cat /proc/sys/dev/cdrom/info
CD-ROM information, Id: cdrom.c 3.20 2003/12/17

drive name:		sr1	sr0
drive speed:		9	40
drive # of slots:	1	1
Can close tray:		1	1
Can open tray:		1	1
Can lock tray:		1	1
Can change speed:	1	1
Can select disk:	0	0
Can read multisession:	1	1
Can read MCN:		1	1
Reports media changed:	1	1
Can play audio:		1	1
Can write CD-R:		1	1
Can write CD-RW:	1	1
Can read DVD:		1	1
Can write DVD-R:	1	1
Can write DVD-RAM:	0	1
Can read MRW:		1	1
Can write MRW:		1	1
Can write RAM:		1	1