because you need to disable it in windows first then the drive. for info on how to do it in win 7 and vista here http://www.howtogeek.com/howto/windows-vista/disable-power-management-on-windows-vista/
set Resident, Startup in Function menu, and Advanced Feature > Auto AAM/APM. crystaldisk needs to run at startup to disable APM and run again after hibernate/sleep to keep it disabled.
or you can try Quiet HDD https://sites.google.com/site/quiethdd/