DIOS MIOS is kinda cranky about what hard drives it works with, you might want to try another drive before just giving up on HDD loading.
Devolution seems to be much less picky about drives, but unless you have original GC discs to validate with, won't do you much good.
Devolution seems to be much less picky about drives, but unless you have original GC discs to validate with, won't do you much good.