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P67 Pro3 - Reboot on Darwin?

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So I'm getting this:



after following this guide. So obviously Chamelon is working, the USB is booting properly, but something is off seeing as how right after all the kexts fly by it instantly reboots, no error (this is actually a frame from a video, otherwise I couldn't even see the last line!).


I've tried: -x, -v, -f, GraphicsEnabler=yes & no, cpus=1 (and 4) and there are no differences.


I have a Asrock P67 Pro3, with an i5 2500K and a Radeon 6950. I know I've been able to boot Lion install disks before, and find it odd that ML would fail at such an early stage here. Any ideas?

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