Markus Illenseer wrote:
> 
> > NetBSD 1.3.1
> > Cybscsi V8.6
> > CD writer : Ricoh RO-1420C
> 
>  Does "dmesg" show any hint of the CD-ROM?

I guess the only hint is the following:

 [...]
 scsibus1 at cbsc0: 8 targets
 probe(cbsc0:1:0): max sync rate 10.00Mb/s
 sd2 at scsibus1 targ 1 lun 0: <QUANTUM, FIREBALL1080S, 1Q09> SCSI2
0/dir
 ect fixed
 sd2: 1042MB, 3835 cyl, 4 head, 139 sec, 512 bytes/sect x 2134305
sectors
 cbsc0: !MSGOUT
 cbsc0: SCSI bus reset
 cbsc0: !MSGOUT
 cbsc0: !MSGOUT
 cbsc0: SCSI bus reset
 cbsc0: !MSGOUT
 probe(cbsc0:5:0): max sync rate 4.03Mb/s
 sd3 at scsibus1 targ 5 lun 0: <SyQuest, SQ3105S, 2_04> SCSI2 0/direct
re
 movable
 sd3: drive offline
 [...]

>  How do you try to mount the CD-ROM?

 mount -o ro -t cd9660 /dev/cd0a /mnt/test
and also
 /dev/cd[02][ac]

>  What error message do you get when mounting?

 mount_cd9660: : Device not configured

Seems that this CD-writer does not answer.

Torsten