To remove clicking configuration of hdparm in Asus 1215t debian system

1. edit /etc/hdparm.conf

...

/dev/sda
{
   apm = 255
   spindown_time = 0
       dma = on
}
...


2. edit /etc/apm/event.d/20hdparm

...
APMD_DRIVES=sda
...

power_performance ()
{
    # Disable IDE hard disk spindown.
    for DRIVE in $APMD_DRIVES; do
      "${HDPARM}" -q -S 0 -B 254 "${DRIVE}" || true
    done
}
...

3. edit /etc/acpi/fglrx-powermode.sh

...
for dev in /dev/sd? /dev/hd? ; do
   if [ -b $dev] ; then

      # Check for APM support; discard errors since not all drives
      # support HDIO_GET_IDENTITY (-i).
      if /sbin/hdparm -i $dev 2> /dev/null | grep -q 'AdvancedPM=yes' ; then
        if [ -f /sys/class/power_supply/AC0/online ] && [ grep -q '1' /sys/class/power_supply/AC0/online ]; then
          /sbin/hdparm -B 254 $dev
        else
          /sbin/hdparm -B 128 $dev
        fi
      fi
   fi
done
...