If you need to determine the manufacturer, type, or model of optical disc drive that is in a CentOS Linux system, you can log into the root account and use the dmesg command and pipe the output into the egrep command looking for key terms, such as "cdrom", "dvd", "cr/rw", or "writer" as shown below:
# dmesg | egrep -i 'cdrom|dvd|cd/rw|writer' [ 1.571327] ata1.00: ATAPI: TSSTcorpCD/DVDW SH-S182M, SB02, max UDMA/33 [ 1.598476] scsi 0:0:0:0: CD-ROM TSSTcorp CD/DVDW SH-S182M SB02 PQ: 0 ANSI: 5 [ 1.635809] sr 0:0:0:0: [sr0] scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray [ 1.635819] cdrom: Uniform CD-ROM driver Revision: 3.20 #
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