root@xubuntu:/home/xubuntu# cdrecord -scanbus
scsibus0:
	0,0,0	  0) 'ATA     ' 'KINGSTON SV300S3' '603A' Disk
	0,1,0	  1) *
	0,2,0	  2) *
	0,3,0	  3) *
	0,4,0	  4) *
	0,5,0	  5) *
	0,6,0	  6) *
	0,7,0	  7) *
scsibus4:
	4,0,0	400) 'SanDisk ' 'Cruzer          ' '7.01' Removable Disk
	4,1,0	401) *
	4,2,0	402) *
	4,3,0	403) *
	4,4,0	404) *
	4,5,0	405) *
	4,6,0	406) *
	4,7,0	407) *
root@xubuntu:/home/xubuntu# dmesg |grep CD
[    4.590106] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPCB.ECDV._Q66] (Node ffff880212059be0), AE_NOT_FOUND (20110623/psparse-536)
[    7.520041] scsi 4:0:0:1: CD-ROM            SanDisk  Cruzer           7.01 PQ: 0 ANSI: 0
[    7.523627] cdrom: Uniform CD-ROM driver Revision: 3.20
[    7.523828] sr 4:0:0:1: Attached scsi CD-ROM sr0