i just figured out how to get disc channel loading on 4.2u.
if you use all the regionfree patches in start patch for 4.2u and the make games load using ios249 with the region free wii games hack in preloader 0.30(might work in 0.29 to) then use ios 249 to load the system menu they will load.
this doesn't seem to work with just the preloader cheats i get the an error has occourd for everything but GC games but with the only hack from preloader being the region free wii games one they work fine.
if you use all the regionfree patches in start patch for 4.2u and the make games load using ios249 with the region free wii games hack in preloader 0.30(might work in 0.29 to) then use ios 249 to load the system menu they will load.
this doesn't seem to work with just the preloader cheats i get the an error has occourd for everything but GC games but with the only hack from preloader being the region free wii games one they work fine.