hi
i had PC MotherBoard: GA-X79-UD5 GraphicsCard: GV-R797OC-3GD Radeon HD 7970
i have changed GC to GV-N970G1 GAMING-4GD
after powering up i can hear 4 beep (-...) that means GC problem, all is connected properly
any clue? how to check compatibility MB+GC?