first make sure uve got kernel support for using a CDRW.
D/L cdrecord, then issue the command
"cdrecord -scanbus" and itll show u what it thinks of what uve got. If nuttin shows up u gotta recompile ure kernel.
Have kernel source, then read www.linuxdoc.org/HOWTO/Kernel-HOWTO.html on how to build ure kernel. Basically u need to add generic SCSI support and SCSI emulation support, read more in and www.linuxdoc.org/HOWTO/CD-Writing-HOWTO.html.