AMD just bought a 5850 Twin Frozr II yesterday. The maximum available in CCC / MSIAB only 775 MHz but I wanted more. I saved the original bios with GPU-Z 0.5.3. He opened with RBE 1.2.8. I went to extra -> Increase saturation limit -> Method 1 (hash) -> load. Loaded the signature file reference clocks ASUS 5850 with key and saved the changes showed that the use atiwinflash 2.0.1.14, and finally reboot. And here goes nothing. Only a black screen. Please help me to re-establish the original bios.
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