i've just bought this MOBO and get some problems.
I'm using flashed HD6950@HD6970, which was runing perfectly under my two old MOBOs - old LG775 one and MSI Z68 G45-D. But when I got the Z77 Extreme6 (bios rev. 1.60) problems occured.
I've recognized these states:
First state - signal cable in HD6950/70, bios is not posting (or the video output is not going), dr. debug is not posting and OS (Win7) won't boot
Second state - signal cable in HD6950/70, bios is not posting, dr debug is posting B4, D6 or A2 - no real boot to OS
Third state - signal cable in MOBO - iGPU, dr debug - A2, sometimes i get to the bios or OS is booted (and then it's not possible to turn off the PC - it keeps restarting)
I would be thankful for any suggestions.
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