File 56-idedma.rules of Package hdparm
# start idedma script for each added IDE device KERNEL=="hd*[!0-9]", ACTION=="add", RUN+="/lib/udev/idedma.sh /dev/%k" KERNEL=="sd*[!0-9]", ACTION=="add", RUN+="/lib/udev/idedma.sh /dev/%k"
# start idedma script for each added IDE device KERNEL=="hd*[!0-9]", ACTION=="add", RUN+="/lib/udev/idedma.sh /dev/%k" KERNEL=="sd*[!0-9]", ACTION=="add", RUN+="/lib/udev/idedma.sh /dev/%k"