jumper block pin

So I got a old PATA Seagate 80 GB HD that were getting a enternal Hard drive enclosure for off ebay. http://www.seagate.com/ww/v/index.jsp?vgnextoid=66cc26a2c88ef010VgnVCM100000f5ee0a0aRCRD&locale=en-US&reqPage=Legacy Anyway it was installed in a Dell desktop, I plan to hook it up to a computer...