Thanks a C$m, Stephen. Here is the output of three shell commands. The drive is there OK. Regretably, I neither understand the implications nor how to procede, but I'm trying. Some of my friends agree - I'm trying!

Cdrecord 2.01a07 (i686-pc-linux-gnu) Copyright (C) 1995-2003 Jörg Schilling
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.7'
scsibus0:
0,0,0 0) 'MITBISHI' 'LS-120 COSM 05' '0510' Removable Disk
0,1,0 1) 'MITSUMI ' 'CD-ROM FX4824T!B' 'Q01E' Removable CD-ROM
0,2,0 2) 'TDK ' 'CDRW121032A ' '1.00' Removable CD-ROM
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *
scsibus1:
1,0,0 100) 'IC ' 'USB Storage-CFC ' '301b' Removable Disk
1,1,0 101) *
1,2,0 102) *
1,3,0 103) *
1,4,0 104) *
1,5,0 105) *
1,6,0 106) *
1,7,0 107) *

dmesg|grep LS-120
hdd: LS-120 SLIM 05 UHD Floppy, ATAPI FLOPPY drive
Vendor: MITBISHI Model: LS-120 COSM 05 Rev: 0510

dmesg|grep scsi
Kernel command line: auto BOOT_IMAGE=Linux ro root=301 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 hdb to ide-scsi emulation.
ide-cd: passing drive hdc to ide-scsi emulation.
hdd:<3>ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
ide-scsi: hdd: unsupported command in request queue (0)
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 1, lun 0
Attached scsi CD-ROM sr1 at scsi0, channel 0, id 2, lun 0
sr0: scsi3-mmc drive: 48x/48x cd/rw xa/form2 cdda tray
sr1: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray
scsi1 : SCSI emulation for USB Mass Storage devices
Attached scsi removable disk sdb at scsi1, channel 0, id 0, lun 0
Thanks, again.
OG