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[Official] Asus CrossHair IV Formula/Extreme Club - Page 1169

post #11681 of 13131
With memory, AMD is known to need more than rated (stock) voltage as this rating is for Intel which uses lower voltage. Normally .05 to .1v will do the trick for stock settings. If your Ram is OC'd, well... that's where you test lol. My ECOs are rated at 1.35v stock. To stabilize them at 3.2GHz took 1.40v. With current 4222MHz OC they run at 1.68v while tightened and OC'd.

The more through put you create by OCing CPU and NB Freq you'll allow more work from Dram and IMC as the flood doors open up, thus causing the need for more voltage to handle the load.

I'd definitely raise that Dram Voltage and start with at least 1.55v. LinX (25-50 runs) and SuperPi (on 32M) will test OC'd Ram as a preliminary for Prime95.
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post #11682 of 13131
Quote:
Originally Posted by The Sandman View Post

Just noticed this, It might also be due to the 3200MHz NB Freq. Could try dropping it back to 3000MHz and test till stabilized, than re-try the 3200MHz.

I seem to remember that the formula is 1/2 the rated DRAM frequency x 3. In his case it's 1600/2 x 3 = 2400. The HT link would be slightly less @ 2200, or @2400 if that's stable, but never higher.
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post #11683 of 13131
Ok so I have my Temps under control, 19c idle and so far after 3 hours of prime95 34c load. And this is at 3.5ghz OC.
Think I could try to push closer to 4.0??
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post #11684 of 13131
Quote:
Originally Posted by SpaceCowboy View Post

I seem to remember that the formula is 1/2 the rated DRAM frequency x 3. In his case it's 1600/2 x 3 = 2400. The HT link would be slightly less @ 2200, or @2400 if that's stable, but never higher.

HT should be left at stock, the higher it goes the less performance it gives.
NB isnt only benefficial for the DRAM, its benefficial for GPU usage along other things, thats why I pushed it.
post #11685 of 13131
Quote:
Originally Posted by Mistral View Post

I think you'll find it's ver. 2002 it added support for the X4 980.

Should I stick to the bios version 0502 or can I upgrade to 2002 version? What should I do? Has anyone tried this version recently on a CHIVE?
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post #11686 of 13131
Quote:
Originally Posted by The Sandman View Post

With memory, AMD is known to need more than rated (stock) voltage as this rating is for Intel which uses lower voltage. Normally .05 to .1v will do the trick for stock settings. If your Ram is OC'd, well... that's where you test lol. My ECOs are rated at 1.35v stock. To stabilize them at 3.2GHz took 1.40v. With current 4222MHz OC they run at 1.68v while tightened and OC'd.
The more through put you create by OCing CPU and NB Freq you'll allow more work from Dram and IMC as the flood doors open up, thus causing the need for more voltage to handle the load.
I'd definitely raise that Dram Voltage and start with at least 1.55v. LinX (25-50 runs) and SuperPi (on 32M) will test OC'd Ram as a preliminary for Prime95.

this is a update to my new sli machine with a sabertooth in it and as of last sat it allso has a FX-8150 in it the sabertooth is a aweet motherboard but as of yet i cant get anywhere near as high of a clock as i easly do on my CHV quadfired machine but i am still playing with it so i will keep updating on my progress
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post #11687 of 13131
Quote:
Originally Posted by SpaceCowboy View Post

Yes, it's possible, but with issues. The red slots are the proper slots to run 2 sticks. I run 2x4GB @ 7-8-7-24-1t in the reds. I have another set of the identical sticks & thought 16GB @ 7-8-7-24-1t would be outstanding, so I filled all 4 slots. Wasn't happening. It wouldn't work @ 2t either. What I had to do was loosen the timings to 9-10-9-9-2t or 10-x-x-x-2t & I wasn't happy with that, so I went back to my original timings in the red slots & put the other 2 sticks in another system that had slower RAM. Oh, another thing is that even with the slow timings I seem to remember it not hitting the rated 1600 either when it was in all 4 slots.

Sorry for not mentioning this earlier, the MOBO is the Crosshair IV Formula.
And the Corsair XM3 PC3-10666 1333MHz are this ones: click here to see on amazon

This memories are already running at 9-9-9-24 if Im not wrong, so how much slower they would have to go so I have the 16GB recognized? and is it worth it? if from CL9 I pass to slower timings?

Thanks again for all your help!
post #11688 of 13131
got my new power line ran to my room yesterday now i am running the full 1600 watt,s on my psu since i have a singel dedicated 20 amp circuit just for this one computer and im telling you one thing a good surge protector for that 20 amp circuit cost me more than i really wanted to pay but for what i have invested in this machine i would have been crazy not to have bought it
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post #11689 of 13131
Quote:
Originally Posted by Zenthor View Post

Sorry for not mentioning this earlier, the MOBO is the Crosshair IV Formula.
And the Corsair XM3 PC3-10666 1333MHz are this ones: click here to see on amazon
This memories are already running at 9-9-9-24 if Im not wrong, so how much slower they would have to go so I have the 16GB recognized? and is it worth it? if from CL9 I pass to slower timings?
Thanks again for all your help!

There's no way to tell until you go into the BIOS & start experimenting. Loosen the first 3 timings by 3 positions & the 4th should equal adding up the first 3. Make sure you are at 2t. Up the voltage to the RAM. If that works, try upping timings by 1 position, etc. until it fails. You may have to up the RAM voltage again. It's going to take experimentation. When you are finished, you'll have to decide if it's worth it to you. It would be a good idea to make sure you clone your HD so that if the OS crashes during boot, it doesn't hurt your HD data. I learned that the hard way many years ago when the OS was damaged, wouldn't boot, & wouldn't repair with the DVD.
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post #11690 of 13131
I have tried two different Sempron 140's and they won't even get to the BIOS. Any ideas? The BIOS is the latest one before the BD BIOS.
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