I managed to push that ASRock X58 Extreme board to new heights:)
225MHz BCLK was kind of piece of cake, just with original cooling and no mods. Bios is v1.40.
http://mato78.com/images/stories/art...SR_X58_emo.jpg
http://mato78.com/images/stories/art...eme/225MHz.jpg
And now I`m battling to make 230MHz BCLK stable.
This really is unbelievable mobo in itīs price class.
Finnish review at http://mato78.com google translator may come in handy.