For a test, i splited the m1 (512kb) into 4 parts of 128kb...and i use the first part in Mame...and the sounds of kof2k3 work perfectly as same the m1 (512kb)... So, joining p1(4mb) and p2(4mb) for a file with 8mb...we can run the kof2k3 into the place of rotdn...