Quoting Richard Neill <rn214@hermes.cam.ac.uk>: > Dear All, > > My TP seems to access the HDD about once ever 5 seconds, even when it > should be "idle". It makes a quiet tick, and the HDD light flickers. > It's annoying if I leave the machine on while I'm asleep, and it also > prevents the HDD from ever spinning down to save power. > Look at powertop. HTH, Jeffrey