Wants to get more explanations.

different motherboards and hard drives use different settings for each application unless U work on identical machines with identical parts. MAXTOR,SEAGATE ( old er 1's ) QUANTUM,CAVALIER,IBM deskstar, etc use different jumper settings depending on the application.. EXAMPLE older maxtor hard drtives set JUMPER 50 to run as a master with no slave present jumper 50 is the jumper closest to the ide cable ..

System administrator eh ?? allrighty then ..