re western digital hd info needed holly ks cs sd ae maccs mcmaster ca wrote my western digital also has three sets of pins on the back i am using it with another hard drive as well and the settings for the jumpers were written right on the circuit board of the wd drive ma sl the jumper is used if the other drive a conner cp xxx no jumper set drive is alone ma drive is master sl drive is slave michael michael jester gun de michael gerhards preussenstrasse germany neuss voice
