SUBSYSTEM=="block", KERNEL=="fd[0-9]", GROUP="floppy"
# cdrom
+SUBSYSTEM=="block", KERNEL=="sr[0-9]*", GROUP="cdrom"
SUBSYSTEM=="scsi_generic", SUBSYSTEMS=="scsi", ATTRS{type}=="4|5", GROUP="cdrom"
KERNEL=="pktcdvd[0-9]*", GROUP="cdrom"
KERNEL=="pktcdvd", GROUP="cdrom"
KERNEL=="mmtimer", MODE="0644"
KERNEL=="rflash[0-9]*", MODE="0400"
KERNEL=="rrom[0-9]*", MODE="0400"
+
+SUBSYSTEM=="firmware", ACTION=="add", IMPORT{builtin}="firmware"