Topic Title: crossfire crashes please please help --SOLVED--
Topic Summary: crossfire is not stable
Created On: 10/15/2013 10:57 AM
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 10/15/2013 10:57 AM
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deathcrush87
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hi everyone;

i posted a topic a few weeks ago about games crash with directx error.

i read a lot of threads, in this forum and others and did all the things i could find. even contacted the gigabyte website and installed the drivers recommended on their website to no avail.

recently when crashes occure there is a black screen with green vertical lines and the system is not responding anymore. although not always.

the problem only happens when im gaming and the crossfire is on.

i think i have found the problem, but 1st im not sure if it is the problem and second i dont know how to fix it.

the problem is that when my pc crashes, the northbridge heatsink which is attached to AMD 990fxa gets really really hot.

i dont know what to do.. please help...

system spec: 

AMD FX8350 @stock clock with stock cooling fan

GIGABYTE 990fxa-ud3 rev 3.0 mobo

2xGIGABYTE HD 7870 OC version @stock 1100 mhz 

corsair vengeance CL9 ddr3 @stock 1600 mhz

Microsoft Windows 7 64 bit home edition

AMD Catalyst 13.8 with 8.98 drivers

AMD Overdrive uninstalled or disabled

 



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//



Edited: 10/16/2013 at 08:27 PM by deathcrush87
 10/15/2013 03:36 PM
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black_zion
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It is possible the NB heatsink is not making proper contact, ASUS had that issue a while back. But it could also be a lack of power issue.

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 10/15/2013 04:18 PM
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deathcrush87
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thanx Black-zion for the reply,

 

i dont know if there is a problem with power, could i accidentally changed an option in the bios setup or windows registry etc.?

 



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

 10/15/2013 04:39 PM
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George@AMD
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What is the make and model of your power supply?

Vertical lines are usually a good indicator of a faulty video card or poor power in the system. Try each video card separately to see if it would cause this same issue. If it only happens with both cards in the system and cross fire x enabled then it looks like it may be an issue with your power supply.

I would also get your motherboard checked out if the north bridge is over heading.



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 10/15/2013 04:54 PM
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deathcrush87
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hi George,

thanx for the reply.

i have a corsair cx750 watt.

yes both cards work fine when the crossfire is off, i can play for hours without any problems.

when the crossfire is on, doesnt matter what game im playing the crashes happen, sometimes after 30 minutes, sometimes after 3 hours and sometimes after 2 seconds.

mostly, what happens is that the game freezes and there is a bubble at the right corner of the screen saying: "display driver AMD driver stopped responding and was successfully recovered."

sometimes i get the black screen with vertical green lines.

i tried the tdrDelay option in the registry and it doesnt work. maybe it only increases the black screen with green line happening.

everytime after the crashes though, i found out that the north bridge sink is so heated that if i keep touching it for a few seconds i may burn myself.

today i installed a fan on the heatsink, abd am going to try see if the pc still crashes.

i will update you asap.



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

 10/15/2013 05:12 PM
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deathcrush87
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nope it still crashes...



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

 10/15/2013 05:14 PM
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stumped
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  • 500W (or greater) power supply with one 75W 6-pin PCI Express power connector recommended7
    • 600W power supply (or greater) with four 75W 6-pin PCI Express power connectors recommended for AMD CrossFire™ technology.
    • NOTE: Minimum recommended system power supply wattage is based on the specific graphics card and the typical power requirements of other system components. Your system may require more or less power. OEM and other pre-assembled PCs may have different power requirements. 
  • Certified power supplies are recommended.  Refer to http://ati.amd.com/certifiedPSU for a list of Certified products  
  • Minimum 4GB of system memory
    • 8GB (or more) of system memory recommended for AMD CrossFire™ technology


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     10/15/2013 05:16 PM
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    deathcrush87
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    one more thing is that the powersupply itself feels quite warm after each crash..



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    AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

     10/15/2013 05:24 PM
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    deathcrush87
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    Hi stumped,

     

    thanx for the reply.

    as of http://support.amd.com/en-us/recommended/power-supplies/detail?item=CX750%20(CP-9020015-NA) it seems that my power supply is a recommended one.

    and i forgot to mention that i have 8 gb ddr3 ram.

     



    -------------------------

    AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

     10/16/2013 08:26 PM
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    deathcrush87
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    i solved it by setting the maximum frequency of my cards to 1000 mhz instead of stock 1100 mhz (kinda capped it) in catalyst gpu over drive section.

    i dont know why, but the crashes seem to lessened since doing so.

    any reason why?

     

    many many thanx everyone!



    -------------------------

    AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

     10/17/2013 03:56 AM
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    Thanny
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    It would seem the card vendor did not properly bin the GPU's, so they don't run at the factory overclock properly.

    You're within your rights to have them replaced, though you'll have to figure out which one, first.  Try reducing the clock on just one at a time.

     

     10/17/2013 05:09 AM
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    deathcrush87
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    thank you Thanny for the reply,

     

    one thing is when i open gpu-z and look at the default clock value on both cards, the "1100 mhz" flickers though other values are stable.

    what does it mean?

     



    -------------------------

    AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

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