A:Using WD Advanced Format HDD's in combination with Windows^® XP may require a special jumper setting on WD Hard disk or the use of a software tool.

Please set the HDD jumper to 7-8 as shown below:


You can also refer WD FAQ via this link for more details:
http://wdc-de.custhelp.com/cgi-bin/wdc_de.cfg/php/enduser/std_adp.php?p_faqid=5324&p_created=#jumper