as far as i know, with Akaio 1.5.1 you must use the new loader from 01/01/10.
And AK2/AK2i loader is the right.
you must place it in _aio/loader
The tree of your TF should look like:
/_aio
/Games
akmenu4.nds
And AK2/AK2i loader is the right.
you must place it in _aio/loader
The tree of your TF should look like:
/_aio
/Games
akmenu4.nds








