comment out the line in /etc/fstab like this (AFAIK u can comment things out in fstab...)
Code:
LABEL=/ / ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /proc proc defaults 0 0
none /dev/shm tmpfs defaults 0 0
/dev/hda5 swap swap defaults 0 0
/dev/hdb /mnt/hdb ext3 defaults 1 3
#/dev/cdrom /mnt/cdrom udf,iso9660 noauto,owner,kudzu,ro 0 0
/dev/fd0 /mnt/floppy auto noatime,noauto,owner,kudzu 0 0
none /var/lib/jack/tmp tmpfs defaults 0 0