There is an utility on WD’s site for changing these values. However, I do not believe it is compatible with this particular hard drive model. Maybe you should try contacting WD’s Technical Support about this. You can do so either by phone or email.
To Contact WD for Technical Support
http://support.wdc.com/contact/index.asp?lang=en
Support by Country
http://support.wdc.com/country/index.asp
Regards,
