change directory to i386 on your dvd 3- type cd /usr/standalone/i386

4 - type "dd if=./guid/boot1h of=/dev/rdiskXsY bs=512 count=1 (X is the disk number and Y is the partition number on which you installed Leo)
5 - type "dd if=./guid/boot0 of=/dev/diskX bs=400 count=1
6 - type "./startupfiletool -v /dev/diskXsY ./boot_v8"