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[Official] Asus CrossHair IV Formula/Extreme Club - Page 726

post #7251 of 13131
I am running 2 HD 5870s in crossfire and I cannot get the crossfire setup to run at x16 as it is rated. I have the cards installed in the correct PCIe slots (1 and 3) as per the product manual. I have also tried the closer slots and nothing seems to help. I have been doing some reading and have tried setting the PCIe clock to 101 and that did not work either. Has anyone has this problem? If so what did you do to fix it.

Thanks.

PS. Sorry if this is in the wrong forum I am new here and could not find any info via a search.
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post #7252 of 13131
Quote:
Originally Posted by BIGGRIMTIM;12317355 
I am running 2 HD 5870s in crossfire and I cannot get the crossfire setup to run at x16 as it is rated. I have the cards installed in the correct PCIe slots (1 and 3) as per the product manual. I have also tried the closer slots and nothing seems to help. I have been doing some reading and have tried setting the PCIe clock to 101 and that did not work either. Has anyone has this problem? If so what did you do to fix it.

Thanks.

PS. Sorry if this is in the wrong forum I am new here and could not find any info via a search.

i have 2@5870 in crossfire in my computer in slots #1 and #3 and they run at 16x with out any problems

try checking 16x with cpu-z on the mainboard tab
try it with 1 monitor temp.
how are you verifying 8x or 16x operation ?
what 2 video cards are you using ? mod. no. ?
this thread is a good place to look too
http://www.overclock.net/ati/
Edited by Tweeky - 2/9/11 at 8:49am
    
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post #7253 of 13131
Just out of curisoty, anyone know why I can't past post with 3 GTX470's when IMMOU is enabled in the bios? BTW I just got my third 470, and the hack does allow for 3 way SLI if anyone was curious.
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post #7254 of 13131
okay guys new rig is up and running, and i have to say im a bit put off on the new voltage setting that are in the 1304 bios......i have read the post on what it says about them and still not sure on which ones if any i should mess with besides cpu and nb voltages.....just looking for somewhere around 4.0 on the clock.......right now stressing with prime with 1.36 on cpu and 1.21 on nb with the cpu/nb offset set to manual instead of offset


hmm, okay was not running prime was totally froze up.....now running prime again with cpu/nb set to offset and everything else on auto right now only thing i got changed is fsb set to 250
Edited by vespillo23 - 2/9/11 at 11:37pm
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post #7255 of 13131
Quote:
Originally Posted by wheth4400;12329775 
Just out of curisoty, anyone know why I can't past post with 3 GTX470's when IMMOU is enabled in the bios? BTW I just got my third 470, and the hack does allow for 3 way SLI if anyone was curious.

Definitely sounds like a BIOS glitch, IOMMU is great (basically its hardware memory allocation on the CPU) for 2 or more GPUs. Perhaps email ASUS?

Eclipse, we should add all the current working SLI-Hack cards we know of to the main post.
Quote:
Originally Posted by vespillo23;12330221 
okay guys new rig is up and running, and i have to say im a bit put off on the new voltage setting that are in the 1304 bios......i have read the post on what it says about them and still not sure on which ones if any i should mess with besides cpu and nb voltages.....just looking for somewhere around 4.0 on the clock.......right now stressing with prime with 1.36 on cpu and 1.21 on nb with the cpu/nb offset set to manual instead of offset


hmm, okay was not running prime was totally froze up.....now running prime again with cpu/nb set to offset and everything else on auto right now only thing i got changed is fsb set to 250

Most people are sitting around 1.425v on CPU vcore for 4.0 GHz. Thats using offset (+) and Load Line Calibration to 100% or Full (LLC.) For 3000 NB frequency it took me 1.7v on my memory, and 1.3875v on my NB, again with offset (+) and LLC on full.

Quote:
Originally Posted by BIGGRIMTIM;12317355 
I am running 2 HD 5870s in crossfire and I cannot get the crossfire setup to run at x16 as it is rated. I have the cards installed in the correct PCIe slots (1 and 3) as per the product manual. I have also tried the closer slots and nothing seems to help. I have been doing some reading and have tried setting the PCIe clock to 101 and that did not work either. Has anyone has this problem? If so what did you do to fix it.

Thanks.

PS. Sorry if this is in the wrong forum I am new here and could not find any info via a search.

Try using GPU-z, and running a 3D program. The computer disables the second, third, twenty-fifth card when not in use. Its a power save feature. It also tells you it has no temps or clocks some times as well.
Edited by RagingCain - 2/10/11 at 6:46am
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post #7256 of 13131
Hello! I have just ordered AMD Phenom II X6 1100T and ASUS Crosshair IV Extreme for my first build. I am looking to get some ram and wanted to find something that is known to work. I am curious if the 4GB (2x2GB) Corsair Dominator GT DDR3 2133 is a good start for me... I was wanting 2x4gb but I honestly don't know if its better to go with 4gb or 8gb?

http://www.newegg.com/Product/Product.aspx?Item=N82E16820145316
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post #7257 of 13131
Most people are sitting around 1.425v on CPU vcore for 4.0 GHz. Thats using offset (+) and Load Line Calibration to 100% or Full (LLC.) For 3000 NB frequency it took me 1.7v on my memory, and 1.3875v on my NB, again with offset (+) and LLC on full.



okay thanks raging, but when you say 1.3875vv on NB do ya mean the actually NB voltage or the CPU/NB voltage
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post #7258 of 13131
I sit at 1.35V on vcore for 4.013Ghz. I used the TurboV EVO software from ASUS to achieve this... and LOTS of "20-runs" (about 20-25 mins runs each) on IBT before doing a 12-hour Prime95 and coming up stable. But most people do sit in the low 1.4V's range.


RagingCain:

So you have both, the CPU and the CPU/NB (I believe it's called that) LLC's at 100%?
post #7259 of 13131
got a question for ya formula people. on my formula, my mic will not work. i plug it into the back or the front and it will detect that it is plugged in, but when i try to test it, it does not work at all. Just for grins, i plugged it into my wifes laptop and bam, worked great so im thinking there is a setting somewhere i am missing.
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post #7260 of 13131
Quote:
Originally Posted by Blue Destroyer;12334011 
got a question for ya formula people. on my formula, my mic will not work. i plug it into the back or the front and it will detect that it is plugged in, but when i try to test it, it does not work at all. Just for grins, i plugged it into my wifes laptop and bam, worked great so im thinking there is a setting somewhere i am missing.

Assuming you are speaking of the front MIC jack (not from the sound card itself if installed) and you are using the on-board audio, check to make sure that the mobo connector and/or the jack connectors are not loose. Mobo connector is easy to test (bottom-left most connector on the mobo). The jack connector may require you to gain access by disassembling the front panel though. Just plug your mic in, speak while wiggling the connector around. If this does not solve the problem, you "may" have a bad connector or a bad "front panel" board.

Also, on page 2-34 of the mobo manual, it has whatever setting you can make. It's a BIOS setting.

If you use a USB headset, does the MIC portion work?
Edited by Kahbrohn - 2/10/11 at 8:37am
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