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R9-280x Crossfire Nightmare. Please help

post #1 of 3
Thread Starter 
So, where do I begin with these cards.... Firstly, when I run each card individually, they OC like champs. As single cards, I can clock them 1200/1710, run Unigine Heaven, 3DMark Firestrike, BF3, FarCry 3 and have no issues.

The trouble started when I finally got my crossfire bridge...

Firstly, I can't OC the cards AT ALL in crossfire. Nor can I run the cards at their factory voltage of 1.075. I have to up the voltage to 1.3v just for the cards to load a game or benchmark without crashing.

When I do run BF4, if I turn up image scaling past 100%, I get 3-5 min of gameplay before I get stuttering, freezing, reboot or game crash.

If I run Unigine heaven sometimes it'll run all the way through but when I go to exit the program it will freeze, stutter sound, reboot. Sometimes it will do that while running Unigine.

My CPU temps never go above 60c in any GPU benchmark or game. My GPU temps never go above 75c in any game or GPU benchmark. I even brought down my CPU OC to 4.4ghz @ 1.21v and ram to default XMP profile.

I don't know what else to do. I figure it might be driver issues, but I really don't know anymore. I'm thinking if come next Friday, i'm still having the same issues, I will just return them to newegg.


Any ideas guys. Sorry for the super long post.
Miami Heat
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Miami Heat
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post #2 of 3
Use the default PCI-E PSU power cables and check, could be a bad sleeved cable delivering unclean power....
TheSadFlute
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DyingHeart
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TheSadFlute
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DyingHeart
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by eXXon View Post

Use the default PCI-E PSU power cables and check, could be a bad sleeved cable delivering unclean power....

I actually just bought the Corsair White Sleeved Cable Kit for my AX1200i so the cables I am using now are completely brand new. Someone mentioned to plug one card into the top plugs of my PSU and the other one into the bottom plugs. I don't think that would make a difference because the AX1200i is just a single 1200w psu, not 2 in one?
Miami Heat
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Hard DriveOptical DriveCoolingOS
[Kingston] 2x V+ SNVP325 128GB Raid 0 NONE! xD [Corsair] H100 Push/Pull 4x TT Blue-Eye 94 CFM ... Windows 7 Ultimate 64 Bit 
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[LG] 47"47LG90 120hz 1080p [Corsair] K60 [Corsair] HX1000 [Cooler Master] HAF 932 Black w/ 12 Fans 
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Miami Heat
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CPUMotherboardGraphicsRAM
[Intel] i5-2500k @ 4.7ghz 24/7 5.2ghz MAX stable [Asus] P8P67-EVO [XFX] 6970 x 2 CrossfireX [G. Skill] Ripjaws X 4GB C7 Kingston HyperX Cooler 
Hard DriveOptical DriveCoolingOS
[Kingston] 2x V+ SNVP325 128GB Raid 0 NONE! xD [Corsair] H100 Push/Pull 4x TT Blue-Eye 94 CFM ... Windows 7 Ultimate 64 Bit 
MonitorKeyboardPowerCase
[LG] 47"47LG90 120hz 1080p [Corsair] K60 [Corsair] HX1000 [Cooler Master] HAF 932 Black w/ 12 Fans 
MouseMouse PadAudioOther
[Logitech] G9X [Razer] Vespula [Creative] Titanium Fatal1ty -> [Denon] AVR-488... Beats By Dre Beats PRO powered by Denon AVR 488 
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