Download the latest FW and M3 manager
http://www.linfoxdomain.com/nintendo/ds/
M3 Perfect v36
update for SD: updagcsd.e35.rar
Latest M3 Manager GM_v36a.zip
Use DMAx4 as settings and force/RW
Those Works perfekt on my M3 lite. Can even play the kingdom hearts game and pokemon soul silver