@amiga92570
Kickstart 3.0 or 3.1 ROM chips installed?
If yes, please boot OS3.9, open a shell, insert the
CD and type something like
CD CD0:System ; Or CD1: or however the CDROM drive is named
Assign SYS: ""
C/BootLoader FILENAME Kickstart/KickLayout-A3000 VERBOSE
Which error message is shown exactly?