1 # grouping of optical drives from multiple kernel subsystems
2 BUS=="scsi", KERNEL=="sr[0-9]*", SYMLINK+="cdrom%e"
3 BUS=="ide", KERNEL=="hd[a-z]", SYSFS{removable}=="1", \
4 PROGRAM="/bin/cat /proc/ide/%k/media", RESULT=="cdrom", \
6 BUS=="ide", KERNEL=="pcd[0-9]*", SYSFS{removable}=="1", SYMLINK+="cdrom%e"