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Overclocking in crossfire not working

Joined
Sep 10, 2008
Messages
532 (0.09/day)
Location
VA/PA
System Name Freyja
Processor Core i7 3770K
Motherboard AsRock Z77 Extreme4
Cooling Cooler Master Hyper 212 EVO
Memory 16 GB GSkill Sniper
Video Card(s) Diamond Radeon HD 7970
Storage Kingston HyperX 240 GB SSD + Seagate 2 TB HD
Display(s) Dell U2410
Case NZXT Tempest 210
Audio Device(s) Asus Xonar Essence STX
Power Supply Seasonic X-Series 750W
Software Ubuntu 13.04 64 bit
I've been having some trouble overclocking my two 4850 toxics. By themselves they overclock great, but when ever i crossfire 'em, i cant overclock at all:cry:. Im assuming this is my psu, but its 1000 watts. I just wanna ask you guys before i go and get a new psu, assuming thats the problem.

PSU is an Antec quattro 1000w btw.
 
Joined
Sep 10, 2008
Messages
532 (0.09/day)
Location
VA/PA
System Name Freyja
Processor Core i7 3770K
Motherboard AsRock Z77 Extreme4
Cooling Cooler Master Hyper 212 EVO
Memory 16 GB GSkill Sniper
Video Card(s) Diamond Radeon HD 7970
Storage Kingston HyperX 240 GB SSD + Seagate 2 TB HD
Display(s) Dell U2410
Case NZXT Tempest 210
Audio Device(s) Asus Xonar Essence STX
Power Supply Seasonic X-Series 750W
Software Ubuntu 13.04 64 bit
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