1GB OCZ EL-PC3700, Leadtek Winfast A250, ANTEC 480W


Last edited by Liquid3D; 12th April, 2003 at 07:31 AM.
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