KERNEL=="fd[0-9]", GROUP="floppy"
KERNEL=="fd[0-9]", ACTION=="add", ATTRS{cmos}=="?*", RUN+="create_floppy_devices -c -t $attr{cmos} -m %M -M 0640 -G floppy $root/%k"
KERNEL=="sch[0-9]*", GROUP="disk"
-KERNEL=="sg[0-9]*", GROUP="disk", MODE="0640"
+KERNEL=="sg[0-9]*", ATTRS{type}!="3|6", GROUP="disk", MODE="0640"
KERNEL=="ht[0-9]*|nht[0-9]*", GROUP="disk"
KERNEL=="pg[0-9]*", GROUP="disk"
KERNEL=="pt[0-9]*|npt[0-9]*", GROUP="disk"