Crediar has managed to hack the Nintendo Wii's System Menu in various ways to allow some cool stuff to be done including:
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* No healthwarning (the blackscreen is the time it needs to load the channels) * region free Wii games * region free GC games * region free channels * start the build-in rescue menu when Y is pressed on the first GC controller * rescue menu patch to boot everything not just diag-discs * No mainmenu BGM