After hdinstall my floppy and dvd and cdburner devices no longer work. I am going to post some info here. I will also try to find my own solution using http://www.knoppix.net/forum/viewtopic.php?t=6945

root@reno:/# dmesg | grep scsi
Kernel command line: auto BOOT_IMAGE=Linux ro root=305 hda=scsi hdb=scsi hdc=scsi hdd=scsi hde=scsi hdf=scsi hdg=scsi hdh=scsi apm=power-off nomce
ide_setup: hda=scsi
ide_setup: hdb=scsi
ide_setup: hdc=scsi
ide_setup: hdd=scsi
ide_setup: hde=scsi
ide_setup: hdf=scsi
ide_setup: hdg=scsi
ide_setup: hdh=scsi
ide-cd: passing drive hdc to ide-scsi emulation.
ide-cd: passing drive hdd to ide-scsi emulation.
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
Attached scsi CD-ROM sr1 at scsi0, channel 0, id 1, lun 0
sr0: scsi3-mmc drive: 14x/40x cd/rw xa/form2 cdda tray
sr1: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray


root@reno:/# dmesg | grep ls-l /dev/cdrom
grep: /dev/cdrom: No medium found

root@reno:/# dmesg | grep fdisk -l
root@reno:/#

# /etc/fstab: filesystem table.
#
# filesystem mountpoint type options dump pass
/dev/hda5 / ext3 defaults,errors=remount-ro 0 1
/dev/hda6 none swap sw 0 0
proc /proc proc defaults 0 0
/dev/fd0 /floppy vfat defaults,user,noauto,showexec,umask=022 0 0
/dev/cdrom /cdrom iso9660 defaults,ro,user,noexec,noauto 0 0
# partitions found by Knoppix
#/dev/hda1 /mnt/hda1 vfat noauto,users,exec,umask=000,uid=knoppix,gid=knoppi x 0 0
#/dev/hda5 /mnt/hda5 ext3 noauto,users,exec 0 0
# Added by KNOPPIX
/dev/hda1 /mnt/hda1 vfat noauto,users,exec,umask=000,uid=knoppix,gid=knoppi x 0 0


This is all greek to me!