Whats wrong???

Bootcd don´t run.....
PS2 start and jump to Titelscreen,modded with messiah chip.
I burn with Nero (No multi,mode1,iso9660,isolevel1)first with joilet and finalized the next without joilet and non finalized.
The Tree is
A neocd-folder, in this folder is:
neocd.bin
neocd.elf
neocdps2.txt
system.cnf
and the root is empty.
I tested all files in the Root without folder,don´t run too.
Whats wrong?????? please help....

Corelli

Try burning the files to your computer as an image first and then burn it as you normally do.
Make sure that the bin file neocd is 512kb